Coating material thickener preparation method

A coating thickener and quality technology, applied in the field of coating thickener preparation, can solve problems such as poor leveling stability, kerosene flammability, environmental pollution, etc., achieve low pollution and waste of resources, and achieve low leveling properties. And the effect of good stability and obvious thickening effect

Inactive Publication Date: 2016-02-03
CHANGSHU MIAOQUAN SHENGDA AUX FACTORY
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

In the past, a slurry composed of kerosene, water and an emulsifier was used as a pigment printing thickener, but due to the flammability of kerosene, environ

Method used

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Examples

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Embodiment Construction

[0010] The specific implementation of the present invention will be further described below in conjunction with the examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0011] The technical scheme of concrete implementation of the present invention is:

[0012] A preparation method of a paint thickener, comprising the steps of:

[0013] 1) Mix 1 part by mass of Span S-80, 3 parts by mass of hydroxymethyl cellulose, 0.1 parts by mass of azobisisobutyronitrile, 3 parts by mass of cetyl methacrylate, 1 part by mass of liquid paraffin and 7 parts by mass of Mix xylene evenly to form an oil phase;

[0014] 2) Take 10 parts by mass of acrylic acid and add ammonia water to neutralize to pH: 6.5~7, then add 2 parts by mass of N,N-methylenebisacrylamide, 2.5 parts by mass of acrylamide, and then add 3.5 parts by mass of distilled water and stir well ...

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PUM

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Abstract

The present invention discloses a coating material thickener preparation method, which is characterized by comprising: 1) uniformly mixing 1 part by mass of span S-80, 3 parts by mass of hydroxymethyl cellulose, 0.1 part by mass of azobisisobutyronitrile, 3 parts by mass of metacrylic acid hexadecaester, 1 part by mass of liquid paraffin, and 7 parts by mass of xylene to form an oil phase; 2) taking 10 parts by mass of acrylic acid, adding to ammonia water, neutralizing to achieve the PH value of 6.5-7, adding 2 parts by mass of N,N-methylene bisacrylamide, 2.5 parts by mass of acrylamide, and 3.5 parts by mass of distilled water, and uniformly stirring to form a water phase; 3) adding the water phase to the oil phase, stirring for 2 h, heating to a temperature of 100 DEG C under nitrogen protection, initiating a polymerization reaction, and carrying out pressure reducing azeotrope after carrying out the reaction for 8 h to remove water and xylene so as to obtain a polymer latex; and 4) adding 5 parts by mass of sorbitan monooleate polyoxyethylene ether to the polymer latex to obtain the coating material thickener. According to the present invention, the prepared coating material thickener has characteristics of significant thickening effect, good leveling property, good stability, low environmental pollution, and low waste of resources.

Description

technical field [0001] The invention relates to a method for preparing a thickener, in particular to a method for preparing a paint thickener. Background technique [0002] Adding a thickener to the paint can increase the viscosity of the paint, make the pigment precipitate slowly, and make it easy to stir evenly, thereby ensuring the storage stability of the paint. The addition of thickener can make the paint have a certain consistency and thixotropy, save labor during construction, reduce dripping and sagging during application, and ensure the appearance and quality of the paint layer. In the past, a slurry composed of kerosene, water and an emulsifier was used as a pigment printing thickener, but due to the flammability of kerosene, environmental pollution and waste of resources, its use has been greatly limited, and such Coating thickeners generally have the problems of poor leveling and stability. Contents of the invention [0003] The object of the present inventio...

Claims

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Application Information

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IPC IPC(8): C09D7/12C08F220/06C08F222/38C08F220/56C08F220/18C08F2/30
Inventor 严佳
Owner CHANGSHU MIAOQUAN SHENGDA AUX FACTORY
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