CN105085789A - Low-temperature-resistant water-based acrylic resin and preparation method thereof - Google Patents
Low-temperature-resistant water-based acrylic resin and preparation method thereof Download PDFInfo
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- CN105085789A CN105085789A CN201510561185.8A CN201510561185A CN105085789A CN 105085789 A CN105085789 A CN 105085789A CN 201510561185 A CN201510561185 A CN 201510561185A CN 105085789 A CN105085789 A CN 105085789A
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Abstract
The invention discloses low-temperature-resistant water-based acrylic resin which is prepared from the following components in parts by mass: 30-60 parts of lauryl sodium sulfate, 0.05-0.1 part of disodium EDTA, 40-60 parts of hyaluronic acid, 2000-3000 parts of butyl acrylate, 1000-1500 parts of ethyl acrylate, 50-100 parts of acrylic acid, 40-60 parts of a silane coupling agent, 30-50 parts of a nonionic emulsifier, 10-20 parts of an initiator, and 500-700 parts of deionized water. The invention also discloses a preparation method of the low-temperature-resistant water-based acrylic resin. Paint prepared from the water-based acrylic resin is excellent in film formation performance, and has excellent water resistance and low temperature resistance.
Description
Technical field
The invention belongs to chemical technology field, be specifically related to a kind of low temperature resistant water-borne acrylic resin and preparation method thereof.
Background technology
Along with the raising day by day of people's living standard, people's environmental consciousness constantly strengthens, and it is day by day deep that international trade is come and gone, and the theory of environmental protection is also incorporated in industrial coating field gradually, and environmental protection is more and more subject to people's attention.All put into effect many corresponding policies and regulations both at home and abroad, strict restriction and control have been given to the discharge of hazardous and noxious substances.Water-borne acrylic resin is solvent with water, and make not containing hazardous solvent in coating, environment protection health, therefore effectively can solve the problem of solvent type acrylic resin release solvent, protection of the environment; And water-borne acrylic resin synthesis easily, cost is low, many advantages such as volatile organic content (VOC) is low, be subject to the favor of coating industry, with the coating that it is prepared, there is good application property, gloss and paint film appearance, curing apparatus is simple, therefore, is widely used in the field such as building coating, fabric coating.
The method that tradition prepares water-borne acrylic resin adopts the Acrylic Acid Monomer mixture being with carboxyl to be raw material, prepared the polymkeric substance of band carboxyl by polymerization, then with the neutralization of suitable alkali, to reach water-dispersion or water-soluble.Another kind method be by applying surface promoting agent the emulsifying agent effect that plays, impel polymkeric substance even to dissolve in water in case not having water soluble group to deposit.The shortcoming of these two kinds of methods is owing to having unreacted carboxylic group to remain after coating curing or the gathering of water miscible tensio-active agent, make the water tolerance of paint film, hardness, levelling property etc. can not show a candle to the occasion using solvent type acrylic resin coating, and also there is very large inferior position in the resistance to low temperature of water-borne acrylic resin paint film.
The present invention not only overcomes the weak point of water-borne acrylic resin prepared by aforesaid method, but also improves the resistance to low temperature of paint film.
Summary of the invention
For problems of the prior art, the invention provides a kind of low temperature resistant water-borne acrylic resin and preparation method thereof.
The invention provides a kind of low temperature resistant water-borne acrylic resin, described acrylic resin is prepared from by each component of following mass fraction:
Sodium lauryl sulphate 30-60 part
Disodium ethylene diamine tetraacetate 0.05-0.1 part
Hyaluronic acid 40-60 part
Butyl acrylate 2000-3000 part
Ethyl propenoate 1000-1500 part
Vinylformic acid 50-100 part
Silane coupling agent 40-60 part
Nonionic emulsifying agent 30-50 part
Initiator 10-20 part
Deionized water 500-700 part
Described silane coupling agent of stating is vinyltrimethoxy silane
Described nonionic emulsifying agent is fatty alcohol-polyoxyethylene ether
Described initiator is ammonium persulphate
The synthetic method of water-borne acrylic resin of the present invention, step is as follows:
1. by pre-emulsification by prepolymer emulsification: butyl acrylate 2000-3000 part, ethyl propenoate 1000-1500 part, vinylformic acid 50-100 part, sodium lauryl sulphate 25-50 part, nonionic emulsifying agent 30-50 part and deionized water 100-150 part stir,
2. in reactor, add sodium lauryl sulphate 5-10 part, disodium ethylene diamine tetraacetate 0.05-0.1 part, hyaluronic acid 40-60 part and deionized water 400-550 part stir;
3. the prepolymer after pre-emulsification 800 parts is added reactor, be warming up to 50-60 DEG C, add initiator 10-20 part, remaining prepolymer is dripped in reactor, from being warmed up to 74 DEG C, then drip silane coupling agent 40-60 part, 74 DEG C are incubated 2 hours, be down to room temperature, obtain this water-borne acrylic resin.
Described silane coupling agent of stating is vinyltrimethoxy silane
Described nonionic emulsifying agent is fatty alcohol-polyoxyethylene ether
Described initiator is ammonium persulphate
The film forming performance of paint applying water-borne acrylic resin of the present invention preparation is superior, has superior water tolerance and resistance to low temperature.
Embodiment
Embodiment one
The synthetic method of water-borne acrylic resin of the present invention, step is as follows:
1. by pre-emulsification by prepolymer emulsification: butyl acrylate 2000 parts, ethyl propenoate 1000 parts, 50 parts, vinylformic acid, sodium lauryl sulphate 25 parts, nonionic emulsifying agent 30 parts and deionized water 100 parts stir.
2. in reactor, add sodium lauryl sulphate 5 parts, disodium ethylene diamine tetraacetate 0.05 part, hyaluronic acid 40 parts and deionized water 400 parts stir.
3. the prepolymer after pre-emulsification 800 parts is added reactor, be warming up to 50-60 DEG C, add initiator 10 parts, remaining prepolymer is dripped in reactor, be certainly warmed up to 74 DEG C, then drip silane coupling agent 40 parts, 74 DEG C are incubated 2 hours, are down to room temperature, obtain this water-borne acrylic resin.
Described silane coupling agent of stating is vinyltrimethoxy silane
Described nonionic emulsifying agent is fatty alcohol-polyoxyethylene ether
Described initiator is ammonium persulphate
Embodiment two
The synthetic method of water-borne acrylic resin of the present invention, step is as follows:
1. by pre-emulsification by prepolymer emulsification: butyl acrylate 3000 parts, ethyl propenoate 1500 parts, 100 parts, vinylformic acid, sodium lauryl sulphate 50 parts, nonionic emulsifying agent 50 parts and deionized water 150 parts stir.
2. in reactor, add sodium lauryl sulphate 10 parts, disodium ethylene diamine tetraacetate 0.1 part, hyaluronic acid 60 parts and deionized water 550 parts stir.
3. the prepolymer after pre-emulsification 800 parts is added reactor, be warming up to 50-60 DEG C, add initiator 20 parts, remaining prepolymer is dripped in reactor, be certainly warmed up to 74 DEG C, then drip silane coupling agent 60 parts, 74 DEG C are incubated 2 hours, are down to room temperature, obtain this water-borne acrylic resin.
Described silane coupling agent of stating is vinyltrimethoxy silane
Described nonionic emulsifying agent is fatty alcohol-polyoxyethylene ether
Described initiator is ammonium persulphate
Embodiment three
The synthetic method of water-borne acrylic resin of the present invention, step is as follows:
1. by pre-emulsification by prepolymer emulsification: butyl acrylate 2500 parts, ethyl propenoate 1250 parts, 75 parts, vinylformic acid, sodium lauryl sulphate 37.5 parts, nonionic emulsifying agent 40 parts and deionized water 125 parts stir,
2. in reactor, add sodium lauryl sulphate 7.5 parts, disodium ethylene diamine tetraacetate 0.075 part, hyaluronic acid 50 parts and deionized water 475 parts stir.
3. the prepolymer after pre-emulsification 800 parts is added reactor, be warming up to 50-60 DEG C, add initiator 15 parts, remaining prepolymer is dripped in reactor, be certainly warmed up to 74 DEG C, then drip silane coupling agent part 50 parts, 74 DEG C are incubated 2 hours, are down to room temperature, obtain this water-borne acrylic resin.
Described silane coupling agent of stating is vinyltrimethoxy silane
Described nonionic emulsifying agent is fatty alcohol-polyoxyethylene ether
Described initiator is ammonium persulphate
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., be all included within protection scope of the present invention.
Claims (5)
1. a low temperature resistant water-borne acrylic resin, is characterized in that, described acrylic resin is prepared from by each component of following mass fraction:
Sodium lauryl sulphate 30-60 part
Disodium ethylene diamine tetraacetate 0.05-0.1 part
Hyaluronic acid 40-60 part
Butyl acrylate 2000-3000 part
Ethyl propenoate 1000-1500 part
Vinylformic acid 50-100 part
Silane coupling agent 40-60 part
Nonionic emulsifying agent 30-50 part
Initiator 10-20 part
Deionized water 500-700 part.
2. low temperature resistant water-borne acrylic resin according to claim 1, is characterized in that, described in state silane coupling agent be vinyltrimethoxy silane.
3. low temperature resistant water-borne acrylic resin according to claim 1, is characterized in that, described nonionic emulsifying agent is fatty alcohol-polyoxyethylene ether.
4. low temperature resistant water-borne acrylic resin according to claim 1, is characterized in that, described initiator is ammonium persulphate.
5. prepare the method as the low temperature resistant water-borne acrylic resin of claim 1-4 as described in one of them, it is characterized in that, its step is as follows:
(1) by pre-emulsification by prepolymer emulsification: butyl acrylate 2000-3000 part, ethyl propenoate 1000-1500 part, vinylformic acid 50-100 part, sodium lauryl sulphate 25-50 part, nonionic emulsifying agent 30-50 part and deionized water 100-150 part stir
(2) in reactor, add sodium lauryl sulphate 5-10 part, disodium ethylene diamine tetraacetate 0.05-0.1 part, hyaluronic acid 40-60 part and deionized water 400-550 part stir;
(3) prepolymer after pre-emulsification 800 parts is added reactor, be warming up to 50-60 DEG C, add initiator 10-20 part, remaining prepolymer is dripped in reactor, from being warmed up to 74 DEG C, then drip silane coupling agent 40-60 part, 74 DEG C are incubated 2 hours, be down to room temperature, obtain this water-borne acrylic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561185.8A CN105085789A (en) | 2015-09-07 | 2015-09-07 | Low-temperature-resistant water-based acrylic resin and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510561185.8A CN105085789A (en) | 2015-09-07 | 2015-09-07 | Low-temperature-resistant water-based acrylic resin and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915807A (en) * | 2017-10-31 | 2018-04-17 | 华南理工大学 | A kind of micro-cross-linked low temperature resistant acrylic rubber raw rubber and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003335806A (en) * | 2002-05-17 | 2003-11-28 | Asahi Kasei Corp | High durability emulsion and method for producing the same |
| CN101121770A (en) * | 2006-08-11 | 2008-02-13 | 上海市涂料研究所 | Water acrylic resin and preparing method thereof |
| CN102952443A (en) * | 2011-08-30 | 2013-03-06 | 湖南晟通科技集团有限公司 | Waterborne coating |
| CN103497274A (en) * | 2013-09-03 | 2014-01-08 | 山东天庆科技发展有限公司 | Aqueous acrylic resin and preparation method thereof |
-
2015
- 2015-09-07 CN CN201510561185.8A patent/CN105085789A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003335806A (en) * | 2002-05-17 | 2003-11-28 | Asahi Kasei Corp | High durability emulsion and method for producing the same |
| CN101121770A (en) * | 2006-08-11 | 2008-02-13 | 上海市涂料研究所 | Water acrylic resin and preparing method thereof |
| CN102952443A (en) * | 2011-08-30 | 2013-03-06 | 湖南晟通科技集团有限公司 | Waterborne coating |
| CN103497274A (en) * | 2013-09-03 | 2014-01-08 | 山东天庆科技发展有限公司 | Aqueous acrylic resin and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915807A (en) * | 2017-10-31 | 2018-04-17 | 华南理工大学 | A kind of micro-cross-linked low temperature resistant acrylic rubber raw rubber and preparation method thereof |
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Application publication date: 20151125 |
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