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Formula and preparation method of organosilicone-free easy defoaming nitrolacquer for clarinets

A technology of organic silicon and nitrocellulose, applied in coatings, polyester coatings, etc., can solve the problem of organic silicon in nitro coatings, and achieve the effect of ensuring rapidity

Inactive Publication Date: 2018-08-07
黄克格
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention solves the problem that the existing clarinet musical instrument nitro coating that is easy to defoam contains organic silicon, and invents a formula improved by using a silicon-free foam breaker and its manufacturing method

Method used

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Examples

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Embodiment Construction

[0011] 15 kg of ethyl acetate, 15 kg of n-butyl acetate, 5 kg of isopropanol, 5 kg of propylene glycol methyl ether acetate, 20 kg of 1 / 16 second nitrocellulose, 2 kg of high-efficiency matting powder, 70% alkyd resin polymer 30 kg, 5 kg of matt wax paste, 0.1 kg of foam-breaking polymer solution (without silicone). Add ethyl acetate, n-butyl acetate, isopropanol, propylene glycol methyl ether acetate, and 1 / 16 second nitrocellulose in sequence, and continue stirring for 30 minutes. After the nitrocellulose is completely dissolved, add 70% alkyd resin polymer, Continue to stir for 30 minutes, and finally add high-efficiency matting powder, matting wax slurry, and foam-breaking polymer solution (without silicone), and stir for 5 minutes.

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Abstract

The invention discloses a formula and preparation method of organosilicone-free easy defoaming nitrolacquer for clarinets. 1 / 16s nitrocellulose and an alkyd resin polymer are used as main film-formingsubstances. Ethyl acetate, n-butyl acetate, isopropanol and propylene glycol methyl ether acetate are used as main solvents for dissolving nitrocotton. A defoaming polymer solution (without organosilicone) is the main additive to eliminate the bubbles of the paint and can change the surface tension of the bubbles to fast break the bubbles.

Description

technical field [0001] The invention relates to the field of chemical paint manufacturing, in particular to a formula for improving the defoaming performance of clarinet musical instrument nitro paint without organic silicon and a manufacturing method thereof. Background technique [0002] The nitro lacquer for clarinet instruments on the market now generally has the problems of high viscosity and unsatisfactory defoaming effect. After stirring, a large number of bubbles are prone to appear, and it needs to stand for a long time to defoam, which affects the construction time of the nitro paint, and also It is easy to affect the beauty of the clarinet instrument. At the same time, nitro-based paints that are easy to defoam generally contain organosilicon compounds, which not only easily pollute the environment, but also affect the leveling performance of the coating when it is formed into a film, resulting in the unsightly appearance of clarinet instruments. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C09D101/18C09D7/20C09D7/65
CPCC09D167/08C08L2205/035C08L1/18C08L91/06
Inventor 黄克格
Owner 黄克格
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