CN106632815A - High-elasticity polyacrylic latex and preparation method thereof - Google Patents
High-elasticity polyacrylic latex and preparation method thereof Download PDFInfo
- Publication number
- CN106632815A CN106632815A CN201610914104.2A CN201610914104A CN106632815A CN 106632815 A CN106632815 A CN 106632815A CN 201610914104 A CN201610914104 A CN 201610914104A CN 106632815 A CN106632815 A CN 106632815A
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- parts
- latex
- oil phase
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- acrylate
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/30—Emulsion polymerisation with the aid of emulsifying agents non-ionic
Abstract
The invention relates to high-elasticity polyacrylic latex and a preparation method thereof and belongs to the technical field of polyacrylic latexes. The polyacrylic latex is made from, by weight, 0.5-1 part of ethyleneglycol dimethacrylate, 30-50 parts of acrylic acid isoamyl ester, 20-30 parts of dodecyl acrylate, 5-10 parts of butyl acrylate, 3-5 parts of styrene, 2-3 parts of hydroxymethyl acrylamide, 0.5-1.0 part of sodium bicarbonate, 0.5-1.0 part of potassium persulfate, 80-100 parts of deionized water, 3-5 parts of emulsifying agent OP-10, and 1-2 parts of sodium lauryl sulfate. High-elasticity acrylic latex with good weatherability is prepared mainly from acrylic system with good weathering aging resistance through emulsion polymerizing technology; the latex is applicable to the preparation of acrylic waterproof materials. The polymer emulsion prepared herein is up to 500% and above in elongation at break.
Description
Technical field
The present invention relates to a kind of polyacrylic acid latex and preparation method thereof, it is more particularly related to a kind of high-elastic
Property polyacrylic acid latex and preparation method thereof, belongs to polyacrylic acid latex technical field.
Background technology
With the continuous deterioration of environmental condition, the restriction to the macromolecular material containing organic solvent is more and more stricter.And by
There is the excellent feature of environmental protection in aqueous poly- latex so as to greatly weighed in the application of the aspects such as various coating, waterproof material
Depending on.Further, since conventional waterproof material combination property is poor, and it is especially elastic poor, have a strong impact on its use.
The content of the invention
Present invention seek to address that the poor problem of the waterproof material elasticity of polyacrylic acid latex application in prior art, there is provided
A kind of high resiliency polyacrylic acid latex, the polyacrylic acid latex has elastomeric feature.
In order to realize foregoing invention purpose, its specific technical scheme is as follows：
A kind of high resiliency polyacrylic acid latex, it is characterised in that：Including following raw materials by weight：
GDMA 0.5-1 parts
Isoamyl acrylate and ester 30-50 parts
Dodecyl acrylate 20-30 parts
Butyl acrylate 5-10 parts
Styrene 3-5 parts
NMA 2-3 parts
Carbon acid sodium 0.5-1.0 parts
Potassium peroxydisulfate 0.5-1.0 parts
Deionized water 80-100 part
OP-10 emulsifying agent 3-5 parts
Lauryl sodium sulfate 1-2 part.
A kind of preparation method of high resiliency polyacrylic acid latex, it is characterised in that：Comprise the following steps that：
A, GDMA, isoamyl acrylate and ester, dodecyl acrylate, propylene are weighed according to recipe requirements
Acid butyl ester, styrene, NMA are in beaker and fully mix to obtain oil phase；
B, in tool stirring there-necked flask according to recipe requirements add deionized water, lauryl sodium sulfate, OP-10 emulsifying agents；Open
It is dynamic stirring emulsifying agent is fully dissolved water phase；
C, the oil phase for preparing in advance is added in there-necked flask；Accelerate mixing speed, oil phase is emulsified in water phase；Will
Temperature of reaction system rises to 30-35 DEG C；
D, start to be slowly added dropwise initiator carbon acid sodium, the potassium persulfate solution for preparing in advance；After polymerisation heat release terminates,
70-75 DEG C of insulation 2-4h；
E, 80-85 DEG C of insulation 3-5h, 90-95 DEG C of insulation 2-4h, cools the temperature to 30-40 DEG C；Go out emulsion with filter-cloth filtering to obtain final product
Product.
In step C, the emulsification times for making oil phase be emulsified in water phase are 0.5-1h to the present invention.
The Advantageous Effects that the present invention brings：
The present invention adopts emulsion polymerization technique, with anti-weathering aging ability preferably acrylic system as main constituents, system
For with preferable against weather, tenacity acrylic system latex.The latex can apply to the system of acrylic type water-proof material
It is standby.The elongation at break of polymer emulsion prepared by the present invention is up to more than 500%.
Specific embodiment
Embodiment 1
A kind of high resiliency polyacrylic acid latex, including following raw materials by weight：
0.5 part of GDMA
30 parts of isoamyl acrylate and ester
20 parts of dodecyl acrylate
5 parts of butyl acrylate
3 parts of styrene
2 parts of NMA
0.5 part of carbon acid sodium
0.5 part of potassium peroxydisulfate
80 parts of deionized water
3 parts of OP-10 emulsifying agents
1 part of lauryl sodium sulfate.
Embodiment 2
A kind of high resiliency polyacrylic acid latex, including following raw materials by weight：
1 part of GDMA
50 parts of isoamyl acrylate and ester
30 parts of dodecyl acrylate
10 parts of butyl acrylate
5 parts of styrene
3 parts of NMA
1.0 parts of carbon acid sodium
1.0 parts of potassium peroxydisulfate
100 parts of deionized water
5 parts of OP-10 emulsifying agents
2 parts of lauryl sodium sulfate.
Embodiment 3
A kind of high resiliency polyacrylic acid latex, including following raw materials by weight：
0.75 part of GDMA
40 parts of isoamyl acrylate and ester
25 parts of dodecyl acrylate
7.5 parts of butyl acrylate
4 parts of styrene
2.5 parts of NMA
0.75 part of carbon acid sodium
0.75 part of potassium peroxydisulfate
90 parts of deionized water
4 parts of OP-10 emulsifying agents
1.5 parts of lauryl sodium sulfate.
Embodiment 4
A kind of preparation method of high resiliency polyacrylic acid latex, comprises the following steps that：
A, GDMA, isoamyl acrylate and ester, dodecyl acrylate, propylene are weighed according to recipe requirements
Acid butyl ester, styrene, NMA are in beaker and fully mix to obtain oil phase；
B, in tool stirring there-necked flask according to recipe requirements add deionized water, lauryl sodium sulfate, OP-10 emulsifying agents；Open
It is dynamic stirring emulsifying agent is fully dissolved water phase；
C, the oil phase for preparing in advance is added in there-necked flask；Accelerate mixing speed, oil phase is emulsified in water phase；Will
Temperature of reaction system rises to 30 DEG C；
D, start to be slowly added dropwise initiator carbon acid sodium, the potassium persulfate solution for preparing in advance；After polymerisation heat release terminates,
70 DEG C of insulation 2h；
E, 80 DEG C of insulation 3h, 90 DEG C of insulation 2h cool the temperature to 30 DEG C；Go out emulsion with filter-cloth filtering and obtain final product product.
Preferably, in step C, the emulsification times for making oil phase be emulsified in water phase are 0.5h.
Embodiment 5
A kind of preparation method of high resiliency polyacrylic acid latex, comprises the following steps that：
A, GDMA, isoamyl acrylate and ester, dodecyl acrylate, propylene are weighed according to recipe requirements
Acid butyl ester, styrene, NMA are in beaker and fully mix to obtain oil phase；
B, in tool stirring there-necked flask according to recipe requirements add deionized water, lauryl sodium sulfate, OP-10 emulsifying agents；Open
It is dynamic stirring emulsifying agent is fully dissolved water phase；
C, the oil phase for preparing in advance is added in there-necked flask；Accelerate mixing speed, oil phase is emulsified in water phase；Will
Temperature of reaction system rises to 35 DEG C；
D, start to be slowly added dropwise initiator carbon acid sodium, the potassium persulfate solution for preparing in advance；After polymerisation heat release terminates,
75 DEG C of insulation 4h；
E, 85 DEG C of insulation 5h, 95 DEG C of insulation 4h cool the temperature to 40 DEG C；Go out emulsion with filter-cloth filtering and obtain final product product.
Preferably, in step C, the emulsification times for making oil phase be emulsified in water phase are 1h.
Embodiment 6
A kind of preparation method of high resiliency polyacrylic acid latex, comprises the following steps that：
A, GDMA, isoamyl acrylate and ester, dodecyl acrylate, propylene are weighed according to recipe requirements
Acid butyl ester, styrene, NMA are in beaker and fully mix to obtain oil phase；
B, in tool stirring there-necked flask according to recipe requirements add deionized water, lauryl sodium sulfate, OP-10 emulsifying agents；Open
It is dynamic stirring emulsifying agent is fully dissolved water phase；
C, the oil phase for preparing in advance is added in there-necked flask；Accelerate mixing speed, oil phase is emulsified in water phase；Will
Temperature of reaction system rises to 32.5 DEG C；
D, start to be slowly added dropwise initiator carbon acid sodium, the potassium persulfate solution for preparing in advance；After polymerisation heat release terminates,
72.5 DEG C of insulation 3h；
E, 82.5 DEG C of insulation 4h, 92.5 DEG C of insulation 3h cool the temperature to 35 DEG C；Go out emulsion with filter-cloth filtering and obtain final product product.
Preferably, in step C, the emulsification times for making oil phase be emulsified in water phase are 0.75h.
Claims (3)
1. a kind of high resiliency polyacrylic acid latex, it is characterised in that：Including following raw materials by weight：
GDMA 0.5-1 parts
Isoamyl acrylate and ester 30-50 parts
Dodecyl acrylate 20-30 parts
Butyl acrylate 5-10 parts
Styrene 3-5 parts
NMA 2-3 parts
Carbon acid sodium 0.5-1.0 parts
Potassium peroxydisulfate 0.5-1.0 parts
Deionized water 80-100 part
OP-10 emulsifying agent 3-5 parts
Lauryl sodium sulfate 1-2 part.
2. the preparation method of a kind of high resiliency polyacrylic acid latex according to claim 1, it is characterised in that：Including following
Processing step：
A, GDMA, isoamyl acrylate and ester, dodecyl acrylate, propylene are weighed according to recipe requirements
Acid butyl ester, styrene, NMA are in beaker and fully mix to obtain oil phase；
B, in tool stirring there-necked flask according to recipe requirements add deionized water, lauryl sodium sulfate, OP-10 emulsifying agents；Open
It is dynamic stirring emulsifying agent is fully dissolved water phase；
C, the oil phase for preparing in advance is added in there-necked flask；Accelerate mixing speed, oil phase is emulsified in water phase；Will
Temperature of reaction system rises to 30-35 DEG C；
D, start to be slowly added dropwise initiator carbon acid sodium, the potassium persulfate solution for preparing in advance；After polymerisation heat release terminates,
70-75 DEG C of insulation 2-4h；
E, 80-85 DEG C of insulation 3-5h, 90-95 DEG C of insulation 2-4h, cools the temperature to 30-40 DEG C；Go out emulsion with filter-cloth filtering to obtain final product
Product.
3. the preparation method of a kind of high resiliency polyacrylic acid latex according to claim 2, it is characterised in that：In step C
In, the emulsification times for making oil phase be emulsified in water phase are 0.5-1h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914104.2A CN106632815A (en) | 2016-10-20 | 2016-10-20 | High-elasticity polyacrylic latex and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914104.2A CN106632815A (en) | 2016-10-20 | 2016-10-20 | High-elasticity polyacrylic latex and preparation method thereof |
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| CN106632815A true CN106632815A (en) | 2017-05-10 |
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| CN201610914104.2A Pending CN106632815A (en) | 2016-10-20 | 2016-10-20 | High-elasticity polyacrylic latex and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070738A (en) * | 2010-11-30 | 2011-05-25 | 山东电力研究院 | Preparation method of hydroxyl group-containing functional monomer modified acrylate copolymer emulsion |
| CN102140149A (en) * | 2010-12-30 | 2011-08-03 | 长兴化学工业(中国)有限公司 | Aqueous emulsion composition, and emulsion resin prepared by using same and use thereof |
| CN102585072A (en) * | 2012-01-11 | 2012-07-18 | 南京瑞固聚合物有限公司 | Room temperature self-crosslinking acrylic ester emulsion |
| CN103772593A (en) * | 2013-12-09 | 2014-05-07 | 何小刚 | Crylic acid elastic latex and preparation method thereof |
-
2016
- 2016-10-20 CN CN201610914104.2A patent/CN106632815A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070738A (en) * | 2010-11-30 | 2011-05-25 | 山东电力研究院 | Preparation method of hydroxyl group-containing functional monomer modified acrylate copolymer emulsion |
| CN102140149A (en) * | 2010-12-30 | 2011-08-03 | 长兴化学工业(中国)有限公司 | Aqueous emulsion composition, and emulsion resin prepared by using same and use thereof |
| CN102585072A (en) * | 2012-01-11 | 2012-07-18 | 南京瑞固聚合物有限公司 | Room temperature self-crosslinking acrylic ester emulsion |
| CN103772593A (en) * | 2013-12-09 | 2014-05-07 | 何小刚 | Crylic acid elastic latex and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 代少俊 等: "《涂料与黏合剂》", 31 August 2014, 江苏大学出版社 * |
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Application publication date: 20170510 |