CN101531736A - Synthetic styrene-acrylic latex - Google Patents
Synthetic styrene-acrylic latex Download PDFInfo
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- CN101531736A CN101531736A CN200910119369A CN200910119369A CN101531736A CN 101531736 A CN101531736 A CN 101531736A CN 200910119369 A CN200910119369 A CN 200910119369A CN 200910119369 A CN200910119369 A CN 200910119369A CN 101531736 A CN101531736 A CN 101531736A
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- acrylic latex
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- 239000004816 latex Substances 0.000 title claims abstract description 21
- 229920000126 latex Polymers 0.000 title claims abstract description 21
- 229920001909 styrene-acrylic polymer Polymers 0.000 title claims abstract description 20
- 239000000839 emulsion Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000178 monomer Substances 0.000 claims abstract description 13
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 10
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 10
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims abstract description 6
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 6
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 5
- 239000004160 Ammonium persulphate Substances 0.000 claims description 5
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 5
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000004945 emulsification Methods 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract description 2
- 238000006116 polymerization reaction Methods 0.000 abstract description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 abstract 1
- 230000003712 anti-aging effect Effects 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 21
- 238000000576 coating method Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011115 styrene butadiene Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
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- Paints Or Removers (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses synthetic styrene-acrylic latex, which includes components by weight: 2-4 parts of crylic acid, 5-8 parts of iso-octyl acrylate, 10-15 parts of styrene, 6-9 parts of butyl acrylate, 0.4-0.8 part of emulsifying agent, 0.1-0.4 part of ammonium persulfate and 65-80 parts of ionic water. Because soft monomer and hard monomer proportion MAA:St:BA is 36:25:36, the obtained emulsion has high hardness, and good anti-aging performance, when amount of seed emulsion is 10-12%, comprehensive properties of the obtained emulsion are best, and proper amount of carboxyl functional monomer is added to significantly improve polymerization stability of the emulsion, calcium ionic stability, emulsion viscosity and film water absorption rate.
Description
Technical field
The present invention relates to a kind of emulsion coatings, particularly relate to a kind of synthetic styrene-acrylic latex.
Background technology
Acrylic polymer becomes the outstanding person with its superior film-forming properties, good oil-proofness and weathering resistance, good cementability in numerous polymer emulsion products.Introduce the cinnamic acrylic emulsion system of hard monomer, abbreviate the benzene emulsion as, have higher weathering resistance, tint retention, pollution resistance etc.Benzene emulsion is mainly as aspects such as building coating, paper making and cloth coating tackiness agent.As tackiness agent, its hardness height, water-tolerant.In addition, it also can be widely used as floor polisher, sand texture coating, concavo-convex priming paint etc.Along with the progress of nucleocapsid technology, interpenetrating polymer networks and emulsifier-free emulsion polymerization, will be more extensive also to the research of benzene emulsion purposes.
In recent years the consumption market of global benzene emulsion is in steady-state growth, and is wherein especially very fast with developing country's demand growth such as Asia and South America.China will be because rapid development of economy will keep the situation of growth to the demand of coating such as benzene emulsion, and new achievement in research will give benzene emulsion more commercial viability.The production of China's benzene emulsion at present disperses very much, and the competition between medium-sized and small enterprises is also very fierce, and the large enterprises with scale grow up, and quality product is very different, and main drawback is water resisting property difference and easily yellowing, and next amount of being to use is bigger than normal.
The gordian technique that the synthetic styrene-acrylic emulsion substitutes styrene-butadiene emulsion is the challenge of performances such as hardness of film and weathering resistance, and this is the target that the ordinary emulsion product is difficult to realize.
Summary of the invention
The object of the present invention is to provide a kind of stability better, be difficult for that brightness reversion, fine size viscosity are low, good fluidity, do not produce the synthetic styrene-acrylic latex of oil mark.
For achieving the above object, technical solution of the present invention is:
The present invention is a kind of synthetic styrene-acrylic latex, and its raw material component concentration by weight is:
Monomer: methacrylic acid (MAA) 2 ~ 4
Isooctyl acrylate monomer 5 ~ 8
Vinylbenzene (St) 10 ~ 15
Butyl acrylate (BA) 6 ~ 9
Emulsifying agent: alkylphenol-polyethenoxy (10) ether (OP-10) 0.4 ~ 0.8
Initiator: ammonium persulphate 0.1 ~ 0.4
Water: ionized water 65 ~ 80.
Described synthetic styrene-acrylic latex, its raw material also comprises following component, is weight part:
Witco 1298 Soft Acid 0.1 ~ 0.5
Acrylamide 0.4 ~ 0.8
Diethanolamine 0.4 ~ 0.8
N-hydroxypropyl solution 0.3 ~ 0.7.
After adopting such scheme, because the present invention takes following measure:
(1) the soft or hard monomer ratio is MAA: St: BA=36: 25: 36, and gained emulsion hardness height, ageing resistance is good.
When (2) consumption of seed emulsion was 10%-12%, gained emulsion over-all properties was best.
(3) add the carboxyl function monomer obviously to the viscosity of the polymerization stability of emulsion, Calcium ion stability, emulsion and the water-intake rate influence of filming.The consumption of functional groups is controlled in 4%, and adds the emulsion property that can obtain optimum in the later stage of polyreaction.
So the present invention has the following advantages:
(1) processing White Board styrene-butadiene latex bonding strength height commonly used, water-tolerant, low price, but the easy yellowing of with the passing of time filming, stability of emulsion is poor; And styrene-acrylic latex is stablized ageing-resistant, nondiscoloration, gained White Board glossiness, smoothness height;
(2) at the bottom of the fine size viscosity, good fluidity, do not produce oil mark.With other tackiness agent relatively have foaming less, advantage that corruption is few, and price comparison is cheap.
(3) the coating fluid strong adhesion that is mixed and made into mutually of styrene-acrylic latex and pigment, mineral filler and other additives, coating do not come off, dry linting not; Rate of descent in the coating fluid 4h of preparation≤5% is easy to construction; In the high-speed coating course of processing, coating fluid is through shearing test repeatedly, has not breakdown of emulsion, do not send out and rise, do not lump, and mechanical workout adaptability is characteristics preferably; In certain temperature (5～50 ℃) scope, viscosity changes little, is applicable to prepare the latex coating liquid that satisfies the process for processing of different type of machines White Board.
The invention provides dual cross-linked core-shell structure emulsion system, this system is the new type structure of hud product of little crosslinked, the housing room temperature external crosslinking of a kind of nucleome.Form structural performance by adjusting the little crosslinking degree of nucleome, nucleocapsid dimension scale, changing, further enhance product performance, especially hardness of film.It has established solid more theory widely and application foundation for the series emulsion coating products of colonizing properties excellence.
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is preparation flow figure of the present invention.
Embodiment
One, prescription:
Below be the several embodiment of synthetic styrene-acrylic latex of the present invention, but the present invention is not limited thereto.
Embodiment 1:
A kind of synthetic styrene-acrylic latex, its raw material component concentration by weight is:
Methacrylic acid 2
Isooctyl acrylate monomer 5
Vinylbenzene 10
Butyl acrylate 6
Alkylphenol-polyethenoxy (10) ether 0.4
Ammonium persulphate 0.1
Ionized water 65.
Witco 1298 Soft Acid 0.1
Acrylamide 0.4
Diethanolamine 0.4
N-hydroxypropyl solution 0.3.
Embodiment 2:
A kind of synthetic styrene-acrylic latex, its raw material component concentration by weight is:
Vinylformic acid 4
Isooctyl acrylate monomer 8
Vinylbenzene 15
Butyl acrylate 9
. alkylphenol-polyethenoxy (10) ether 0.8
Ammonium persulphate 0.4
Ionized water 80
Witco 1298 Soft Acid 0.5
Acrylamide 0.8
Diethanolamine 0.8
N-hydroxypropyl solution 0.7.
Embodiment 3:
A kind of synthetic styrene-acrylic latex, its raw material component concentration by weight is:
Vinylformic acid 3
Isooctyl acrylate monomer 6
Vinylbenzene 13
Butyl acrylate 7
Alkylphenol-polyethenoxy (10) ether 0.6
Ammonium persulphate 0.3
Ionized water 70
Witco 1298 Soft Acid 0.3
Acrylamide 0.6
Diethanolamine 0.6
N-hydroxypropyl solution 0.5.
Embodiment 4:
A kind of synthetic styrene-acrylic latex, its raw material component concentration by weight is:
Vinylformic acid 3
Isooctyl acrylate monomer 6
Vinylbenzene 12
Butyl acrylate 7
Alkylphenol-polyethenoxy (10) ether 0.5
Ionized water 75.
Embodiment 5:
A kind of synthetic styrene-acrylic latex, its raw material component concentration by weight is:
Methacrylic acid 3
Isooctyl acrylate monomer 7
Vinylbenzene 14
Butyl acrylate 8
Ionized water 72.
Two, preparation method:
The preparation method of synthetic styrene-acrylic latex, its preparation process is as follows:
(1) earlier the pre-emulsification under the greenhouse of monomer, partial emulsifier and water is made pre-emulsion, the four-hole boiling flask that agitator, reflux condensing tube etc. will be housed then places the water-bath of temperature control unit;
(2) an amount of initiator, sodium bicarbonate and water are placed reactor, be warming up to 80 ℃-90 ℃, get the part pre-emulsion as seed, slowly be added drop-wise in the reactor, treat that emulsion is blue phase, insulation 15min obtains seed emulsion;
(3) drip remaining pre-emulsified monomer, initiator solution then simultaneously, be controlled in the 4h and drip off;
(4) drip off after, be warming up to 80 ℃-90 ℃, insulation is lowered the temperature behind the 1h, the pH value of regulating emulsion with ammoniacal liquor is 7-8, filters discharging.
Three, performance test:
Solid content is with reference to GB1725-79 standard; Hardness of film is with reference to GB/T1730-93 standard; Sticking power is with reference to GB1720-79 standard; The emulsion package stability; Whether emulsion in 50 ℃ constant temperature oven, observing emulsion has layering or demulsifying phenomenon if being placed 7d; Calcium ion stability; Get the 20g emulsion, add 10%CaCl
2Aqueous solution 20g shakes all, and whether place 24h observation emulsion has layering or demulsifying phenomenon; Water tolerance is with reference to GB1733-93 standard; Water-intake rate: with reference to HG/T2-1612-85 standard.Emulsion and the main performance index of filming are as shown in table 1.
Table 1. emulsion and the salient features of filming
The test item test result
Outward appearance milky white, semi-transparent, band blue light
Solid content % 43.2
PH value 3 ~ 6
Viscosity/(mPas) 10 ~ 100
Calcium ion stability does not have flocculation
Particle diameter/nm 54.5
Package stability is good
Water-intake rate/% 0.08
Hardness 0.73
Sticking power/level 1 ~ 2
Monomer conversion/%〉98
Claims (3)
1, a kind of synthetic styrene-acrylic latex is characterized in that: its raw material component concentration by weight is:
Monomer: methacrylic acid 2 ~ 4
Isooctyl acrylate monomer 5 ~ 8
Vinylbenzene 10 ~ 15
Butyl acrylate 6 ~ 9
Emulsifying agent: alkylphenol-polyethenoxy (10) ether 0.4 ~ 0.8
Initiator: ammonium persulphate 0.1 ~ 0.4
Water: ionized water 65 ~ 80.
2, synthetic styrene-acrylic latex according to claim 1 is characterized in that: its raw material also comprises following component, is weight part:
Witco 1298 Soft Acid 0.1 ~ 0.5
Acrylamide 0.4 ~ 0.8
Diethanolamine 0.4 ~ 0.8
N-hydroxypropyl solution 0.3 ~ 0.7.
3, the preparation method of synthetic styrene-acrylic latex according to claim 1, it is characterized in that: its preparation process is as follows: (1) makes pre-emulsion with the pre-emulsification under the greenhouse of monomer, partial emulsifier and water earlier, and the four-hole boiling flask that agitator, reflux condensing tube etc. will be housed then places the water-bath of temperature control unit; (2) an amount of initiator, N-hydroxypropyl solution and water are placed reactor, be warming up to 80 ℃-90 ℃, get the part pre-emulsion as seed, slowly be added drop-wise in the reactor, treat that emulsion is blue phase, insulation 15min obtains seed emulsion; (3) drip remaining pre-emulsified monomer, initiator solution then simultaneously, be controlled in the 4h and drip off; (4) drip off after, be warming up to 80 ℃-90 ℃, insulation is lowered the temperature behind the 1h, the pH value of regulating emulsion with ammoniacal liquor is 7-8, filters discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910119369A CN101531736A (en) | 2009-03-24 | 2009-03-24 | Synthetic styrene-acrylic latex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910119369A CN101531736A (en) | 2009-03-24 | 2009-03-24 | Synthetic styrene-acrylic latex |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101531736A true CN101531736A (en) | 2009-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910119369A Pending CN101531736A (en) | 2009-03-24 | 2009-03-24 | Synthetic styrene-acrylic latex |
Country Status (1)
| Country | Link |
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| CN (1) | CN101531736A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675542A (en) * | 2012-05-29 | 2012-09-19 | 江门市高力依科技实业有限公司 | Middle-sole latex and preparation process thereof |
| CN104387515A (en) * | 2014-11-13 | 2015-03-04 | 常熟市万象涂料有限公司 | Interface agent and preparation method thereof |
| CN104626683A (en) * | 2015-02-10 | 2015-05-20 | 河南万顺包装材料有限公司 | Full water-based system coated composite aluminum foil paper and preparation process thereof |
| CN105273117A (en) * | 2015-10-17 | 2016-01-27 | 佛山市顺德区巴德富实业有限公司 | Styrene-acrylic emulsion with flash rust prevention function and preparation method of styrene-acrylic emulsion |
| CN105504143A (en) * | 2014-09-26 | 2016-04-20 | 中国石油化工股份有限公司 | Non-polyether demulsifier and preparation method thereof |
| CN106749823A (en) * | 2016-11-30 | 2017-05-31 | 中山市巴德富化工科技有限公司 | A kind of low emulsion addition, the interior wall water-based emulsion of scrub resistance high and its preparation |
| CN107619450A (en) * | 2017-09-14 | 2018-01-23 | 江苏景宏新材料科技有限公司 | A kind of preparation method of styrene-acrylic emulsion used for building exterior wall |
| CN113004760A (en) * | 2021-04-30 | 2021-06-22 | 柏林(惠州)科技化工有限公司 | Water-based paint suitable for hockey stick and preparation method thereof |
-
2009
- 2009-03-24 CN CN200910119369A patent/CN101531736A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675542A (en) * | 2012-05-29 | 2012-09-19 | 江门市高力依科技实业有限公司 | Middle-sole latex and preparation process thereof |
| CN102675542B (en) * | 2012-05-29 | 2013-07-31 | 江门市高力依科技实业有限公司 | Middle-sole latex and preparation process thereof |
| CN105504143A (en) * | 2014-09-26 | 2016-04-20 | 中国石油化工股份有限公司 | Non-polyether demulsifier and preparation method thereof |
| CN105504143B (en) * | 2014-09-26 | 2017-12-19 | 中国石油化工股份有限公司 | A kind of non-polyether type demulsifying agent and preparation method thereof |
| CN104387515A (en) * | 2014-11-13 | 2015-03-04 | 常熟市万象涂料有限公司 | Interface agent and preparation method thereof |
| CN104626683A (en) * | 2015-02-10 | 2015-05-20 | 河南万顺包装材料有限公司 | Full water-based system coated composite aluminum foil paper and preparation process thereof |
| CN105273117A (en) * | 2015-10-17 | 2016-01-27 | 佛山市顺德区巴德富实业有限公司 | Styrene-acrylic emulsion with flash rust prevention function and preparation method of styrene-acrylic emulsion |
| CN106749823A (en) * | 2016-11-30 | 2017-05-31 | 中山市巴德富化工科技有限公司 | A kind of low emulsion addition, the interior wall water-based emulsion of scrub resistance high and its preparation |
| CN107619450A (en) * | 2017-09-14 | 2018-01-23 | 江苏景宏新材料科技有限公司 | A kind of preparation method of styrene-acrylic emulsion used for building exterior wall |
| CN113004760A (en) * | 2021-04-30 | 2021-06-22 | 柏林(惠州)科技化工有限公司 | Water-based paint suitable for hockey stick and preparation method thereof |
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Open date: 20090916 |