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Acrylic emulsion for chassis armor coating and preparation method of acrylic emulsion

A technology of acrylic emulsion and methyl methacrylate, which is applied in the field of acrylic emulsion for chassis armor coatings and its preparation, can solve the problems of acid resistance, alkali resistance, and engine oil resistance at the same time, and achieve good acid resistance.

Inactive Publication Date: 2017-04-19
郑州安邦达水性材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing coatings use acrylic emulsion as a raw material. However, the current acrylic emulsion cannot have the properties of acid resistance, alkali resistance, and engine oil resistance at the same time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An acrylic emulsion for chassis armor coating, calculated in parts by weight, including the following raw materials:

[0028] 28 parts of seed emulsion, 398 parts of butyl acrylate, 351 parts of isooctyl acrylate, 210 parts of methyl methacrylate, 550 parts of styrene, 23 parts of acrylic acid, 6 parts of sodium alkyl polyoxyethylene sulfonate, 3-( Methacryloxy) propyltrimethoxysilane 23 parts, ammonium sulfate 5.5 parts, oxidation-reduction initiator system 1.6 parts, sodium dithionite 0.9 parts, ferrous sulfate 0.023 parts, ammonia water 18 parts, chloromethyl isothiazole 4 parts of linone and 818 parts of water, wherein the oxidation-reduction initiator system includes 0.4 part of tert-butyl hydroperoxide-0.2 part of sodium formaldehyde sulfoxylate and 0.2 part of tert-butyl hydroperoxide-0.8 part of isoascorbic acid. The seed emulsion has a solid content of 50% and is made of methyl methacrylate, isooctyl acrylate and acrylic acid.

[0029] Preparation:

[0030] It inclu...

Embodiment 2

[0036] An acrylic emulsion for chassis armor coating, calculated in parts by weight, including the following raw materials:

[0037] 25 parts of seed emulsion, 395 parts of butyl acrylate, 348 parts of isooctyl acrylate, 205 parts of methyl methacrylate, 560 parts of styrene, 25 parts of acrylic acid, 7 parts of sodium alkyl polyoxyethylene sulfonate, 3-( Methacryloxy) propyltrimethoxysilane 25 parts, potassium sulfate 6.5 parts, oxidation-reduction initiator system 1.3 parts, sodium dithionite 0.8 parts, ferrous sulfate 0.020 parts, ammonia water 16 parts, chloromethyl isothiazole 3 parts of linone and 768 parts of water, wherein the oxidation-reduction initiator system includes 0.3 parts of tert-butyl hydroperoxide-0.15 parts of sodium formaldehyde sulfoxylate and 0.15 parts of tert-butyl hydroperoxide-0.7 parts of isoascorbic acid. The seed emulsion has a solid content of 52% and is made of methyl methacrylate, isooctyl acrylate and acrylic acid.

[0038] Preparation:

[0039] I...

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PUM

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Abstract

The invention discloses acrylic emulsion for a chassis armor coating and a preparation method of the acrylic emulsion. The acrylic emulsion is prepared from raw materials in parts by weight as follows: 25-30 parts of seed emulsion, 395-405 parts of butyl acrylate, 348-354 parts of 2-ethylhexyl acrylate, 205-215 parts of methyl methacrylate, 540-560 parts of styrene, 20-25 parts of acrylic acid, 4-7 parts of an emulsifier, 20-25 parts of acrylic acid functional monomers, 4.5-6.5 parts of a thermolysis initiator, 1.3-1.9 parts of an oxidation-reduction initiator system, 0.8-1.0 part of sodium hydrosulfite, 0.020-0.025 parts of an accelerant, 16-20 parts of a pH regulator and 768-867 parts of water, wherein the oxidation-reduction initiator system is prepared from 0.85 -1.15 parts of an inorganic reducing agent and 0.45-0.75 parts of an oxidizing agent. The acrylic emulsion has excellent physical performance and overcomes the defect that common acrylic emulsion cannot have good acid resistance, alkali resistance and engine oil resistance simultaneously.

Description

Technical field [0001] The invention belongs to the technical field of acrylic emulsion, and specifically relates to an acrylic emulsion for chassis armor coating and a preparation method thereof. Background technique [0002] At present, the chassis armor on the market is divided into organic solvent type and elastic emulsion type chassis armor. The organic solvent type chassis armor contains a large amount of acetone, halogenated hydrocarbons, gasoline, thinner, toluene and other toxic solvents and asphalt and other carcinogens, and the smell is difficult. Smell, seriously endanger the health of production or maintenance personnel. Halogenated hydrocarbons have a destructive effect on the atmospheric ozone layer. Such products are easy to cause fires during production, storage and construction. Asphalt is easy to drip in summer when the temperature of the car bottom is high, and it emits harmful gases that penetrate into the car compartment and endanger the health of car owners...

Claims

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Application Information

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IPC IPC(8): C08F212/08C08F220/18C08F220/14C08F220/06C08F230/08C08F4/40C08F2/30C08F2/26C08K5/47C09D125/14
CPCC08F2/26C08F2/30C08F4/40C08F212/08C08K5/47C09D125/14C08F220/1804C08F220/1808C08F220/14C08F220/06C08F230/08
Inventor 孙天宝李晓东谢金彪
Owner 郑州安邦达水性材料有限公司
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