+

WO2010066066A1 - Agent de conservation du bois et procédé pour la conservation du bois - Google Patents

Agent de conservation du bois et procédé pour la conservation du bois Download PDF

Info

Publication number
WO2010066066A1
WO2010066066A1 PCT/CN2008/001993 CN2008001993W WO2010066066A1 WO 2010066066 A1 WO2010066066 A1 WO 2010066066A1 CN 2008001993 W CN2008001993 W CN 2008001993W WO 2010066066 A1 WO2010066066 A1 WO 2010066066A1
Authority
WO
WIPO (PCT)
Prior art keywords
wood
solution
sodium fluoroborate
vacuum
treatment
Prior art date
Application number
PCT/CN2008/001993
Other languages
English (en)
Chinese (zh)
Inventor
曹金珍
余丽萍
Original Assignee
北京林业大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京林业大学 filed Critical 北京林业大学
Priority to PCT/CN2008/001993 priority Critical patent/WO2010066066A1/fr
Priority to CN200880129962.XA priority patent/CN102066062B/zh
Publication of WO2010066066A1 publication Critical patent/WO2010066066A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/02—Amines; Quaternary ammonium compounds
    • A01N33/12—Quaternary ammonium compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B27K3/163—Compounds of boron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B27K3/20—Compounds of alkali metals or ammonium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds

Definitions

  • Wood preservative and wood anticorrosion treatment method Wood preservative and wood anticorrosion treatment method
  • the invention relates to a preservative and a preparation method thereof, in particular to a preservative containing boron element and a preparation method thereof.
  • wood preservatives that are harmful to the environment and human health (such as Chromium arsenate, CCA, sodium pentachlorophenol, coal tar, etc.) Use is gradually restricted or prohibited.
  • Boron compounds are a class of insecticides with excellent properties. These compounds have been studied as wood preservatives earlier. Numerous studies have shown that boron compounds (abbreviated as borax, SBX) have good resistance to various microorganisms that invade wood, have a broad spectrum of antibacterial properties and high bactericidal properties, and wood samples treated with boride are There are certain improvements in flame retardancy and dimensional stability. In addition, as a kind of excellent insecticidal sterilizing agent, boride not only has the advantages of low price, abundant source, low toxicity to humans and animals, low environmental damage, low influence on mechanical strength, easy coloring, painting and gluing, etc. The wood preservative has good permeability in wood, excellent infusion effect, and does not affect the color and texture of the wood itself, so the boride is widely used for wood preservation.
  • SBX boron compounds
  • the boride is a water-soluble compound
  • the boride-treated wood is wetted (such as rain, water, etc.) or in contact with the soil, the boron in the wood is gradually lost, and its antiseptic/ The pest control effect will gradually decrease or even be completely lost, which greatly limits the application range of such wood preservatives. Therefore, most of the wood treated with boron-based preservatives can only be used indoors, but not outdoors.
  • additives are mostly polymer monomers or polymers such as ethylene monomer, methyl methacrylate, poly Ethylene glycol, etc.; also use some natural substances such as protein and tannin; also use simple physical methods, only the surface of the treatment material is coated with varnish, alkyd paint and other waterproofing agents;
  • anti-corrosion treatment The process is treated by a gas phase boron process to treat the wood.
  • Metal-modified boron-based composite preservatives are currently mainly studied by copper azole, metaboric acid and boric acid metal compounds.
  • wood treated with copper azole preservative due to the interaction of copper and boron in the preservative, various elements form unstable fixation in the wood, and the boron loss rate is high.
  • copper from the wood Loss, there is a certain pollution to the environment.
  • the metaboric acid and the boric acid metal compound are a kind of water-insoluble compound, which is structurally stable and hardly soluble in water, so it is difficult to use water or the like as a medium to enter the interior of the wood.
  • the surface of the wood is mainly treated by spraying, and the surface resistance of the wood is improved. Corrosive, but because the surface of the wood is only treated, the anti-corrosion effect is not durable.
  • DOT wood preservatives have strong termite resistance to subterranean termites, and have relatively low resistance to fungi. Therefore, the application of single components is relatively small, mainly as an additive to other preservatives, which can significantly improve the resistance of preservatives. Termites, but their active ingredients are less resistant to leaching, and almost 100% of DOT will be lost from the treated material. Summary of the invention
  • An object of the present invention is to provide a wood preservative and a wood preservative treatment method in view of the problems of the prior art.
  • the component of the composite boron-based wood preservative of the present invention is infiltrated into the interior of the wood to be treated by vacuum pressure infusion, and then chemically reacted to form a boron-insoluble compound which is hardly soluble in water, so that the preservative in the wood to be preserved
  • the loss rate is low, the anti-leak performance is significantly improved, and the anti-corrosion effect is significantly enhanced.
  • an aspect of the present invention provides a wood preservative comprising sodium fluoroborate and dimercaptodimethylammonium chloride.
  • the molar ratio of sodium fluoroborate to dimercaptodimethylammonium chloride is 1: 0.8-2, preferably 1: 1-1.5.
  • Another aspect of the invention provides a method for preservative treatment of wood, comprising the steps of:
  • sodium fluoroborate and dimercaptodimethylphosphonium chloride in the interior of the wood react to form a boron-containing compound that is poorly soluble in water.
  • Another aspect of the invention provides a method for preservative treatment of wood, comprising the steps of:
  • sodium fluoroborate and dimercaptodimethylammonium chloride in the interior of the wood react to form a boron-containing compound that is poorly soluble in water.
  • Another aspect of the invention provides a method for preserving wood, including the steps -
  • sodium fluoroborate and dimercaptodimethylammonium chloride in the interior of the wood react to form a boron-containing compound that is poorly soluble in water.
  • Another aspect of the invention provides a method for preserving wood, comprising the steps of:
  • sodium fluoroborate and dimercaptodimethylammonium chloride in the interior of the wood react to form a boron-containing compound that is poorly soluble in water.
  • the mass percentage concentration of the sodium fluoroborate solution described in the step 1) is 0.1-2%, preferably 0.3-1%; the mass percentage concentration of the dimercaptodimethyl chlorinated hinge solution is sodium fluoroborate 3-6 times, preferably 4-5 times the concentration of the solution mass percentage (for example: when the mass percentage concentration of the sodium fluoroborate solution is 0.1%, the mass percentage concentration of the DDAC solution is 0.3-0.6%; when the sodium fluoroborate solution When the mass percentage concentration is 1%, the mass percentage concentration of the DDAC solution is 3-6%; when the mass percentage concentration of the sodium fluoroborate solution is 2%, the mass percentage concentration of the DDAC solution is 6-12%).
  • the relative vacuum degree of the vacuum treatment in the step 2) and the step 3) is -0.05 to -0.09 MPa, preferably -0.07 to -0.09 MPa, and the treatment time is 20-60 min, preferably 30-50 min;
  • the absolute pressure is from 1.0 to 4.0 MPa, preferably from 1.5 to 3 MPa, and the treatment is from 30 to 240 minutes, preferably from 60 to 180 minutes.
  • the moisture content of the wood after drying in step 2) is less than 25%, preferably 10-20%; the moisture content of the wood after drying in step 4) is less than 15%, preferably 8-12%;
  • the molar ratio of sodium fluoroborate to dimercaptodimethyl chloride hinge in the interior of the wood is 1: 0.8-2, preferably 1:1 to 1.5.
  • drying temperatures described in steps 2) and 4) are 30-60 Torr and the dry relative humidity is 40-70%.
  • Still another aspect of the present invention provides a preservative wood which is prepared by the above-described method of preservative treatment of wood.
  • the method for preserving the wood of the invention is that the composition of the composite boron-based preservative is sequentially infiltrated into the wood to be treated by using two vacuum pressure infusion treatments, and the chemical reaction of each reaction component infiltrated into the wood occurs in the wood.
  • a boron-insoluble compound that is poorly soluble in water is formed, thereby improving the resistance of boron in the wood. Therefore, the loss rate of the preservative in the wood treated with the antiseptic treatment is low, and the drug loading of the B 2 0 3 in the preservative treated wood reaches 0.2-5.1 kg/m 3 , and the retention rate of boron is high, reaching 75. -100%.
  • the anti-corrosion wood of the invention has strong corrosion resistance and remarkable anti-corrosion effect, and meets the strong corrosion resistance specified in the National Standard GB/T 13942.1-1992 "Laboratory Test Method for Natural Corrosion Resistance of Wood by Wood Natural Durability Test Method". Level requirements. detailed description
  • the wood to be treated with anti-corrosion treatment is selected from Chinese fir sapwood (C-inghamia lanceolate), collected in Sichuan Honglai Forest Farm, with an average air dry density of 355kg/m 3 ; the dimensions are 3000mm (longitudinal) x95mm (chord direction) x28mm (diameter) To) the wood.
  • Example 1 Chinese fir sapwood (C-inghamia lanceolate), collected in Sichuan Honglai Forest Farm, with an average air dry density of 355kg/m 3 ; the dimensions are 3000mm (longitudinal) x95mm (chord direction) x28mm (diameter) To) the wood.
  • the sodium fluoroborate is dissolved in water, and a solution having a mass percentage of 1% is used; the dimercaptodimethylammonium chloride (DDAC) is dissolved in water, and a solution having a mass percentage of 5% is used.
  • DDAC dimercaptodimethylammonium chloride
  • the vacuum pump is turned on for vacuuming, so that the relative vacuum in the vacuum pressurized tank is -0.09 MPa. After 60 minutes, the vacuum pump is turned off, and the sodium fluoroborate solution having a mass percentage of 1% is introduced until the relative vacuum in the vacuum pressurized tank is reached. Degree is OMPa;
  • the pressurizing device (hydraulic pump) is turned on, and the sodium fluoroborate solution is continuously supplied into the vacuum pressurized tank to pressurize the wood.
  • the relative pressure in the vacuum pressurized tank was brought to 1.5 MPa.
  • open the drain valve After maintaining the pressure for 180 minutes, open the drain valve and slowly discharge the sodium fluoroborate solution, relieve the pressure, and take out the wood treated with the sodium fluoroborate solution.
  • the wood was dried to a moisture content of 15% at a temperature of 45 ° C and a relative humidity of 55%.
  • the dried wood is placed in a vacuum pressurized tank, and the vacuum pump is turned on for vacuum treatment, so that the relative vacuum in the vacuum pressurized tank is -0.09 MPa, and the vacuum pump is turned off after 60 minutes, and the mass concentration is 5%.
  • DDAC solution until the relative vacuum in the vacuum pressurized tank is OMPa;
  • the DDAC solution is continuously introduced into the vacuum pressure tank, and the wood block is pressurized.
  • the relative pressure in the vacuum pressurized tank was brought to 1.5 MPa.
  • the snoring drain valve slowly drained the DDAC solution, relieved the pressure, and took out the wood treated with the DDAC solution.
  • the drug loading of the DDAC in the treated material was 35.5 kg/m 3 .
  • Example 3 Except that the mass percentage concentration of the sodium fluoroborate solution is 0.3%; the mass concentration of the DDAC solution is 1.2%; the relative vacuum of the vacuum treatment of the sodium fluoroborate solution and the DDAC solution treatment step is -0.05 MPa, vacuum The treatment time is 50 min; the relative pressure of the pressure treatment is 3 MPa, the pressure treatment time is 90 min, the drug loading of sodium fluoroborate in the treated material is about 3.1 kg/m 3 , and the drug loading of DDAC is about 10.2 kg/m. 3 ; The same procedure as in Example 1 except that the molar ratio of sodium fluoroborate to DDAC in the composite boron-based preservative in the secondary drying and synthesis reaction step of the wood was 1:1.
  • Example 3 The same procedure as in Example 1 except that the molar ratio of sodium fluoroborate to DDAC in the composite boron-based preservative in the secondary drying and synthesis reaction step of the wood was 1:1.
  • the sodium fluoroborate is dissolved in water, and a solution having a mass percentage of 0.1% is used; the dimercaptodimethylphosphonium chloride (DDAC) is dissolved in water to prepare a solution having a mass percentage of 0.6%.
  • DDAC dimercaptodimethylphosphonium chloride
  • the vacuum pump is turned on for vacuuming, so that the relative vacuum in the vacuum pressurized tank is -0.07 MPa. After 30 minutes, the vacuum pump is turned off, and the DDAC solution having a mass percentage of 0.6% is introduced until the relative vacuum in the vacuum pressurized tank is OMPa;
  • the relative pressure in the vacuum pressurized tank was brought to 4 MPa. After maintaining this pressure for 30 min, open the drain valve to slowly remove the DDAC solution, relieve the pressure, and remove the wood treated with the DDAC solution.
  • the DDAC charge in the treated material is 3.9 kg/m.
  • the wood was dried to a moisture content of 20% under the conditions of a temperature of 45 ° C and a relative humidity of 55%.
  • the dried wood is placed in a vacuum pressurized tank, and the vacuum pump is turned on for vacuum treatment, so that the relative vacuum in the vacuum pressurized tank is -0.07 MPa, and the vacuum pump is turned off after 30 minutes, and the mass percentage concentration is 0.1%.
  • the pressurizing device is turned on, and the sodium fluoroborate solution is continuously introduced into the vacuum pressurized tank to pressurize the wooden block. Make true The relative pressure in the empty pressurized tank reached 4 MPa. After maintaining the pressure for 30 minutes, the liquid leaching solution was slowly removed, the sodium fluoroborate solution was slowly removed, the pressure was released, and the wood treated with the sodium fluoroborate solution was taken out.
  • the drug loading of the sodium fluoroborate in the treated material was 0.6 kg/m 3 . .
  • the wood is placed at a temperature of 30 ° C and a relative humidity of 40%, and dried to a moisture content of 12%.
  • sodium fluoroborate and DDAC in the wood react to form a boron-insoluble compound which is poorly soluble in water, wherein The molar ratio of sodium fluoroborate to DDAC in the composite boron-based preservative is 1:2.
  • the mass percentage concentration of sodium fluoroborate solution is 2%; the mass concentration of DDAC solution is 6%; the relative vacuum of DDAC treated wood step and sodium fluoroborate treated wood step is -0.09MPa, vacuum processing time 20min; the relative pressure of the pressure treatment is lMPa, the pressure treatment time is 240min, the drug loading of sodium fluoroborate in the treated material is 15.3kg/m 3 , and the drug loading of DDAC is 40.3kg/m 3 ;
  • the secondary drying temperature is 60 °C, the relative humidity is 70%, and the wood moisture content after drying is 10%.
  • the secondary boron-based preservative in the wood secondary drying and synthesis reaction step is sodium fluoroborate and DDAC.
  • the molar ratio was 1:0.8, and the rest was the same as in Example 3.
  • the sodium fluoroborate is dissolved in water, and a solution having a mass percentage of 1% is used; the dimercaptodimethylammonium chloride (DDAC) is dissolved in water, and a solution having a mass percentage of 5% is used.
  • DDAC dimercaptodimethylammonium chloride
  • the wood is placed in a can of a vacuum pressurized tank containing a 1% by weight sodium fluoroborate solution, and immersed in a sodium fluoroborate solution, and the vacuum pump and the pressurizing device are connected (ie, when the vacuum pump is started to evacuate) Turn off the pressurizing device; turn off the vacuum pump when starting the pressurizing device.)
  • the vacuum pump is turned on for vacuuming, so that the relative vacuum in the vacuum pressurized tank is -0.09 MPa, and the vacuum pump is turned off after 60 minutes, and the exhaust valve is opened until the relative vacuum in the vacuum pressurized tank is OMPa;
  • the pressurizing device was turned on, and air or nitrogen gas was introduced into the vacuum pressurized tank to pressurize the wood so that the relative pressure in the vacuum pressurized tank reached 1.5 MPa. After maintaining the pressure for 180 min, the exhaust valve was opened to slowly discharge air or nitrogen, the pressure was released, and the wood treated with the sodium fluoroborate solution was taken out, and the drug loading of the sodium fluoroborate in the treated material was 5.5 kg/m 3 . 2) Wood drying once
  • the wood was dried to a moisture content of 15% at a temperature of 45 ° C and a relative humidity of 55%.
  • the dried wood is placed in a canister in a vacuum pressurized tank containing a DDAC solution of 5% by mass, and immersed in a DDAC solution, and the vacuum pump is turned on for vacuuming to make the vacuum pressurized tank
  • the relative vacuum is -0.09MPa, after 60min is kept, the vacuum pump is turned off, and the exhaust valve is opened until the relative vacuum in the vacuum pressurized tank is OMPa;
  • the pressurizing device was turned on, and air or nitrogen gas was introduced into the vacuum pressurized tank to pressurize the wood so that the relative pressure in the vacuum pressurized tank reached 1.5 MPa. After maintaining the pressure for 180 min, the exhaust valve was opened to slowly discharge air or nitrogen, the pressure was released, and the wood treated with the DDAC solution was taken out.
  • the drug loading of the DDAC in the treated material was 27.2 kg/m 3 .
  • the wood is placed at a temperature of 45 ° C and a relative humidity of 55%, and dried to a moisture content of 9%.
  • sodium fluoroborate and DDAC in the wood react to form a boron-insoluble compound which is poorly soluble in water, wherein The molar ratio of sodium fluoroborate to DDAC in the composite boron-based preservative is 1:1.5.
  • Example 7 Except that the concentration of sodium fluoroborate solution is 0.3%; the mass concentration of DDAC solution is 1.2%; the relative vacuum of vacuum treatment during the process of sodium fluoroborate treatment and DDAC treatment is -0.05MPa, vacuum treatment time 50min; the relative pressure of the pressure treatment is 3MPa, the pressure treatment time is 50min; the drug loading of sodium fluoroborate in the treated material is 3.7kg/m 3 , and the drug loading of DDAC is 12.2kg/m 3 ; In the sub-drying and synthesis reaction steps, the molar ratio of sodium fluoroborate to DDAC in the composite boron-based preservative was 1:1, and the rest was the same as in Example 5. Example 7
  • Sodium fluoroborate is dissolved in water, and a solution having a mass percentage of 0.1% is used; a solution of dimercaptodimethylammonium chloride (DDAC) dissolved in water is added to prepare a solution having a mass percentage of 0.6%.
  • DDAC dimercaptodimethylammonium chloride
  • the wood is placed in a can of a vacuum pressurized tank filled with a DDAC solution of 0.6% by mass, and immersed in a DDAC solution, and the vacuum pump and the pressurizing device are connected (ie, the vacuum pump is turned off when the vacuum pump is started). ; Turn off the vacuum pump when turning on the pressurizing device). Open the vacuum pump for vacuum treatment, so that the relative vacuum in the vacuum pressure tank is -0.07MPa, after 30min, turn off the vacuum pump, and open the exhaust valve until the relative vacuum in the vacuum pressure tank is OMPa;
  • the pressure device is pressurized, and air or nitrogen is introduced into the vacuum pressure tank to pressurize the wood so that the relative pressure in the vacuum pressure tank reaches 4 MPa. After maintaining 30 rnin under this pressure state, the exhaust valve was opened to slowly discharge air or nitrogen, the pressure was released, and the wood treated with the DDAC solution was taken out, and the drug loading of DDAC in the treated material was 3.9 kg/m 3 .
  • the wood was dried to a moisture content of 12% at a temperature of 30 ° C and a relative humidity of 40%.
  • the dried wood is placed in a canister in a vacuum pressurized tank containing a 0.1% by weight sodium fluoroborate solution, and immersed in a sodium fluoroborate solution, and the vacuum pump is turned on for vacuum treatment to add vacuum.
  • the relative vacuum in the pressure tank is -0.07MPa, after 30min, the vacuum pump is turned off, and the exhaust gas is opened at the same time until the relative vacuum in the vacuum pressure tank is OMPa;
  • the drug loading of the sodium fluoroborate in the treated material is 0.6 kg/m.
  • the wood is dried to a moisture content of 12% at a temperature of 30 ° C and a relative humidity of 40%.
  • sodium fluoroborate and DDAC in the wood react to form a boron-insoluble compound which is poorly soluble in water, wherein the composite
  • the molar ratio of sodium fluoroborate to DDAC in the boron-based preservative is 1:2.
  • the content of boron in the test piece was measured by wet ashing.
  • test pieces prepared in Examples 1-8 and Comparative Examples 1-8 were respectively sawed into small squares of 19 ⁇ 19 ⁇ 19mm, and each set of examples and each set of comparative examples were taken into 6 small squares, and each group was placed into 16 groups.
  • a 500ml beaker add 300ml of deionized water, the wood block is completely submerged by water, put the beaker into a vacuum device, vacuum the vacuum to a relative vacuum of -0.03MPa, and after vacuuming for 20min, release the vacuum. After that, seal the cup with plastic wrap to prevent evaporation of water, and put the beaker at constant temperature.
  • the loss test was performed on the oscillator, and the oscillation speed was set at 80 r/min.
  • the lost water was replaced with fresh deionized water at 6 h (hours), 24 h, 48 h and every 48 h thereafter, and the loss was continued for 14 days. After the loss was completed, the pieces were taken out at 40-60 ° C. Dry to constant weight with a relative humidity of 60-80%.
  • the wood blocks prepared in Examples 1-8 and Comparative Examples 1-8 and the wood blocks of the lost test pieces of Examples 1-8 and Comparative Examples 1-8 were respectively cut into small wood chips and pulverized into wood powder, and the wood powder was placed. In a dry box, dry at 105 ° C for 24 h. Weigh 0.5 g of dried wood flour to the nearest 0.001 g.
  • A the amount of boron (mg) in the test piece that has not been lost
  • Corrosion resistance test was carried out in accordance with the national standard GB/T 13942.1-1992 "Testing methods for natural corrosion resistance of wood by wood natural durability test method".
  • W1 the weight before the test of the sample
  • W2 the weight after the test of the sample
  • Example 3 7.8 8.1 6.6 7.2
  • Example 4 0 0.3 -0.5 0
  • Comparative Example 1 18.3 27.3 16.3 30.5 Comparative Example 2 20.6 29.6 22.0 28.7 Comparative Example 3 25.0 33.8 24.5 33.4 Comparative Example 4 0.7 25.2 0.3 24.9 Comparative Example 5 19.5 22.5 20.3 25.0 Comparative Example 6 22.3 25.6 18.5 27.5 Comparative Example 7 22.6 30.1 21.6 31.2 Control Example 8 1.1 26.8 0.8 25.5 Blank group 31.6 - 33.2 -
  • the experimental results show that: the weight loss rate of wood is low, less than 10%, indicating that the preservative of the present invention has high anticorrosive property, and the anticorrosive wood treated by the preservative of the present invention is preserved. The effect is remarkable, and the corrosion resistance is enhanced, which meets the requirements of the national standard GB/T 13942.1-1992 "Laboratory test method for natural corrosion resistance of wood by wood natural durability test method".

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

Un composite d'agent de conservation du bois à base de bore comprend les matériaux suivants : fluoroborate de sodium et chlorure de didecyl dymethyl ammonium (DDAC). Lesdits matériaux pénètrent dans le bois prêt à être conservé grâce à l’application de vide et de pression, et réagissent ensuite chimiquement pour produire une composition de bore insoluble dans l’eau. L’invention concerne également un procédé pour le traitement de conservation du bois.
PCT/CN2008/001993 2008-12-11 2008-12-11 Agent de conservation du bois et procédé pour la conservation du bois WO2010066066A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2008/001993 WO2010066066A1 (fr) 2008-12-11 2008-12-11 Agent de conservation du bois et procédé pour la conservation du bois
CN200880129962.XA CN102066062B (zh) 2008-12-11 2008-12-11 一种木材防腐剂和木材防腐处理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2008/001993 WO2010066066A1 (fr) 2008-12-11 2008-12-11 Agent de conservation du bois et procédé pour la conservation du bois

Publications (1)

Publication Number Publication Date
WO2010066066A1 true WO2010066066A1 (fr) 2010-06-17

Family

ID=42242289

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/001993 WO2010066066A1 (fr) 2008-12-11 2008-12-11 Agent de conservation du bois et procédé pour la conservation du bois

Country Status (2)

Country Link
CN (1) CN102066062B (fr)
WO (1) WO2010066066A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102069520A (zh) * 2010-11-25 2011-05-25 浙江大学 一种木材或木制品复合防腐剂及其制备方法和处理方法
CN104128979A (zh) * 2014-06-25 2014-11-05 阜南县永兴工艺品有限公司 一种含花椒叶的藤条用改性浸泡液及其使用方法
CN104908122A (zh) * 2015-06-19 2015-09-16 淄博大创自动化科技有限公司 一种能够释放负离子的红木扇骨的防腐抗菌加工工艺
CN104924386A (zh) * 2015-06-19 2015-09-23 淄博大创自动化科技有限公司 一种红木扇骨的加香、防腐、抗菌加工工艺
CN115609719A (zh) * 2022-10-28 2023-01-17 阜南佳利工艺品股份有限公司 一种原木花盆的浸油防腐处理工艺方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104802252A (zh) * 2015-04-30 2015-07-29 湖南栋梁木业有限公司 一种木材增强防腐改性液及其制备方法
CN105082283A (zh) * 2015-08-24 2015-11-25 安徽龙华竹业有限公司 一种防腐蚀复合板的生产方法
CN118721348A (zh) * 2024-07-03 2024-10-01 浙江品阁新材料科技有限公司 一种耐腐蚀橡木板及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001081666A2 (fr) * 2000-04-24 2001-11-01 Weyerhaeuser Company Procede pour la production de fibre de cellulose ayant une biostabilte amelioree et produits qui en resultent
CN1500605A (zh) * 2002-11-15 2004-06-02 东莞市天保木材防护科技有限公司 D型铜胺季铵盐木材防护剂制备方法
CN101161431A (zh) * 2007-11-29 2008-04-16 北京林业大学 复合木材防腐处理液、其制备方法和用该处理液使木材改性的处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3741797A (en) * 1996-08-02 1998-02-25 Hickson International Plc Quaternary ammonium salt compositions, and methods for treating substrates
EP1298997B1 (fr) * 2000-06-30 2007-03-14 Lonza Inc. Utilisation de compositions à base d'un composé du bore et d'un oxyde d'amine comme conservateur et imperméabilisant pour le bois
CN1118237C (zh) * 2000-12-27 2003-08-20 何小平 灭菌消毒剂
CN1977615A (zh) * 2005-12-07 2007-06-13 唐玉江 安全环保型灭菌消毒剂

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001081666A2 (fr) * 2000-04-24 2001-11-01 Weyerhaeuser Company Procede pour la production de fibre de cellulose ayant une biostabilte amelioree et produits qui en resultent
CN1500605A (zh) * 2002-11-15 2004-06-02 东莞市天保木材防护科技有限公司 D型铜胺季铵盐木材防护剂制备方法
CN101161431A (zh) * 2007-11-29 2008-04-16 北京林业大学 复合木材防腐处理液、其制备方法和用该处理液使木材改性的处理方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"The Proceedings of the Asian Symposium on the Conservation and Dvelopment of Traditional National Architecture", 2004, article JIN ZHONG-WEI ET AL.: "Technological Change and Problems in the Industry of the Wood Protection." *
JIN ZHONG-WEI ET AL.: "ACQ Preservative and Preservative-treated Wood.", CHINA WOOD INDUSTRY., vol. 18, no. 4, July 2004 (2004-07-01) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102069520A (zh) * 2010-11-25 2011-05-25 浙江大学 一种木材或木制品复合防腐剂及其制备方法和处理方法
CN104128979A (zh) * 2014-06-25 2014-11-05 阜南县永兴工艺品有限公司 一种含花椒叶的藤条用改性浸泡液及其使用方法
CN104908122A (zh) * 2015-06-19 2015-09-16 淄博大创自动化科技有限公司 一种能够释放负离子的红木扇骨的防腐抗菌加工工艺
CN104924386A (zh) * 2015-06-19 2015-09-23 淄博大创自动化科技有限公司 一种红木扇骨的加香、防腐、抗菌加工工艺
CN104924386B (zh) * 2015-06-19 2016-07-27 淄博大创自动化科技有限公司 一种红木扇骨的加香、防腐、抗菌加工工艺
CN104908122B (zh) * 2015-06-19 2016-07-27 淄博大创自动化科技有限公司 一种能够释放负离子的红木扇骨的防腐抗菌加工工艺
CN115609719A (zh) * 2022-10-28 2023-01-17 阜南佳利工艺品股份有限公司 一种原木花盆的浸油防腐处理工艺方法

Also Published As

Publication number Publication date
CN102066062B (zh) 2013-05-08
CN102066062A (zh) 2011-05-18

Similar Documents

Publication Publication Date Title
WO2010066066A1 (fr) Agent de conservation du bois et procédé pour la conservation du bois
CN105563579B (zh) 一种高渗透性树脂型木材增强改性剂及高效浸渍处理控制方法
CN102328334A (zh) 一种防腐剂、其制备方法和用该防腐剂处理木/竹材的方法
CN104552516B (zh) 一种用于木材或竹材改性的糠醇改性溶液
CN102275192B (zh) 木材防腐剂的制备方法
CN101422913B (zh) 对木材进行防腐处理方法及由该方法制备的防腐木材
CN106363726B (zh) 一种利用生物质热解油进行木材防腐处理的方法
CN101130255A (zh) 一种木材保护剂及其制备方法
EP2775846A1 (fr) Additifs destinés à être utilisés dans la conservation du bois
CN106217542A (zh) 环保长效型纳米银基木竹材抗菌防霉剂及其制备方法与应用
US7632567B1 (en) Micronized wood preservative formulations comprising copper and zinc
CN109015981A (zh) 一种木竹材防腐防霉改性组合剂及处理木竹材的方法
CN103659968B (zh) 一种利用环保低分子有机药剂制备防腐木材的方法
CN104760095A (zh) 防腐胶合板的制备方法
CA3009652C (fr) Procedes pour ameliorer la preservation de materiaux cellulosiques et materiaux cellulosiques prepares par celui-ci
CN110815462A (zh) 一种浸渍橡胶木的处理方法
CN1915616B (zh) 一种木材防腐剂及其制备方法
CN106903766A (zh) 一种植物基木材微囊防腐剂、其制备方法
CN110497493A (zh) 无机浸渍改性人工林木材的方法
AU2014203422A1 (en) Single step creosote/borate wood treatment
CN110355844A (zh) 一种木竹材保护用水性环氧复合体系及其应用
WO2008013981A1 (fr) Procédé de post-traitement du bois traité avec un agent de préservation à base d'amine
JP2001121512A (ja) 銅系木材保存用組成物
JP7228823B2 (ja) 木質材料難燃化処理用組成物
CN108943252B (zh) 一种木材防护剂及其制备方法和应用

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880129962.X

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08878666

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08878666

Country of ref document: EP

Kind code of ref document: A1

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载