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Composition for preparing weather-resistant bright white paint and preparation method of composition

A technology of composition and white topcoat, applied in the direction of coating, etc., can solve problems such as poor weather resistance, achieve good adhesion, accelerate solvent release, and prolong service life

Inactive Publication Date: 2018-03-20
中山巴德士科技材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problem of poor weather resistance of the existing paint coating on metal furniture, the object of the present invention is to provide a composition for making weather-resistant bright white finish, the white surface made of the composition It has the characteristics of good leveling, good adhesion, good flexibility and good weather resistance, so as to meet the coating needs of different metal materials

Method used

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  • Composition for preparing weather-resistant bright white paint and preparation method of composition
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  • Composition for preparing weather-resistant bright white paint and preparation method of composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1) Preparation of 20% concentration of cellulose acetate solution:

[0023]

[0024] Preparation process: Select a clean and satisfactory dispersion tank, put in 50Kg of xylene, 15Kg of n-butyl acetate, 15Kg of methyl ethyl ketone, put 20Kg of Eastman cellulose acetate butyrate at a low speed of 400-600 rpm, and stir Evenly, the fineness is less than or equal to 10um when the machine is shut down for inspection, and it is filtered with a 200-mesh filter and then packed into barrels for use.

[0025] 2) Preparation of white pulp:

[0026]

[0027] Preparation process: Select a clean and satisfactory dispersion tank, add 2Kg of xylene, 26.8Kg of silicone resin, and 1.2Kg of wetting and dispersing agent in turn, stir at a low speed of 600 to 800 rpm for 10 minutes to fully uniform, and at a low speed At 600~800 rpm, add 1Kg rheological additive BENTONESD-1, 15Kg barium sulfate, 50Kg rutile titanium dioxide, add 4Kg PMA (propylene glycol methyl ether acetate) to wash...

Embodiment 2

[0044] 1) Preparation of 20% concentration of cellulose acetate solution:

[0045]

[0046] Preparation process: Select a clean and satisfactory dispersion tank, put in 50Kg of xylene, 15Kg of n-butyl acetate, 15Kg of methyl ethyl ketone, put 20Kg of Eastman cellulose acetate butyrate at a low speed of 400-600 rpm, and stir Evenly, the fineness is less than or equal to 10um when the machine is shut down for inspection, and it is filtered with a 200-mesh filter and then packed into barrels for use.

[0047] 2) Preparation of white pulp:

[0048]

[0049]Preparation process: Select a clean and satisfactory dispersion tank, add 2Kg of xylene, 26.8Kg of silicone resin, and 1.2Kg of wetting and dispersing agent in turn, stir at a low speed of 600 to 800 rpm for 10 minutes to fully uniform, and at a low speed At 600~800 rpm, add 1Kg rheological additive BENTONESD-1, 15Kg barium sulfate, 50Kg rutile titanium dioxide, add 4Kg PMA (propylene glycol methyl ether acetate) to wash ...

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PUM

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Abstract

The invention discloses a composition for preparing weather-resistant bright white paint. The composition comprises 55-65.05% of white paste, 25-30% of organic silicon resin, 5-10% of cellulose acetate liquid, 2-3.5% of n-butyl acetate and multiple additives. Detection and trial prove that the weather-resistant bright white paint prepared by utilizing the composition disclosed by the invention hasexcellent film leveling property after spraying, excellent adhesive force and excellent weather resistance and is applicable to coating of workpieces made of different metal materials. The problems that a film formed by coating the conventional ordinary white paint easily delaminates, loses gloss and discolors and has poor weather resistance can be solved, and the service life of the film is prolonged.

Description

technical field [0001] The invention relates to the manufacture of wood coatings, in particular to a composition for making a weather-resistant bright white topcoat and a preparation method thereof. Background technique [0002] In addition to wooden furniture, modern furniture, fabric furniture and metal furniture are also gradually popular. With the application and promotion of metal materials in furniture, the choice of coating is a difficult problem when facing decorative furniture of different metal materials. After the ordinary bright white topcoat is sprayed, due to the limitations of the paint film performance, when painting furniture of different metal materials, especially in some climatic conditions that need to face the wind and the sun, thermal expansion and contraction, and surface When the kitchen is smoked and baked, the paint film formed after painting is prone to delamination, loss of gloss and discoloration, which greatly affects the service life and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D101/12C09D7/61C09D7/63
CPCC09D183/04C08K2003/2241C08K2003/3045C08L2201/08C09D101/12C08L1/12C08K13/02C08K5/103C08K3/30C08K3/22
Inventor 方学平杨长春
Owner 中山巴德士科技材料有限公司
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