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Low-density sprayable protection coating in use for vehicle and prepn. process

A technology for protecting paint and spraying vehicles, applied in the field of paint, can solve the problems of unfavorable reduction of the weight of the whole vehicle, construction unit consumption, etc., and achieve the effects of high spraying performance, lower vehicle fuel consumption, and lower vehicle weight.

Inactive Publication Date: 2005-11-16
上海依多科化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, the conventional commercially available protective coatings for vehicles, such as Tyrolone's protective coatings for vehicles, have a density of 1.3 to 1.5 grams per cubic centimeter, so the unit consumption of construction is high, which is not conducive to reducing the weight of the vehicle, reducing the fuel consumption of the vehicle, and improving vehicle speed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 20 kg of polyvinyl chloride resin, 10 kg of vinyl chloride-vinyl acetate copolymer resin, 6 kg of C6 aliphatic hydrocarbon, 4 kg of aluminum silicate hollow material, 0.4 kg of fumed silica thixotropic agent, 30 kg of diisophthalic acid Decyl ester, 30 kg of synthetic superfine calcium carbonate and other raw materials were stirred and mixed at a temperature of 30°C; cooled to 26°C, ball milled for 10 minutes; aged for 18 hours, and the viscosity of the sample was tested. % diisodecyl phthalate plasticizer to adjust the viscosity to a specified range, vacuumize for 30 minutes with a vacuum degree of less than 0.001 MPa, and filter to obtain the coating of the present invention.

[0034] project

Embodiment 2

[0036] 25 kg of polyvinyl chloride resin, 5 kg of vinyl chloride-vinyl acetate copolymer resin, 6 kg of C6 aliphatic hydrocarbon, 2 kg of acrylonitrile hollow material, 0.4 kg of fumed silica thixotropic agent, 28 kg of diisophthalic acid Decyl esters, 32 kg of synthetic superfine calcium carbonate and other raw materials were stirred and mixed at a temperature of 30°C; cooled to 26°C, ball milled for 10 minutes; aged for 18 hours, and the viscosity of the sample was tested. According to product specifications and actual needs, the total amount of the formula was 2-5 % diisodecyl phthalate plasticizer to adjust the viscosity to a specified range, vacuumize for 30 minutes with a vacuum degree of less than 0.001 MPa, and filter to obtain the coating of the present invention.

[0037] project

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PUM

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Abstract

A low-density protective paint able to be sprayed on the surface of car is prepared proportionaly from volatile solvent, plasticizer, Cl-contained polymer, hollow material, thixotropic agent and filler.

Description

technical field [0001] The invention relates to a coating, in particular to a low-density automotive protective coating and a preparation method thereof. Background technique [0002] Low-density automotive protective coating is a substitute for the commonly used automotive protective coating at present, and it is a new product of the technological revolution carried out by the automotive industry to reduce the weight of the vehicle, save energy and reduce consumption. In the automobile painting industry, the protective coating for the underbody is sprayed onto the surface of the steel plate at the bottom of the automobile by airless spraying and other construction methods to form a protective film, then pre-baked to make the surface dry, and then sprayed with intermediate coating and other paints for baking. Bake molding, and finally become a layer of uniform and stable plastic-like protective film, which can effectively prevent the entry of water, dust, and noise, and form...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/06
Inventor 徐争勇石庆红杜顺忠
Owner 上海依多科化工有限公司