Coating thickener

A paint thickener and raw material technology, applied in the field of paint thickeners, can solve problems such as poor stability, achieve good stability, less residual monomers, and good compatibility

Inactive Publication Date: 2015-06-10
徐饶春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of paint thickener, this paint thickener can solve the poor stability problem of existing paint thickener

Method used

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  • Coating thickener

Examples

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Comparison scheme
Effect test

Embodiment 1

[0014] The paint thickener of this embodiment is prepared from the following raw materials in parts by weight: 25 parts of acrylic acid, 20 parts of hydroxyethyl cellulose, 10 parts of stearic acid, 2 parts of sodium dodecylbenzenesulfonate, cumene 0.2 parts of hydrogen peroxide, 80 parts of No. 150 mineral spirits.

[0015] The preparation method of the paint thickener in this example is as follows: Weigh the above-mentioned raw materials in parts by weight, add hydroxyethyl cellulose, stearic acid and acrylic acid to No. 150 solvent oil, stir evenly, and then add lauryl Sodium benzenesulfonate and cumene hydroperoxide, stirred for 2 hours, left to stand until the mixed solution is fully mixed to obtain a paint thickener.

Embodiment 2

[0017] The paint thickener of this embodiment is prepared from the following raw materials in parts by weight: 30 parts of acrylic acid, 15 parts of hydroxyethyl cellulose, 15 parts of stearic acid, 5 parts of sodium dodecylbenzenesulfonate, cumene 2 parts of hydrogen peroxide, 90 parts of No. 150 solvent naphtha.

[0018] The preparation method of the paint thickener in this example is as follows: Weigh the above-mentioned raw materials in parts by weight, add hydroxyethyl cellulose, stearic acid and acrylic acid to No. 150 solvent oil, stir evenly, and then add lauryl Sodium benzenesulfonate and cumene hydroperoxide were stirred for 3 hours, and left to stand until the mixed solution was fully mixed to obtain a paint thickener.

Embodiment 3

[0020] The paint thickener in this example is prepared from the following raw materials in parts by weight: 35 parts of acrylic acid, 25 parts of hydroxyethyl cellulose, 20 parts of stearic acid, 7 parts of sodium dodecylbenzenesulfonate, tert-butyl 4 parts of hydrogen peroxide, 100 parts of No. 100 solvent naphtha.

[0021] The preparation method of the paint thickener in this example is as follows: Weigh the above-mentioned raw materials in parts by weight respectively, add hydroxyethyl cellulose, stearic acid and acrylic acid to No. 100 solvent oil, stir evenly, and then add lauryl Sodium benzenesulfonate and tert-butyl hydroperoxide were stirred for 2.5 hours, and left to stand until the mixed solution was fully mixed to obtain a paint thickener.

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Abstract

The invention discloses a coating thickener which is prepared from the following raw materials in parts by weight: 25-35 parts of acrylic acid, 15-25 parts of hydroxyethyl cellulose, 10-20 parts of stearic acid, 2-7 parts of sodium dodecyl benzene sulfonate, 0.2-4 parts of an initiator and 80-100 parts of solvent oil. The coating thickener disclosed by the invention is remarkable in thickening effect, can be combined with various coatings, is few in residual monomer and has a self-thickening property, and the thickener is convenient in color base preparation, good in stability, free of crust on the surface and good in compatibility with coatings and has good stability.

Description

technical field [0001] The invention relates to the technical field of thickeners, in particular to 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. [0003] Ideally, the sedimentation velocity of the pigment and filler particles in the coating is proportional to the square of the particle radius, proportional to the density difference between the particle and the liquid, and inversely proportional to the viscosity of the liquid; while the flow of the coating on the vertical plane The hanging velocity is inversely proportional to the viscosity of the paint and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/12C08F251/02C08F220/06
CPCC08F251/02C09D7/43C08F220/06
Inventor 徐饶春
Owner 徐饶春
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