CN106400308A - A self-fragrant natural antibacterial and deodorant nonwoven fabric and its application - Google Patents

Abstract

The present invention relates to a self-aromatic natural antibacterial deodorizing nonwoven fabric, comprising a bicomponent fiber, wherein the self-aromatic natural antibacterial deodorizing nonwoven fabric comprises a bicomponent fiber, a self-aromatic fiber, and a natural antibacterial deodorizing fiber, and after the bicomponent fiber, the self-aromatic fiber, and the natural antibacterial deodorizing fiber are measured and combed, the bicomponent fiber, the self-aromatic fiber, and the natural antibacterial deodorizing fiber are randomly arranged in the longitudinal and transverse directions, crisscrossed, entangled, and embraced to form a mixed fiber net, and then the mixed fiber net is heat-set and composited. The present invention has no irritation to human skin, can inhibit the invasion and breeding of bacteria, has a high ammonia absorption rate, and has outstanding antibacterial, mildew-proof and deodorizing effects; has the characteristics of uniform fragrance release and long fragrance retention time, and has high product added value.

Description

A self-fragrant natural antibacterial and deodorant nonwoven fabric and its application

technical field

The invention relates to the field of textile weaving, in particular to a self-fragrant natural antibacterial and deodorant nonwoven fabric and its application.

Background technique

With the improvement of people's living standards, people are more and more concerned about the health of themselves and their families in addition to the added value of products such as packaging, smell, color, and shape. Therefore, it is necessary to provide a natural antibacterial fiber with fragrance and its products. Different fragrances will have different feelings on the human body and have the characteristics of physical therapy, insect repellent and antibacterial. For example, natural cypress Because it is effective in assisting human sleep and expelling mites, eucalyptus essential oil has a relieving effect on human respiratory tract infection, and also has bactericidal and antibacterial effects. Jasmine essential oil has exciting and warming functions on the human body. Therefore, not only can the fiber product have fragrance, but also make the fiber product have antibacterial properties, inhibit the growth of bacteria on the surface of the fiber product, and keep the surface of the fiber product itself clean.

In fact, aromatic fiber is a new type of fiber developed in the 1980s and rapidly developed in the mid-1990s. Since 1987, Japan's synthetic fiber manufacturers have successively developed a variety of functional new fiber varieties on the basis of producing synthetic fibers. Among them, the aromatic fabrics developed in the early stage are mainly carried out by post-finishing methods, such as CN102618960A adopted in In the post-processing process of the fiber after spinning, the essence is contained in the polymer film to form aromatic microcapsules, which are sprayed onto the surface of the fiber and then heat-set to obtain it. However, when the aromatic chemical fiber obtained by this method is made into a fabric , Poor uniformity, not washable, poor washability, fragrance retention time of aromatic fabrics is short, and the fragrance effect is not satisfactory. Generally, after washing 10-20 times, its fragrance will be lost.

It can be seen that the aromatic fiber should have two important characteristics. The aromatic essential oil has a certain volatility. How to reduce the loss during the preparation process and disperse it evenly in the masterbatch is a difficult point in this field. On the one hand, the volatile oily essence is relatively stable and firmly loaded on the fiber, and after fiber processing such as carding, heating or washing, it has a palpable fragrance, and on the other hand, it does not completely affect the physical and mechanical properties and use of the fiber itself. performance. For this reason, as a kind of fiber that can emit fragrance, a lot of researches have been carried out at home and abroad. There are many patent literature reports on aromatic fiber, which are shown in:

On the one hand, melt spinning is a relatively simple method for forming chemical fibers. The aromatic microcapsule technology is applied to the melt spinning process of aromatic fibers to form slow-release aromatic fibers. Microcapsule technology is a technology that uses film-forming materials to wrap solid, liquid or gaseous substances in capsules to form a tiny container with a diameter of several microns to millimeters. Microcapsules can protect the substances in the capsule from environmental conditions and shield taste. , color and odor, can reduce toxicity, change the nature or performance of substances, prolong the storage time of volatile substances, release them into the outside world continuously, and isolate different mixed compounds. At present, microcapsule technology is widely used in Biomedicine, food, coatings, inks, textiles, cosmetics, agriculture and animal husbandry and other fields. Therefore, aromatic fibers are effectively tried on the basis of melt spinning to carry out fragrance persistence and form a lot of prior art. For example: the patent with publication number CN105002584A discloses a kind of aromatic polypropylene fiber and its preparation method, which is made of PP chips and aromatic polypropylene masterbatch through melt blending and extrusion; patent CN101294315 discloses a aromatic polypropylene fiber Infrared flat fiber, adding 3.5-12% of far-infrared powder with a particle size of less than 1 micron to polyester melt and spinning together with 2-6% of nano-scented microcapsules to obtain fibers with both infrared and fragrance; patent CN1594684 A method for producing aromatic fibers by blending method is disclosed, and aromatic fibers are obtained by blending and spinning polypropylene aromatic masterbatch and polyester; to prepare aromatic fibers with uniformity, long-lasting stability, and stable physical performance indicators, aromatic masterbatches are used for co-processing Blended yarn is the main method. Therefore, only by preparing aromatic masterbatches with good performance can good results be obtained in the production of aromatic fibers.

On the other hand, abroad, U.S. Patent US4713291 has introduced a kind of sheath-core layer bicomponent aromatic fiber, and Japanese Patent JP61063716 has introduced a kind of sheath-core layer fiber with lasting aromaticity. At home, Chinese invention patent CN85108805 has introduced the aromatic sheath-core composite fiber that is applicable to bedding. Patent CN1032874 discloses flavored synthetic fibers and a manufacturing method thereof, using microcapsule technology to load fragrance into the fibers. Patent CN102586943A discloses a long-acting slow-release sheath-core aromatic filament. The aromatic substance is confined in the core layer by the sheath-core composite method to achieve the purpose of slow release, so that the fiber maintains fragrance for a long time.

In addition, in recent years, domestic research on the antibacterial properties of fiber products or nonwovens has gradually increased. It is mainly obtained by adding a small amount of antibacterial agents to the finishing liquid of ordinary fibers or nonwovens. Antibacterial agents are a class that can kill Or functional materials that inhibit harmful microorganisms such as bacteria and viruses. After searching the literature, the antibacterial agents currently used in ordinary fibers or nonwovens are mainly divided into three series according to their structure: inorganic antibacterial agents, organic antibacterial agents and natural antibacterial agents. in:

1) Organic antibacterial agents include quaternary ammonium salts, imidazoles, pyridines, organometallics, etc. Although the sterilization speed is fast and the antibacterial effect is remarkable, they are prone to drug resistance, poor thermal stability, short antibacterial persistence, and high toxicity And other deficiencies, thereby bringing new health risks to fiber and its products.

2) Compared with organic antibacterial agents, inorganic antibacterial agents have the characteristics of good safety performance, high thermal decomposition temperature, good stability, strong antibacterial ability and long-lasting antibacterial, and are currently the most widely studied.

Inorganic antibacterial agents are generally composed of antibacterial components and carriers. Metal ions with antibacterial activity include silver, chromium, cobalt, nickel, copper, zinc, and iron ions. Considering both safety and antibacterial properties, silver ions are the best. However, silver ion antibacterial agents directly use silver ions as antibacterial agents, which have the following defects: first, silver ions are easily reduced to simple substances and become black, which affects the application of silver ion antibacterial agents in light-colored products, and has poor discoloration resistance. Secondly, silver oxide precipitation is easily formed in an alkaline environment, and the slow-release performance is poor, which affects the antibacterial persistence. Thirdly, when silver ions meet with chloride ion objects or environments, it is easy to generate silver chloride precipitation and lose activity, and the salt resistance is poor. Finally, the silver loading is low, the process is complicated, and a wide variety of additives are required.

It can be seen that the silver ion antibacterial agent mainly fixes the metal or metal ion with antibacterial ability on the surface of a certain carrier such as zeolite, activated carbon, phosphate, silicate, soluble glass, etc. by physical adsorption or ion exchange. Substances made on carriers such as porous metals. For example, the patent of invention with the publication number CN102599164B provides a preparation method of a nano-layered silver-amino acid complex antibacterial agent. First, silver salt, amino acid, and water are mixed in a molar ratio of 1:1:2.7, and stirred at room temperature for 30 minutes. Stir in a water bath at 50°C for 15 minutes at a stirring speed of 8000r/min to obtain a solution, then add montmorillonite in a water bath at 50°C at a stirring speed of 8000r/min, stir and filter to obtain a feed liquid, then perform solid-liquid separation and juxtapose Dry at room temperature to obtain milky white fluffy antibacterial agent powder, which has better anti-discoloration performance and improves the slow-release performance and salt tolerance of the antibacterial agent.

However, although inorganic antibacterial agents based on metal ions such as silver and zinc have the advantages of high antibacterial efficiency and strong heat resistance, they are expensive and lack environmental protection. At the same time, long-term use and touch contain metal ions such as silver and zinc. The products can cause negative effects on the human liver; these defects limit the application of silver ion antibacterial agents in products. Based on the aforementioned reasons, natural antibacterial agents have emerged in response to the situation. Compared with the aforementioned antibacterial agents, natural antibacterial agents are extracted from plants, animals or organisms. They have a wide range of sources, low cost, safety, non-toxicity, high antibacterial efficiency, and heat resistance Good drug resistance, not easy to produce drug resistance, has the advantages of environmental friendliness, so its application and research are more and more people's attention. For example, the invention patent with the notification number CN103800928B discloses an antibacterial deodorant, which is mainly an antibacterial and deodorant product whose main active ingredients are alkaloids derived from the plant Rhodophyllum vine and elederine analogues, including Weak acid regulator, dipotassium hydrogen phosphate, solubilizer, metal chelate salt, cyclodextrin, active ingredient, flavor, can eliminate the peculiar smell in cloth products, and at the same time effectively remove bacteria and viruses in or attached to cloth products, And safe and effective, fundamentally remove the odor caused by bacteria.

In summary, in the core layer of the sheath-core fiber, the present invention melt-spins different types of aromatic microcapsules, natural antibacterial compositions and core polymers such as polypropylene and polyester blends in the spinning process. Silk, which can be directly made into polypropylene, polyester filament or short fiber with aromatic function. Compared with the textiles woven by traditional finishing methods, the fiber products produced by this method are more durable in fragrance, and at the same time, the product has softness, It is delicate and comfortable, and has natural antibacterial active ingredients, which can eliminate peculiar smell in cloth products, and effectively remove bacteria and viruses in or attached to cloth products. It is safe and effective, and fundamentally removes the odor caused by bacteria. taste.

Contents of the invention

The object of the present invention is to provide a kind of self-fragrance natural antibacterial and deodorant nonwoven fabric. In order to achieve the above object, the technical scheme adopted by the self-fragrant natural antibacterial and deodorant nonwoven fabric is as follows:

1) The self-fragrant natural antibacterial and deodorant nonwoven fabric includes two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers, and the two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers are measured, After carding, the two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers are randomly arranged in the longitudinal and transverse directions, criss-crossed, entangled, and entangled to form a mixed fiber web, and then the mixed fiber web is heated. Shaped and compounded, the mass proportion of the two-component fiber, self-aromatic fiber, and natural antibacterial and deodorant fiber is: bi-component fiber 0-50%; self-aromatic fiber 25%-50%; natural antibacterial and deodorant fiber 25%-50%.

2) The self-aromatic fiber includes a core layer and a skin layer, the core layer is a high-melting point polymer, the skin layer is a low-melting point polymer, and the high-melting point polymer body in the self-aromatic fiber core layer contains Fragrance slow-release body, the components and parts of the self-aromatic fiber are: 100 parts of high-melting point polymer, 10-30 parts of low-melting point polymer, 5-30 parts of fragrance slow-release body, 0-5 parts of nano-titanium dioxide, 0.5-10 parts of dispersant, 0.5-7 parts of plasticizer, 0.5-3 parts of coupling agent.

3) The natural antibacterial deodorant fiber includes a core layer and a skin layer, the core layer is a high melting point polymer, the skin layer is a low melting point polymer, and the high melting point polymer in the natural antibacterial deodorant fiber core layer The body contains a natural antibacterial composition, in parts by weight, the components and parts of the natural antibacterial deodorant fiber are: 100 parts of high melting point polymer; 10-30 parts of low melting point polymer 2-25 parts of natural antibacterial composition; 0-5 parts of nano titanium dioxide; 0.5-10 parts of dispersant; 0.5-7 parts of plasticizer; 0.5-3 parts of coupling agent. Among them, nano-titanium dioxide, whose molecular formula is TiO ₂ , is safe and non-toxic, has certain hydrophilicity and hygroscopicity, and the polarity of the Ti-O bond in TiO ₂ is relatively large, and the water adsorbed on the surface dissociates due to polarization , easy to form hydroxyl groups, which not only has self-cleaning effect, but also has certain bactericidal properties, which can promote the bactericidal properties of self-aromatic antibacterial fibers and keep fibers clean when applied in the present invention.

As a further preferred option, the technical solution also includes: melting and extruding the high-melting point polymer, low-melting point polymer, aromatic slow-release body, nano-titanium dioxide, natural antibacterial composition and processing aid through a screw extruder, and passing through the skin The self-aromatic natural antibacterial and deodorant fiber of the composite sheath-core structure of the core-type composite spinning plate, the core layer is a high-melting point polymer, the skin layer is a low-melting point polymer, and the processing aid is as described above Dispersants, plasticizers and coupling agents. Self-fragrant natural antibacterial and deodorant nonwoven fabric is compounded by the self-fragrant natural antibacterial and deodorant fiber and two-component fiber after metering, carding, laying and heat setting. The two-component fiber, self-fragrant natural antibacterial and deodorant The mass proportion of fiber is: 10%-50% of bi-component fiber; 50%-90% of self-aromatic natural antibacterial and deodorant fiber.

As a further preferred version, the natural antibacterial composition is calculated in parts by weight, and its components and parts are as follows: 2-8 parts of chitosan, 10-15 parts of aloe oil, 3-8 parts of chitin, catechin 5-10 parts of prime, 10-40 parts of tea polyphenols, 5-25 parts of tea seed oil, 0.1-2 parts of tea saponin, 5-15 parts of grape seed extract, 5-25 parts of citric acid, amino acid chelate 5-25 parts, amino acid derivatives 0-10 parts. As a further preferred option, the natural antibacterial composition can be made into natural antibacterial microcapsules covering the core-shell structure according to the preparation process of aromatic microcapsules in the present invention, and the particle diameter of the natural antibacterial microcapsules is below 3 μm, which The capsule core is a natural antibacterial composition, and the capsule wall material and its auxiliary agents and coating process steps are carried out according to the preparation process of the aromatic microcapsules of the present invention, so as to improve the slow-release and long-acting properties of the natural antibacterial composition.

As a further preferred solution, the aroma sustained-release body is an aroma microcapsule with a core-shell structure, comprising a capsule core and a capsule wall, the capsule wall is a polymer, and the capsule core is an aromatic essential oil or an aromatic essential oil combined with The composition of the hydrated aluminum silicate, in parts by weight, its components and parts are as follows: capsule core 20-70%, capsule wall 30-80%, emulsifier 1-6%, the particle size of the aromatic microcapsule The diameter is below 3 μm.

As a further preferred solution, the capsule wall polymer is one or more of polyurethane resin, gelatin, cyclodextrin, low melting point polyamide, epoxy resin, urea-formaldehyde resin, gum arabic; the essence of the aromatic essential oil Types include grass scent, rose scent, forest bath scent, jasmine scent, lavender scent, fruit scent, lemon scent and osmanthus scent. 160-300°C. As a further preferred solution, the capsule core is a composition of aromatic essential oil and hydrated aluminum silicate, that is, the hydrated aluminum silicate is used as the carrier of the aromatic essential oil, so that the aromatic essential oil is absorbed by the hydrated aluminum silicate microspheres and then stored. Inside, to achieve the effect of lasting fragrance, the mass ratio of the aromatic essential oil and the hydrated aluminum silicate is 30-45%: 55-70%, and the preparation process includes firstly loading the aromatic essential oil in the hydrated aluminum silicate microspheres , after the coupling treatment on the surface of the hydrated aluminum silicate microspheres, the microencapsulation treatment is carried out to obtain the aromatic essential oil microcapsules.

As a further preferred solution, the high melting point polymer is polyethylene terephthalate, polybutylene terephthalate or polypropylene, polylactic acid; the low melting point polymer is polyethylene. As a further preferred solution, the high melting point polymer is polylactic acid; the low melting point polymer is polyethylene; the melt index (M.I.) of the high melting point polymer is 6-24g/10min, and the low melting point The melt index (M.I.) of the polymer is 7-20 g/10 min.

As a further preferred solution, the dispersant is one or more of low molecular weight polyethylene wax, random polypropylene, magnesium stearate, calcium stearate, pentaerythritol stearate, and fatty acid.

As a further preferred version, the plasticizer is dioctyl phthalate or dibutyl phthalate; the coupling agent is silane, titanate, aluminate, aluminum-titanium composite coupling agent one of them.

As a further preferred version, the emulsifier is sodium dodecylbenzenesulfonate, fatty acid monoglyceride, soybean lecithin, lauric monoglyceride, propylene glycol fatty acid ester, polyoxyethylene sorbitan fatty acid ester, One or more of Span-80. As a further preferred embodiment, the emulsifier is preferably Span-80 or sodium dodecylbenzenesulfonate.

As a further preferred solution, the amino acid chelate is a zinc amino acid chelate, the zinc amino acid chelate is formed by covalently bonding the amino acid and zinc ions through a chelation process, and the amino acid is natural One or more of aspartic acid, threonine, serine, glutamic acid, glycine, amino acid, phenylalanine, lysine, arginine, histidine, and methionine. As a further preferred embodiment, the zinc amino acid chelate is preferably zinc glycinate, zinc threonine, zinc lysine and zinc methionine.

As a further preferred solution, the amino acid derivative is an amino acid ester, and the amino acid ester is, and the amino acid ester includes lysine lauryl ester, cellulose glutamic acid ester, and cellulose aspartic acid ester.

As a further preferred solution, the self-aromatic fiber includes self-aromatic filaments and self-aromatic staple fibers; the natural antibacterial and deodorant fibers include natural antibacterial and deodorant filaments and natural antibacterial and deodorant short fibers; the self-aromatic filaments 1. The fineness of natural antibacterial and deodorant filaments is 0.8-3.0D, the length of the self-aromatic short fiber and natural antibacterial and deodorant short fibers is 35-130mm, the crimp is 12-40%, and the tensile strength is 2.2- 3.1 cN/dtex.

As a further preferred solution, the self-fragrance natural antibacterial and deodorant nonwoven fabric has a breaking strength of 10-24N and a square gram weight of 8-35g/m ² .

As a further preferred solution, air-permeable pores are arranged on the self-fragrant natural antibacterial and deodorant nonwoven fabric, and the pores vertically run through the surface layer and the lower surface layer of the self-fragrant natural antibacterial and deodorant nonwoven fabric. Including cones, inverted cones, circles, stars, triangles, quadrilaterals, and polygons. In terms of arrangement, the arrangement of air-permeable pores on the nonwoven fabric is a regular and symmetrical arrangement, such as the longitudinal direction or the transverse direction of the nonwoven fabric. Parallel parallel arrangement, X-shaped arrangement or concentric circle arrangement, and irregular asymmetric arrangement, meanwhile, the number of air-permeable pores per unit area is 100,000-5,000,000 pores/m ² .

As a further preferred solution, the self-fragrant natural antibacterial and deodorant nonwoven fabric of the present invention has a three-layer composite structure, and the upper layer of the self-fragrant natural antibacterial and deodorant nonwoven fabric and the middle layer of nano-ultrafine fibers are arranged sequentially from top to bottom. Layer, self-fragrance natural antibacterial deodorant nonwoven fabric lower layer. The square gram weight of the nanometer superfine fiber intermediate layer is 1-4g/m ² , and the nanometer superfine fiber is made of polyethylene terephthalate, polybutylene terephthalate, polypropylene, polypropylene Electrostatic filaments produced from lactic acid, polyamide or polyurethane by electrospinning equipment.

As a further preferred solution, a hydrophilic coating is provided on the surface layer of the aromatic natural antibacterial and deodorant nonwoven fabric.

As mentioned above, the application technical scheme of a self-fragrant natural antibacterial and deodorant nonwoven fabric is: the application of the self-fragrant natural antibacterial and deodorant nonwoven fabric in disposable hygiene products and medical hygiene products.

Beneficial effects realized by the present invention: the present invention adopts natural antibacterial deodorant fiber, self-aromatic fiber, natural antibacterial deodorant fiber, self-aromatic fiber and self-fragrance slow-release body, natural antibacterial and deodorant composition set in skin-core structure In the core layer, therefore, the present invention has the following effects:

1) The fiber is non-irritating to human skin, has permanent antibacterial properties, can inhibit the invasion and growth of bacteria, has a high absorption rate of ammonia, and has outstanding antibacterial, anti-mildew and deodorizing effects.

2) The self-fragrance slow-release body adopts microcapsules, and the aromatic essential oil is wrapped in the core layer, which is beneficial to protect the aromatic essential oil from being decomposed by high temperature. The fragrance is long-lasting and stable, and can meet the different needs of post-weaving finishing processing .

3) Fragrance is slowly released through the cross-section at both ends of the fiber or the gap between the molecular chains of the cortex material to achieve a long-lasting fragrance release effect. It has the characteristics of uniform fragrance release and long fragrance retention time. At the same time, the fragrance type can be adjusted according to needs.

4) It guarantees the washing resistance, antibacterial and deodorizing effect and long-term aroma and fragrance, high added value of the product, and broad application market prospect.

detailed description

In order to further understand the present invention, the terms of the present invention are now further described.

The term "aromatic essential oil": aromatic essential oil is a kind of plant essential oil that can emit aromatic odor. It is a mixture of various chemical substances. Oxygenated derivatives such as alcohols, aldehydes, ketones, acids, esters, lactones, ethers and terpenes. Essential oils are mostly transparent liquids or pastes that are easy to flow, and are colorless and light yellow. As far as the physical properties of essential oils are concerned, most essential oils are insoluble or slightly soluble in water, and are prepared from the fragrant parts of aromatic plants. The obtained essential oils generally have a certain volatility at room temperature.

Plant essential oils have a certain inhibitory effect on bacteria or mold, such as terpenoid monoiodide acetate has strong antifungal activity, rosemary has strong broad-spectrum antibacterial properties, clove essential oil has excellent bactericidal and Bacteriostatic effect.

In addition, tea seed oil can inhibit the respiration of bacteria, increase the permeability of the cytoplasm of the bacteria, and cause them to die by autolysis.

The term "microcapsule": Microcapsule technology is one of the high-tech emerging technologies that have been developed in the industrial field in the 21st century. Microcapsule technology can effectively overcome the problems of high volatility and short action time of essential oils, prolong the storage time of volatile substances, improve Material stability, specifically, microcapsule technology refers to completely covering a target object with various natural, semi-synthetic or synthetic polymer films (capsule walls) to form microcapsules, and the capsule core material is wrapped by the capsule wall. The covering is isolated from the external environment to reduce the impact of changes in external conditions, but under appropriate conditions, when the capsule wall is damaged, the capsule core material is released, that is, the core material is protected by the shielding effect of the capsule wall. The methods of microencapsulation are divided into chemical method, physical chemical method and physical method. For example, chemical method includes interfacial polymerization method, emulsification method, in-situ polymerization method, supercritical fluid technology, etc., and physical method includes spray drying method, electrostatic deposition method, etc. , the spray drying method in the preferred physical method of the present invention.

Regarding grape seed extract, grape seed extract is a new type of high-efficiency natural antioxidant polyphenols, rich in bioflavonoids and proanthocyanidins, and has significant anti-inflammatory, anti-allergic and antioxidant effects.

In specific implementation, self-aromatic fibers and natural antibacterial and deodorant fibers can be spun or processed with high-melting point polymers, low-melting point polymers, self-fragrance masterbatches or natural antibacterial and deodorant masterbatches and processing aids. The material carrier is selected from one or more of polyurethane resin, LDPE, LLDPE, ethylene-vinyl acetate copolymer, and random polypropylene, preferably ethylene-vinyl acetate copolymer, LDPE or random polypropylene. Ethylene-vinyl acetate copolymer has a linear branched chain structure and has greater flexibility, but the melt index is constant. When the content of vinyl acetate increases, its elasticity, softness, and compatibility increase, and it is closer to rubber properties; in addition, The melting point of ethylene-vinyl acetate copolymer is about 100℃, and the processing temperature is low, which is conducive to the application of aromatic microcapsules. At the same time, ethylene-vinyl acetate copolymer, as a polar plastic, has certain compatibility with many types of polymers. It is more suitable as a masterbatch carrier.

The self-fragrance natural antibacterial and deodorant nonwoven fabric of the present invention comprises two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers, and is measured and carded from the two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers. Finally, the two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers are randomly arranged in the longitudinal and transverse directions, criss-crossed, entangled, and entangled to form a mixed fiber web, and then the mixed fiber web is heat-set Composite, the mass proportion of the two-component fiber, self-aromatic fiber, and natural antibacterial and deodorant fiber is: bi-component fiber 0-50%; self-aromatic fiber 25%-50%; natural antibacterial and deodorant fiber 25% %-50%.

Example 1

In this example, the preparation of self-fragrance fiber includes the preparation of fragrance slow-release body, the preparation of self-fragrance masterbatch and the preparation of self-fragrance fiber. The specific preparation process and steps are as follows:

1) Preparation of aromatic slow-release body: In this process, the fragrance slow-release body adopts spray-drying microcapsule technology, the polymer of the capsule wall is gum arabic, and the fragrance type of the aromatic essential oil in the capsule core is selected from jasmine essential oil, calculated according to the mass ratio , Gum Arabic: jasmine essential oil is 40%:60%, and emulsifier selects Span-80, and its mass ratio is 1% of jasmine essential oil amount, and its preparation process comprises the following steps:

Step 1: Weigh 40 parts of gum arabic and dissolve it in deionized water to form a solution with a concentration of 15% to form a water phase, and place the water phase liquid on a water bath to preheat 50-60°C.

Step 2: Weigh 60 parts of jasmine essential oil, add emulsifier Span-80 into the essential oil, stir to dissolve and form an oil phase.

Step 3: Under the high-speed stirring of a high-shear dispersing emulsifier at 8000-10000 r/min, add the oil phase to the water phase and stir for 15 minutes to form a uniform emulsion.

Step 4: Use a spray dryer to spray the emulsion into the hot air in the form of droplets. After the water evaporates, the capsule wall polymer coats the capsule core with aromatic essential oil to form jasmine fragrance microcapsules.

2) Preparation of self-fragrance masterbatch: use ethylene-vinyl acetate copolymer as the polymer carrier of the masterbatch, and pre-dry the ethylene-vinyl acetate copolymer to a moisture content of <0.1% for later use. At the same time, in this process The coupling agent plasticizer is a titanate coupling agent, the dispersant is low molecular weight polyethylene wax, and the plasticizer is dioctyl phthalate. The specific preparation process and steps are as follows:

Step 1: Weigh 5 parts of ethylene-vinyl acetate copolymer, and add 0.5 parts of nano-titanium dioxide into a high-speed kneader for high-speed mixing for 3 minutes.

Step 2: Add 5 parts of jasmine fragrance microcapsules, 0.5 parts of titanate coupling agent, 0.5 parts of low molecular weight polyethylene wax, and 0.5 parts of dioctyl phthalate into a high-speed kneader and continue mixing at high speed 5min.

Step 3: Using a parallel twin-screw extruder, set the extrusion temperature at 130-145°C, melt blending, extrusion, cooling and granulation to prepare the self-fragrance masterbatch.

3) Preparation of self-aromatic fiber: In this process, polyethylene is selected as the skin layer of self-aromatic fiber for low-melting point polymer, and polypropylene is used as core layer of self-aromatic fiber for high-melting point polymer. The specific preparation process and steps are as follows:

Step 1: Take 20 parts of polyethylene, and set its spinning temperature to 190-220°C.

Step 2: Mix 100 parts of polypropylene and 5 parts of self-fragrance masterbatch in a high-speed mixer.

Step 3: After step (2) is mixed evenly, set the spinning temperature to 230°C, the winding speed of spinning to 950-120m/min, the cooling air temperature to 16-20°C, and the wind speed to 4-6m/s. The mixture is blended into a composite spinning box through a twin-screw extruder, and polyethylene and polypropylene are respectively composited through a skin-core composite spinneret to form fibers with a skin-core structure. Among them, the blending of polypropylene and aromatic slow-release bodies Polyethylene becomes the core layer of aromatic fibers, and polyethylene becomes the skin layer of aromatic fibers.

In this example, the prepared self-aromatic fiber has a sheath-core structure, including a core layer and a skin layer. The core layer is a high-melting point polymer polypropylene, and the skin layer is a low-melting point polymer polyethylene. The polypropylene body of the core layer contains jasmine fragrance microcapsules for sustained release of fragrance.

The self-aromatic fibers obtained in this example include self-aromatic filaments and self-aromatic short fibers. Wherein, the fineness of the self-aromatic filament is 0.8-1.1D, the length of the self-aromatic short fiber is 45-85mm, the crimp is 16-24%, and the tensile strength is 2.2-2.5cN/dtex.

Example 2

In the present embodiment, the specific preparation process and steps of natural antibacterial deodorant fiber are as follows:

1) Preparation of natural antibacterial and deodorant composition: In this process, each component is calculated in parts by weight, and its proportioning ratio is as follows: 8 parts of chitosan, 15 parts of aloe vera oil, 8 parts of chitin, catechin 10 parts, 40 parts of tea polyphenols, 25 parts of tea seed oil, 2 parts of tea saponin, 15 parts of grape seed extract, 25 parts of citric acid, 25 parts of amino acid chelate, 3 parts of amino acid derivatives, of which, amino acid chelate The compound is composed of zinc glycine, zinc threonine, zinc lysine and zinc methionine in a mass ratio of 1:1:1:1, and the amino acid derivative is composed of lysine lauryl ester, glutamic acid fiber Vegetarian ester and cellulose aspartic acid ester are configured according to the ratio of 0.1:0.45:0.45 by mass. Concrete preparation process comprises the following steps:

Step 1: Dissolve citric acid in 100 parts of deionized water and stir to obtain solution A.

Step 2: Dissolving catechins, tea polyphenols and grape seed extract in solution A respectively and stirring evenly to form solution B.

Step 3: After heating solution B to 50-60°C, add 10 parts of sodium stearate into solution B and stir evenly, then add tea saponin, chitosan, aloe oil, chitin, tea seed oil, Amino acid chelate, amino acid derivatives and stir to mix evenly.

Step 4: Finally, use a spray dryer to dry, crush and grind to form a natural antibacterial and deodorant composition powder.

2) Preparation of natural antibacterial and deodorant masterbatch: random polypropylene is used as the polymer carrier of the masterbatch, and the random polypropylene powder is pre-dried to a moisture content of <0.1% for later use. At the same time, in this process, the coupling agent The plasticizer adopts aluminate coupling agent, the dispersant adopts low molecular weight polyethylene wax, and the plasticizer adopts dioctyl phthalate. The specific preparation process and steps are as follows:

Step 1: Weigh 5 parts of atactic polypropylene and 2 parts of nano-titanium dioxide into a high-speed kneader for high-speed mixing for 3 minutes.

Step 2: Add 10 parts of natural antibacterial composition, 0.5 part of titanate coupling agent, 0.5 part of low molecular weight polyethylene wax, and 2 parts of dioctyl phthalate into the high-speed kneader and continue mixing at high speed 5min.

Step 3: Using a parallel twin-screw extruder, set the extrusion temperature to 200° C., perform melt blending, extrusion, cooling and granulation to prepare the natural antibacterial and deodorant masterbatch.

3) Preparation of natural antibacterial and deodorant fibers: In this process, low-melting point polymers use polyethylene as the skin layer of natural antibacterial and deodorant fibers, and high-melting point polymers use polypropylene as the core layer of natural antibacterial and deodorant fibers. The process and steps are as follows:

Step 1: Take 20 parts of polyethylene, and set its spinning temperature to 190-220°C.

Step 2: Mix 100 parts of polypropylene and 5 parts of natural antibacterial and deodorant masterbatch in a high-speed mixer.

Step 3: After step (2) is mixed evenly, enter the screw extruder and blend the mixture through the twin-screw extruder into the composite spinning box, set the spinning temperature to 200°C, and the winding speed of spinning to 950- 120m/min, the cooling air temperature is 16-20°C, the wind speed is 4-6m/s, the screw length-to-diameter ratio L/D is 20-28, and the compression ratio is 3.5-3.7.

In the spinning process, polyethylene and polypropylene pass through the outer spinneret hole and inner spinneret hole of the skin-core composite spinneret respectively, and then compound in the composite hole of the composite plate to form fibers with a skin-core structure. Among them, polypropylene 1. The blend of the natural antibacterial and deodorant composition becomes the core layer of the natural antibacterial and deodorant fiber, and the polyethylene becomes the cortex of the natural antibacterial and deodorant fiber.

In this embodiment, the prepared natural antibacterial and deodorant fiber has a skin-core structure, including a core layer and a skin layer, the core layer is polypropylene and a natural antibacterial composition, and the skin layer is polyethylene.

The natural antibacterial and deodorant fibers obtained in this example include natural antibacterial and deodorant filaments and natural antibacterial and deodorant staple fibers. Wherein, the fineness of the natural antibacterial and deodorant filament is 1.1-1.5D, the length of the natural antibacterial and deodorant short fiber is 35-92mm, the crimp is 20-30%, and the tensile strength is 2.5-3.1cN /dtex.

Example 3

The self-fragrance natural antibacterial and deodorant nonwoven fabric of the present embodiment comprises two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers, wherein the self-aromatic fibers are obtained from Example 1, and the natural antibacterial and deodorant fibers are obtained from Example 2. Obtained, the two-component fiber is by the polyethylene of 20 parts, the polypropylene of 100 parts, enters composite spinning box through twin-screw extruder melt extruding, and spinning process is consistent with embodiment 1 or embodiment 2, poly Ethylene and polypropylene respectively pass through the cortex spinneret hole and core layer spinneret hole of the sheath-core composite spinneret, and then compound in the composite hole of the composite plate to form a bicomponent fiber. The preparation steps of the self-fragrant natural antibacterial and deodorant nonwoven fabric of the present embodiment are as follows:

Step 1: Accurately weigh 40% bi-component fiber, 30% self-aromatic fiber and 30% natural antibacterial and deodorant fiber.

Step 2: Carding the bi-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers to form bi-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers that are randomly arranged in the longitudinal and transverse directions, criss-crossing and winding , cohesion and spread into a mixed fiber network.

Step 3: Use hot air, hot rolling, ultrasonic bonding or infrared bonding process to heat-set and compound the mixed fiber web to form a self-aromatic and natural antibacterial and deodorant nonwoven fabric.

In this implementation, the prepared self-fragrance natural antibacterial and deodorant nonwoven fabric has a square grammage of 10-30 g/m ² and a breaking strength of 18-24N.

Example 4

The self-fragrance natural antibacterial and deodorant nonwoven fabric of this embodiment includes two-component spunbond fibers, self-fragrance spunbond fibers, natural antibacterial and deodorant spunbond fibers, and the two-component spunbond fibers, self-fragrance spunbond fibers, The natural antibacterial and deodorant spunbond fibers all have a skin-core structure, and the cortex is polyethylene, and the polymer body of the core layer is polypropylene. Viscose fiber spinneret die head, natural antibacterial deodorant spunbond fiber spinneret die head online synchronous spinneret composite process to produce self-aromatic natural antibacterial deodorant nonwoven fabric, the preparation steps are as follows:

1) Two-component spunbond fiber: 100 parts of polypropylene and 20 parts of polyethylene are melted and extruded by a screw extruder, and the skin-core composite spinneret of a two-component fiber spinneret die is used for online spinning , two-component spunbond filaments are obtained, and the two-component spunbond filaments are randomly oriented in the longitudinal and transverse directions, criss-crossed, entangled, and entangled to form a two-component spunbond filament fiber web.

2) Self-aromatic spunbond fiber: According to the preparation process of Example 1, self-aromatic spunbond filaments are prepared, and self-aromatic spunbond filaments are randomly oriented in the longitudinal and transverse directions, criss-crossed, entangled, and entangled to form Bicomponent spunbond filament web.

3) Natural antibacterial and deodorant spunbond fibers: According to the preparation process of Example 2, natural antibacterial and deodorant spunbond fibers were prepared, and the natural antibacterial and deodorant spunbond fibers were randomly oriented in the longitudinal and transverse directions, criss-crossing, winding, Coagulate and spread into two-component spunbonded filament fiber web.

The self-fragrance natural antibacterial and deodorant nonwoven fabric of this embodiment comprises a two-component spunbond layer, a self-fragrance spunbond layer and a natural antibacterial and deodorant spunbond layer. One of the composite layers of the aromatic spunbond layer and the natural antibacterial and deodorant spunbond layer is used as the middle layer of the self-fragrant natural antibacterial and deodorant nonwoven fabric, and the other two layers are used as the upper and lower layers of the self-fragrant natural antibacterial and deodorant nonwoven fabric. surface layer.

In this implementation, the square gram weight of the prepared self-fragrance natural antibacterial and deodorant nonwoven fabric is 12-28g/m ² , and the self-fragrant natural antibacterial and deodorant nonwoven fabric with a width of 50mm is cut, and its breaking strength is 10-22N .

Example 5

In this embodiment, air-permeable pores are provided on the self-fragrance natural antibacterial and deodorant nonwoven fabric obtained in Example 3 or Example 4, and the air-permeable pores vertically penetrate the surface layer and the lower surface layer of the self-fragrant natural antibacterial and deodorant nonwoven fabric, The hole pattern of the air-permeable pores includes cone, inverted cone, circle, star, triangle, quadrilateral, and polygon. The arrangement includes that the air-permeable pores on the non-woven fabric are arranged in a regular and symmetrical arrangement, such as the longitudinal direction of the non-woven fabric. Parallel arrangement, X-shape arrangement or concentric circle arrangement, and irregular asymmetric arrangement. At the same time, the number of air-permeable pores per unit area is 100,000-5,000,000 pores/m ² .

Example 6

In this embodiment, a hydrophilic coating is set on the surface of the self-fragrance natural antibacterial deodorant nonwoven fabric obtained in Example 3 or Example 4. The specific embodiment is to impregnate the aforementioned self-fragrant natural antibacterial deodorant nonwoven fabric It is obtained by spraying the surface layer of the non-woven fabric in the hydrophilic agent or directly using the hydrophilic agent, and then drying and curing. Wherein, the hydrophilic agent is preferably polyoxyethylene glycol glyceryl ether, palm cationic ester quaternary ammonium salt, stearic acid diethanol diester quaternary ammonium salt, distearyl ethyl hydroxyethyl methyl sulfate ammonium, One or more of triethanolamine stearate quaternary ammonium salt, 2,3-dihydroxypropyl diester ammonium halide, and bishydroxyethyl fatty acid ester dimethyl ammonium halide.

In this embodiment, the nonwoven fabric layer has a square grammage of 12-30 g/m ² , and a self-fragrant natural antibacterial and deodorant nonwoven fabric with a width of 50 mm has a breaking strength of 12-19N. The penetration times of the physiological saline for the first time, the second time, and the third time were 1.32 seconds, 1.48 seconds, and 1.92 seconds, respectively.

Among them, refer to the test method of the hygienic products industry on the permeability of nonwoven fabrics to physiological saline, as follows:

Step 1: Take 3-5 sheets of standard filter paper, cut the non-woven fabric into a sample of the same size as the standard filter paper, place it on the standard filter paper, put it into the LISTER permeameter after flattening, and the liquid filling port of the instrument is facing The position of the center point of the nonwoven fabric.

Step 2: Take 5ml of normal saline and inject it into the liquid storage chamber of LISTER, turn on the liquid filling switch, the liquid will seep into the nonwoven fabric, and start timing with a stopwatch at the same time, when the normal saline completely penetrates the nonwoven fabric, that is, when the liquid on the surface of the nonwoven fabric disappears , the timing is over, and the first penetration time T1 is recorded.

Step 3: Repeat step (2) after 60s, and record the second penetration time T2.

Step 4: Repeat step (2) after 60s, and record the third penetration time T:3.

Example 7

In this embodiment, the antibacterial and deodorizing properties of the self-fragrance natural antibacterial and deodorant nonwoven fabrics prepared in Example 3, Example 4, Example 5 and Example 6 are tested.

(1) Antibacterial and antifungal performance test

Test sample: the self-fragrance natural antibacterial deodorant nonwoven fabric that embodiment 3, embodiment 4, embodiment 5 make.

Antibacterial performance testing basis: JIS Z 2801:2000 "Testing and parity of antibacterial performance of antibacterial products".

Detection bacteria: Escherichia coli (Escherichia coli) ATCC 25822.

Staphylcococcus aureus ATCC 6538.

The test results are shown in Table 1:

(2) Aroma Stability Test

Test sample: the self-fragrance natural antibacterial deodorant nonwoven fabric that embodiment 3, embodiment 4, embodiment 5 make.

Fragrance stability detection method: the sample is washed 100 times and placed under natural conditions for 365 days.

Evaluation method: The fragrance is qualitatively judged by the sense of smell through a review team composed of fragrance experts.

Evaluation results: each sample has a fragrance, and the fragrance is pure, which shows that the fragrance produced from the aromatic natural antibacterial and deodorant nonwoven fabric of the invention has high stability, long-lasting fragrance, and washing resistance.

(3) Deodorization performance test

Test sample: the self-fragrance natural antibacterial deodorant nonwoven fabric that embodiment 3, embodiment 4, embodiment 5 make.

Detection method: Place the self-aromatic natural antibacterial and deodorant nonwoven fabric in a closed container with a known odor concentration C _0. The odor component is a mixed gas composed of ammonia gas and hydrogen sulfide gas. Place it in an airtight container for 30-60 minutes, then Test the odor concentration C ₁ in the airtight instrument with a detection instrument, and calculate the odor removal rate of the sample according to the following formula. The test results are shown in Table 2.

Calculation formula: odor removal rate (%)=(C ₀ - C ₁ )/C ₀ ×100%, where C ₀ is the initial concentration of odor, and C ₁ is the residual odor concentration after being absorbed by fiber products.

Example 8

The self-fragrant natural antibacterial and deodorant nonwoven fabric obtained by Example 3, Example 4, Example 5 or Example 6 is mainly used in disposable sanitary products, which include liquid-impermeable antibacterial Drain barrier, liquid permeable topsheet, acquisition layer, absorbent core wrap, and liquid impermeable backsheet. The self-fragrance natural antibacterial and deodorant nonwoven fabric of the present invention is used as the wrapping of the leakage-proof partition nonwoven fabric, the permeable surface layer nonwoven fabric, the permeable flow-guiding layer nonwoven fabric, and the permeable absorbent core of disposable sanitary products. Layered nonwoven fabrics and base film composite nonwoven fabrics that are combined with the bottom film.

In addition, the self-fragrant natural antibacterial and deodorant nonwoven fabric of the present invention is mainly used in medical and sanitary products, such as the application of medical protective clothing cloth, medical bed sheets, pillow mattress lining, and at the same time, it can also be used as deodorant for shoes. Sterilization materials, materials for wardrobes, etc.

Although the present invention has described specific implementation cases, the scope of the present invention is not limited to the above-mentioned specific embodiments. Without departing from the essence of the present invention, all modifications, changes and replacements of the present invention fall within the scope of the present invention. scope of protection.

Claims (10)

1. A self-fragrant natural antibacterial and deodorant nonwoven fabric, comprising bicomponent fibers, is characterized in that: 1) The self-fragrant natural antibacterial and deodorant nonwoven fabric includes two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers, and the two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers are measured, After carding, the two-component fibers, self-aromatic fibers, and natural antibacterial and deodorant fibers are randomly arranged in the longitudinal and transverse directions, criss-crossed, entangled, and entangled to form a mixed fiber web, and then the mixed fiber web is heated. Shaped and compounded, the mass ratio of the two-component fiber, self-aromatic fiber, and natural antibacterial and deodorant fiber is: Bi-component fiber 0-50%; Self-aromatic fiber 25%-50%; Natural antibacterial and deodorant fiber 25%-50%; 2) The self-aromatic fiber includes a core layer and a skin layer, the core layer is a high-melting point polymer, the skin layer is a low-melting point polymer, and the high-melting point polymer body in the self-aromatic fiber core layer contains Fragrance slow-release body, the components and parts of the self-aromatic fiber are: 100 parts of high-melting point polymer, 10-30 parts of low-melting point polymer, 5-30 parts of fragrance slow-release body, 0-5 parts of nano-titanium dioxide, 0.5-10 parts of dispersant, 0.5-7 parts of plasticizer, 0.5-3 parts of coupling agent; 3) The natural antibacterial deodorant fiber includes a core layer and a skin layer, the core layer is a high melting point polymer, the skin layer is a low melting point polymer, and the high melting point polymer in the natural antibacterial deodorant fiber core layer The body contains a natural antibacterial composition, in parts by weight, the components and parts of the natural antibacterial deodorant fiber are: 100 parts of high melting point polymer; 10-30 parts of low melting point polymer 2-25 parts of natural antibacterial composition; 0-5 parts of nano titanium dioxide; 0.5-10 parts of dispersant; 0.5-7 parts of plasticizer; 0.5-3 parts of coupling agent. 2. a kind of self-fragrance natural antibacterial deodorant nonwoven fabric according to claim 1, is characterized in that: described natural antibacterial composition is counted in parts by weight, and its component and portion thereof are as follows: chitosan 2- 8 parts, 10-15 parts of aloe vera oil, 3-8 parts of chitin, 5-10 parts of catechin, 10-40 parts of tea polyphenols, 5-25 parts of tea seed oil, 0.1-2 parts of tea saponin, grape 5-15 parts of seed extract, 5-25 parts of citric acid, 5-25 parts of amino acid chelate, and 0-10 parts of amino acid derivative. 3. A kind of self-fragrance natural antibacterial and deodorant nonwoven fabric according to claim 1, characterized in that: the fragrance slow-release body is a fragrance microcapsule with a core-shell structure, comprising a capsule core and a capsule wall, The capsule wall is a polymer, and the capsule core is a composition of aromatic essential oil or aromatic essential oil and hydrated aluminum silicate. The components and their amounts are as follows in parts by weight: capsule core 20-70%, capsule wall 30-80%, emulsifier 1-6%. 4. A kind of self-fragrance natural antibacterial and deodorant nonwoven fabric according to claim 3, characterized in that: the capsule wall polymer is polyurethane resin, gelatin, cyclodextrin, low melting point polyamide, epoxy resin, One or more of urea-formaldehyde resin and gum arabic; the fragrance types of the aromatic essential oils include grass-scented, rose-scented, forest-bath-scented, jasmine-scented, lavender-scented, fruity-scented, lemon-scented and osmanthus Fragrance type. 5. A kind of self-fragrant natural antibacterial and deodorant nonwoven fabric according to claim 1, characterized in that: the high melting point polymer is polyethylene terephthalate, polybutylene terephthalate , polypropylene or polylactic acid; the low melting point polymer is polyethylene. 6. A kind of self-fragrant natural antibacterial and deodorant nonwoven fabric according to claim 1, characterized in that: said dispersant is low molecular weight polyethylene wax, random polypropylene, magnesium stearate, calcium stearate , pentaerythritol stearate, one or more of fatty acids; the plasticizer is dioctyl phthalate or dibutyl phthalate; the coupling agent is silane, titanate, aluminum ester, aluminum-titanium composite coupling agent; the emulsifier is sodium dodecylbenzenesulfonate, fatty acid monoglyceride, soybean lecithin, monoglyceride laurate, propylene glycol fatty acid ester, poly One or more of oxyethylene sorbitan fatty acid ester and Span-80. 7. A kind of self-fragrant natural antibacterial and deodorant nonwoven fabric according to claim 2, characterized in that: the amino acid chelate is zinc amino acid chelate, including zinc glycine, zinc threonine, lysine Zinc and zinc methionine; the amino acid derivatives are amino acid esters, and the amino acid esters include lysine lauryl ester, glutamic acid cellulose ester, and aspartic acid cellulose ester. 8. A kind of self-fragrance natural antibacterial and deodorant nonwoven fabric according to claim 1, characterized in that: said self-fragrance fiber comprises self-perfume filament and self-perfume short fiber; said natural antibacterial and deodorant fiber comprises natural Antibacterial and deodorant filaments, natural antibacterial and deodorant staple fibers; the fineness of the self-fragrance filaments and natural antibacterial and deodorization filaments is 0.8-3.0D, and the length of the self-fragrance staple fibers and natural antibacterial and deodorization staple fibers It is 35-130mm, the crimp is 12-40%, and the tensile strength is 2.2-3.1cN/dtex. 9. A kind of self-fragrance natural antibacterial and deodorant nonwoven fabric according to claim 1, characterized in that: the breaking strength of the self-fragrant natural antibacterial and deodorant nonwoven fabric is 10-24N, and the square gram weight is 8-24N. 35g/m ² . 10. The application of a kind of self-fragrant natural antibacterial and deodorant non-woven fabric as claimed in any one of claims 1 to 9 in disposable hygiene products and medical hygiene products.