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Aqueous acrylic resin emulsion, preparation method, and coating composition thereof

A water-soluble acrylic and resin emulsion technology, applied in the direction of coating, etc., can solve the problems of poor water resistance, poor high temperature resistance, low paint film adhesion, etc., to achieve soft hand feel, good construction performance, paint film adhesion Good results

Inactive Publication Date: 2012-03-14
浙江明泉新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional water-soluble acrylic resin coatings have disadvantages such as poor high temperature resistance, low paint film adhesion, and poor water resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Methyl methacrylate 11.7

[0037] Butyl acrylate 23.3

[0038] Hydroxy Acrylic 5

[0039] Methacrylamide 4

[0040] Azobisisobutyronitrile 0.8

[0041] Amino-2-methyl-1-propanol 5

[0042] Mercaptoethanol 1

[0043] Propylene glycol monobutyl ether 20.5

[0044] Ethylene glycol monobutyl ether 5.5

[0045] Deionized water 8

[0046] Preparation:

[0047] (1) Add weighed propylene glycol monobutyl ether and ethylene glycol monobutyl ether to the reaction device system equipped with a stirrer, reflux condenser, thermometer and dropping funnel, and then add the total amount of azoisobutyronitrile used. 1 / 3 of the weight part, the temperature is raised to 105°C;

[0048] (2) dropwise add weighed methyl methacrylate, butyl acrylate, hydroxyacrylic acid and methacrylamide, mercaptoethanol, the total drop time is 2.5 hours;

[0049] (3) After insulated and refluxed for 4 hours, add the weighed amino-2-methyl-1-propanol and remaining azoisobutyronitrile (2 / 3 of the to...

Embodiment 2

[0052] Methyl methacrylate 11.9

[0053] Butyl acrylate 22.3

[0054] Hydroxy Acrylic 4

[0055] Methacrylamide 3.5

[0056] Azobisisobutyronitrile 0.68

[0057] Amino-2-methyl-1-propanol 5

[0058] Mercaptoethanol 0.5

[0059] Propylene glycol monobutyl ether 21

[0060] Ethylene glycol monobutyl ether 6

[0061] Deionized water 9

[0062] Preparation:

[0063] (1) Add weighed propylene glycol monobutyl ether and ethylene glycol monobutyl ether to the reaction device system equipped with a stirrer, reflux condenser, thermometer and dropping funnel, and then add the total amount of azoisobutyronitrile used. 1 / 3 of the weight part, the temperature is raised to 110°C;

[0064] (2) Add the weighed methyl methacrylate, butyl acrylate, hydroxyacrylic acid and methacrylamide, mercaptoethanol dropwise successively, and the total dropping time is 2 hours;

[0065] (3) After insulated and refluxed for 4 hours, add the weighed amino-2-methyl-1-propanol and remaining azoisobuty...

Embodiment 3

[0068] Methyl methacrylate 12.2

[0069] Butyl acrylate 22.8

[0070] Hydroxy acrylic acid 4.6

[0071] Methacrylamide 3.7

[0072] Azobisisobutyronitrile 0.76

[0073] Amino-2-methyl-1-propanol 5

[0074] Mercaptoethanol 0.7

[0075] Propylene glycol monobutyl ether 20.5

[0076] Ethylene glycol monobutyl ether 5.5

[0077] Deionized water 10

[0078] The preparation method is the same as in Example 2.

[0079]The properties of the acrylic resin emulsions of Examples 1-3 are shown in Table 1.

[0080] The performance of the acrylic resin emulsion of table 1 embodiment 1-3

[0081] project

[0082] Water-soluble coating coating embodiment

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PUM

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Abstract

The present invention relates to an aqueous acrylic resin emulsion, a preparation method, and an application of the aqueous acrylic resin emulsion in a coating material. Polymerization raw materials of the aqueous acrylic resin emulsion comprise the following components: methyl methacrylate, butyl acrylate, hydroxyl acrylic, methyl acrylamide, azobisisobutylnitrile, amino-2-methyl-1-propanol, mercaptoethanol, propylene glycol monobutyl ether, ethylene glycol monobutyl ether and deionized water. The aqueous acrylic resin emulsion is prepared by adding the azobisisobutylnitrile in batch. An aqueous plating coating material adopting the aqueous acrylic resin emulsion as the base resin is further prepared.

Description

technical field [0001] The invention belongs to the technical field of polymer emulsion polymerization, and in particular relates to a water-soluble acrylic resin emulsion, a preparation method and its application in paint. Background technique [0002] Copolymers synthesized from monomers such as acrylates and methacrylates are called acrylic resins, and coatings that use them as film-forming base materials are called acrylic resin coatings. This type of coating has the advantages of light color, color retention, gloss retention, weather resistance, corrosion resistance and pollution resistance, and has been widely used in automobiles, aircrafts, machinery, electronics, furniture, construction, leather finishing, papermaking, printing and dyeing, wood processing, industrial Finishing of plastics and daily necessities. In terms of coating dosage forms, there are mainly solvent-based coatings, water-based coatings, high-solid component coatings and powder coatings. Compared...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C08F220/14C08F220/04C08F220/56C09D133/08C09D161/32
Inventor 胡德银邢德
Owner 浙江明泉新材料科技有限公司
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