Preparation Method of Automobile Coatings Based on Orthogonal Design

An orthogonal design and coating technology, which is applied in the application of automotive coatings and the preparation of automotive coatings, can solve the problems of increasing the complexity of construction and application, uneven and dull coating surface, and poor alkali resistance of coatings. Effects of improving spraying quality, reducing product quality fluctuations, and reducing test times

Active Publication Date: 2017-08-01
BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many types of existing automotive coatings, but some coatings do not have good pollution resistance, some coatings cannot resist alkali, some coatings have weak adhesion, and some coatings have uneven and dull surfaces. , the storage stability is not good, and there are many influencing factors in the application process, which increases the complexity of construction and application

Method used

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  • Preparation Method of Automobile Coatings Based on Orthogonal Design
  • Preparation Method of Automobile Coatings Based on Orthogonal Design
  • Preparation Method of Automobile Coatings Based on Orthogonal Design

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Adopt varnish to apply to automobile body steel plate, control the influencing factors in table 1 simultaneously, wherein varnish component comprises two-component polyurethane 70-72 weight parts, bismuth oxide 10-13 weight parts, fluorinated curing agent 2-5 parts , 12-16 parts of epoxy resin, 4-6 parts by weight of oxidized polyethylene.

Embodiment 2

[0025] Adopt silver paint to apply to automobile body steel plate, control the influence factor in table 1 simultaneously, wherein silver paint component comprises silver paste 0.5-1.5 weight part, epoxy resin 60-75 weight part, benzoic acid monoethanolamine 4-6 Parts by weight, 10-15 parts by weight of polyethyl acrylate.

[0026] Since the paint viscosity is affected by temperature, an orthogonal design method with interaction is used. That is, A interacts with B, and A interacts with C. Establish an interactive orthogonal design table, as shown in Table 2.

[0027] Table 2 Orthogonal design results and result analysis table

[0028]

[0029]

[0030] The comprehensive score is the result of experts scoring the quality of the paint. Looking directly at the results, it can be seen that the No. 3 experiment A1B2C1D2 is the best, with a comprehensive score of 80, and the extreme difference of factor C is 8.5, the largest, indicating that factor C (that is, the constant...

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Abstract

The invention relates to a preparation method of an automotive coating based on orthogonal design. The automotive coating comprises varnish and silver paint. By orthogonal design of the automotive coating during the use process, influence factors of the coating and the coating process can be ascertained, such as varnish or silver paint viscosity, spray booth temperature, spray booth relative humidity and fuel transfer system steady temperature. By controlling the influence factors, quality fluctuation of the product coating process is minimized, production efficiency is enhanced, product process quality standard is improved, and cost is reduced.

Description

technical field [0001] The invention relates to an automobile paint, in particular to a preparation method of the automobile paint and an application method of the automobile paint based on an orthogonal design. Background technique [0002] Automobile coating refers to the coating applied on the body and parts of various vehicles such as cars. The requirements for hardness, wear resistance, fullness, impact resistance, aging resistance, anti-corrosion, waterproof, oil-proof, chemical resistance, light resistance, temperature resistance, etc. are getting higher and higher. There are many types of existing automotive coatings, but some coatings do not have good pollution resistance, some coatings cannot resist alkali, some coatings have weak adhesion, and some coatings have uneven and dull surfaces. , the storage stability is not good, and there are many influencing factors in the application process, which increases the complexity of construction and application. Contents...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D163/00C09D133/08C09D7/12B05D7/16
Inventor 张敏杨建伟高嵩峰
Owner BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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