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Conductive water-based white primer for plastic base material and preparation method thereof

A white primer, water-based technology, applied in the direction of primer, conductive paint, coating, etc., can solve the problems of low utilization rate and non-conductive properties of the back paint, and achieve the effect of reducing static electricity, good adhesion, and wide application Effect

Inactive Publication Date: 2020-12-25
DONGLAI COATING TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention does not have conductive properties, and the utilization rate of subsequent paint construction is not high

Method used

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  • Conductive water-based white primer for plastic base material and preparation method thereof
  • Conductive water-based white primer for plastic base material and preparation method thereof
  • Conductive water-based white primer for plastic base material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A kind of preparation that is used for the conductive water-based white primer of plastic substrate, specifically comprises the following steps:

[0047] Weighing of components:

[0048]

[0049] Preparation of component A:

[0050] (1) Add 7.5 parts of methyl methacrylate and 8 parts of butyl acrylate to the kettle, and raise the temperature after mixing; then add 6 parts of butyl methacrylate, 14 parts of acrylic acid-β- Hydroxypropyl ester, 4 parts of styrene, 4 parts of acrylonitrile, 5 parts of methacrylic acid, 1.5 parts of glycidyl methacrylate, 0.5 parts of mercaptoethanol, 0.7 parts of azobisisobutyronitrile, 9.5 parts of n-butanol, 3.5 parts part of ethanol, continue to react, then lower the temperature; add 5.3 parts of dimethylethanolamine under full stirring, then add 30.5 parts of deionized water under high shear, finally obtain water-based acrylic resin;

[0051] (2) Calculate the amount required for each material of A according to the amount of disp...

Embodiment 2

[0061] A conductive water-based white primer for plastic substrates, the preparation steps of which are as follows:

[0062] (1) Preparation of water-based acrylic resin: Add 7.5 parts of methyl methacrylate and 8 parts of butyl acrylate into the reactor, and raise the temperature to 115°C after mixing; then add 6 parts of methacrylic acid into the reactor Butyl ester, 14 parts of β-hydroxypropyl acrylate, 4 parts of styrene, 4 parts of acrylonitrile, 5 parts of methacrylic acid, 1.5 parts of glycidyl methacrylate, 0.5 parts of mercaptoethanol, 0.7 parts of azobisisobutyl Nitrile, 9.5 parts of n-butanol, 3.5 parts of ethanol, continue to react for 8 hours, then lower the temperature to 65°C; fully stir at 300 rpm, add 5.3 parts of dimethylethanolamine, and then add 30.5 parts of deionized water under high shear at 1000 rpm , finally get water-based acrylic resin;

[0063] (2) Preparation of component A: weigh 20 parts of YIPAQUE FT-3000, 10.3 parts of ELEMENTIS DAPRO DF 11810...

Embodiment 3

[0069] A conductive water-based white primer for plastic substrates, the preparation steps of which are as follows:

[0070] (1) Preparation of water-based acrylic resin: add 7.5 parts of methyl methacrylate and 8 parts of butyl acrylate into the reactor, and raise the temperature to 110°C after mixing; then add 6 parts of methacrylic acid into the reactor Butyl ester, 14 parts of β-hydroxypropyl acrylate, 4 parts of styrene, 4 parts of acrylonitrile, 5 parts of methacrylic acid, 1.5 parts of glycidyl methacrylate, 0.5 parts of mercaptoethanol, 0.7 parts of azobisisobutyl Nitrile, 9.5 parts of n-butanol, 3.5 parts of ethanol, continue to react for 12 hours, then cool down to 60°C; fully stir at 400rpm, add 5.3 parts of dimethylethanolamine, and then add 30.5 parts of deionized water under high shear at 900rpm , finally get water-based acrylic resin;

[0071] (2) Preparation of component A: Weigh 25 parts of YIPAQUE FT-3000, 10.2 parts of ELEMENTIS DAPRO DF 11810, 2 parts of N...

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Abstract

The invention relates to a conductive water-based white primer for a plastic base material and a preparation method thereof .The conductive water-based white primer comprises a component A and a component B. The component A comprises, by weight, 20-25 parts of titanium dioxide, 0.1-0.3 part of defoamer A, 1-3 parts of dispersing agent, 15-30 parts of deionized water, 40-50 parts of water-based acrylic resin, 0.3-0.8 part of leveling agent, 1-2 parts of extinction powder, 0.2-0.5 part of a defoaming agent B, 3-5 parts of a slow drying agent, 0.1-0.3 part of a neutralizing agent and 0.5-1 part of a thickening agent; the component B comprises the following components in parts by weight: 75-85 parts of a water-based curing agent and 15-25 parts of a solvent; and the weight ratio of the component A to the component B is (8-12): 1. Compared with the prior art, the invention has the advantages of lower cost, simple preparation technique, favorable paint film conductivity, high plastic adhesive force and excellent chemical resistance and physical properties.

Description

technical field [0001] The invention relates to the technical field of interior and exterior coatings for automobiles, in particular to a conductive water-based white primer for plastic substrates and a preparation method thereof. Background technique [0002] At present, with the increasing demand for automobiles in the market, there are more and more related manufacturers, the requirements for automobile coatings are getting higher and higher, and the competition is becoming more and more fierce. Among many products, how to make their products attract customers and maintain continuous attention and trust is a question that all manufacturers have been thinking about. [0003] With the gradual strengthening of our country's environmental protection, low VOC will become synonymous with environmental protection. In today's consumption era with a wide variety of products and high self-selection, all kinds of fancy gimmicks and explosive selling points are flooded in the market....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/14C09D5/24C08F220/20C08F220/14C08F220/18C08F212/08C08F220/44C08F220/06C08F220/32
CPCC09D133/14C09D5/24C09D5/002C08F220/20C08K2003/2241C08K3/22C08F220/14C08F220/1804C08F212/08C08F220/44C08F220/06C08F220/325
Inventor 朱忠敏许华叶小明
Owner DONGLAI COATING TECH SHANGHAI
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