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Preparation method of water-based anti-stripping acrylic resin coating

A technology of acrylic ester and resin coatings, applied in coatings and other directions, can solve the problems of reducing coating viscosity, reducing peel strength, and easy to cause agglomeration, and achieve the effects of improving dispersion, increasing anti-peeling strength, and improving compatibility

Inactive Publication Date: 2017-12-19
YANTAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the preparation method, the raw materials are mixed, stirred and dispersed, which leads to poor compatibility between the filler and the resin, and easily causes the problem of agglomeration. At the same time, the N,N-bishydroxyethyl dodecylamide added in the invention It can improve the water solubility of acrylic resin, but it will reduce the viscosity of the coating and reduce the peel strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of water-based anti-peeling acrylic resin paint, it is made up of the raw material of following weight part:

[0033] Acrylic resin 270, anti-stripping emulsion 20, sodium myristate soap 3, 2-mercaptobenzimidazole 1, sucrose acetate isobutyrate 1, inorganic filler 30, maleic anhydride 2, 3-aminopropyl triethyl Oxysilane 2, Casein 2.

[0034] The inorganic filler is montmorillonite.

[0035] Described anti-stripping emulsion is made up of the following raw materials of weight part:

[0036] Ethoxylated Alkylphenol Ammonium Sulfate 2, Alcohol Esters Dodeca(2,2,4-Trimethyl-1,3-Pentanediol Monoisobutyrate) 20, Rosin 4-6, Trimethylol Propane 4, stearic acid 3, alkanolamide 1, pentaerythritol 12, p-toluenesulfonic acid 0.02, 3',4-dihydroxy-3,5'-dimethoxybibenzyl 0.3, 4-aminodiphenyl Methanone 0.5.

[0037] The preparation method of described anti-stripping emulsion comprises the following steps:

[0038] Take rosin, heat it to soften, add it to pentaerythritol, pu...

Embodiment 2

[0047] A kind of water-based anti-peeling acrylic resin paint, it is made up of the raw material of following weight part:

[0048] Acrylic resin 200, anti-stripping emulsion 10, sodium myristate soap 2, 2-mercaptobenzimidazole 0.5, sucrose acetate isobutyrate 1, inorganic filler 20, maleic anhydride 1, 3-aminopropyl triethyl Oxysilane 0.7, Casein 1.

[0049] The inorganic filler is diatomaceous earth.

[0050] Described anti-stripping emulsion is made up of the following raw materials of weight part:

[0051] Ethoxylated alkylphenol ammonium sulfate 1, alcohol ester dodeca 17, rosin 4, trimethylolpropane 3, stearic acid 2, alkanolamide 0.5, pentaerythritol 10, p-toluenesulfonic acid 0.01, 3' , 4-dihydroxy-3,5'-dimethoxybibenzyl 0.3, 4-aminobenzophenone 0.5.

[0052] The preparation method of described anti-stripping emulsion comprises the following steps:

[0053] Take rosin, heat it to soften, add it to pentaerythritol, put it into a constant temperature water bath at 80...

Embodiment 3

[0062] A water-based anti-stripping acrylic resin coating is characterized in that it is made from the raw materials of the following parts by weight:

[0063] Acrylic resin 235, anti-stripping emulsion 15, sodium myristate soap 2.5, 2-mercaptobenzimidazole 0.75, sucrose acetate isobutyrate 2, inorganic filler 25, maleic anhydride 1.5, 3-aminopropyl triethyl Oxysilane 1.35, casein 1.5.

[0064] The inorganic filler is one or a mixture of diatomite and montmorillonite. When it is a mixture, the weight ratio of diatomite and montmorillonite is 4.5:1.

[0065] Anti-stripping emulsion is made up of the following raw materials of weight part:

[0066] Ethoxylated alkylphenol ammonium sulfate 1.5, alcohol ester dodeca 18.5, rosin 5, trimethylolpropane 3.5, stearic acid 2.5, alkanolamide 0.75, pentaerythritol 11, p-toluenesulfonic acid 0.015, 3' , 4-dihydroxy-3,5'-dimethoxybibenzyl 0.3 and 4-aminobenzophenone 0.5.

[0067] Take rosin, heat it to soften, add it to pentaerythritol, ...

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PUM

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Abstract

The invention discloses a preparation method of a water-based anti-stripping acrylic resin coating. The water-based anti-stripping acrylic resin coating is prepared from the following raw materials in parts by weight: 200-270 parts of acrylic resin, 10-20 parts of an anti-stripping emulsion, 2-3 parts of sodium myrastate soap, 0.5-1 part of 2-mercapto benzimidazole, 1-3 parts of sucrose acetate isobutyrate, 20-30 parts of inorganic filler, 1-2 parts of maleic anhydride, 0.7-2 parts of 3-aminopropyl triethoxy silane and 1-2 parts of casein. The preparation method disclosed by the invention has the advantages that the organic filler is modified by virtue of amino silane, amination filler and hydrolysate containing maleic anhydride are mixed and react, and the sodium myrastate soap is added, so that the viscosity of reaction materials is further improved, and the peel strength of the coating is improved.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a preparation method of a water-based anti-stripping acrylic resin coating. Background technique [0002] Acrylic resin is light in color, water white and transparent, with excellent coating performance, good light resistance, weather resistance, heat resistance, baking resistance, chemical resistance and corrosion resistance. Therefore, coatings made of acrylic resins are widely used and of various types. The properties of coating products prepared by different types of acrylic resins are different, which is related to the composition and structure of acrylic resins. Compared with traditional solvent-based coatings, water-based coatings have the advantages of low price, safe use, saving resources and energy, reducing environmental pollution and public nuisance, and have become the main research and development direction of the current coatings industry. Water-based acrylic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D7/12
CPCC09D133/08C08L2205/03C08L2207/53C08L93/04C08L89/005C08K13/06C08K9/06C08K3/346C08K5/103C08K5/20
Inventor 段宝荣王全杰刁屾张萌萌王雪李运仇同济
Owner YANTAI UNIV
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