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High-strength low-covering-thickness high-grade nano finish paint for vehicles and preparation method thereof

A low-coverage, high-strength technology, used in coatings, anti-corrosion coatings, etc., to solve problems such as high cover thickness and poor corrosion resistance

Active Publication Date: 2016-04-06
HANGZHOU MINGJIANG BUILDING DECORATION ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this coating has the problems of high covering thickness and poor corrosion resistance

Method used

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  • High-strength low-covering-thickness high-grade nano finish paint for vehicles and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] High-strength, low-coverage high-grade automotive nano-finish paint, including the following components in parts by weight: 54 parts of silicone acrylic resin, 4.5 parts of polycarboxylate ammonium salt, 1 part of acrylic defoamer, 0.9 part of hydrogenated castor oil , 7.2 parts of mixed solvent mixed with xylene and cyclohexanone with a mass ratio of 1:2, 3.5 parts of zinc naphthenate, 0.2 part of polyurethane thickener, 0.2 part of salicylic acid ultraviolet absorber, 0.7 part of propylene glycol 12 parts, 12 parts of composite nano zinc silicon iron powder, 3.5 parts of ammonium octanoate.

[0029] The steps of its preparation method are as follows:

[0030] (1) Add nano-iron oxide into deionized water, stir ultrasonically for 40 minutes until uniformly dispersed, add CTAB, tetraethyl orthosilicate, isopropanol, and ammonia water, heat to 45°C and stir for 10 hours, filter and add ammonium nitrate In the ethanol solution, heat to 90°C and reflux at a constant temper...

Embodiment 2

[0035]High-strength, low-coverage high-grade automotive nano-finish paint, including the following components in parts by weight: 52 parts of silicone acrylic resin, 5 parts of polycarboxylate ammonium salt, 2 parts of acrylic defoamer, 0.4 part of hydrogenated castor oil , 7.7 parts of mixed solvent mixed with xylene and cyclohexanone with a mass ratio of 1:2, 3.2 parts of zinc naphthenate, 0.3 part of polyurethane thickener, 0.4 part of salicylic acid ultraviolet absorber, 0.5 part of propylene glycol 14 parts, 14 parts of composite nano zinc silicon iron powder, 4 parts of ammonium octanoate.

[0036] Its preparation method is with embodiment 1.

Embodiment 3

[0038] High-strength, low-coverage high-grade automotive nano-finish paint, including the following components in parts by weight: 55 parts of silicone acrylic resin, 5.5 parts of polycarboxylate ammonium salt, 1.4 parts of acrylic defoamer, 0.6 part of hydrogenated castor oil , 7 parts of mixed solvent mixed with xylene and cyclohexanone with a mass ratio of 1:2, 4 parts of zinc naphthenate, 0.3 part of polyurethane thickener, 0.6 part of salicylic acid ultraviolet absorber, 0.3 part of propylene glycol 10 parts, 10 parts of composite nano zinc silicon iron powder, 3 parts of ammonium octanoate.

[0039] Its preparation method is with embodiment 1.

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Abstract

The invention provides a high-strength low-covering-thickness high-grade nano finish paint for vehicles, which comprises the following components in parts by weight: 50-60 parts of organosilicon acrylic resin, 4-6 parts of dispersing agent, 1-2 parts of defoaming agent, 0.4-0.9 part of thixotropic agent, 7-8 parts of mixed solvent, 3-4 parts of drying agent, 0.2-0.3 part of thickener, 0.1-0.6 part of ultraviolet absorbent, 0.2-0.7 part of antifreezing agent, 10-14 parts of composite nano zinc-silicon-iron powder and 2-4 parts of ammonium octoate. The invention also provides a preparation method of the high-strength low-covering-thickness high-grade nano finish paint for vehicles. The high-strength low-covering-thickness high-grade nano finish paint for vehicles has favorable corrosion resistance.

Description

Technical field: [0001] The invention relates to a car topcoat, in particular to a high-strength, low-coverage high-grade car nano-topcoat and a preparation method thereof. Background technique: [0002] Automotive topcoat is the last layer of paint in the entire coating of the car. It plays a major role in decoration and protection throughout the coating, and determines the durability and appearance of the coating. Car topcoat can make the car colorful and look brand new. The automotive topcoat is the outermost layer of the entire paint film, and the topcoat is required to have more perfect performance than the primer. First of all, weather resistance is an important indicator of the topcoat. It is required that the topcoat will not change color, lose gloss, blister or crack under extreme temperature and humidity conditions, wind, snow, rain and hail. The appearance of the topcoat is more important, and the paint film is required to have a plump appearance, no orange peel...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/12C09D5/10
CPCC08K2201/011C08L2205/035C09D5/106C09D7/62C09D7/65C09D7/70C09D133/04C08L75/04C08K13/06C08K9/02C08K7/00C08K2003/0893C08K3/36C08K2003/2265C08K5/053
Inventor 谢永忠
Owner HANGZHOU MINGJIANG BUILDING DECORATION ENG CO LTD
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