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Preparation method for high-hardness water paint applied to vacuum-cup surface

A water-based coating with high hardness technology, applied in the direction of coating, etc., can solve the problems of low hardness, easy scratch of surface coating, low mechanical strength of organic paint coating, etc., so as to avoid coating wear and protect the appearance

Inactive Publication Date: 2015-12-09
ZHEJIANG UNIV
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  • Abstract
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Problems solved by technology

[0003] However, the mechanical strength of the organic paint coating is low (low hardness), and the adhesion to the base material of the thermos cup (generally 316L stainless steel) is not good at the same time, so that the surface coating of the thermos cup is easily scratched during use, thereby Affected the appearance of the thermos cup
On the other hand, traditional organic paints are all solvent-based paints, which not only increase the emission of VOC in the air, but also damage the health of construction workers

Method used

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  • Preparation method for high-hardness water paint applied to vacuum-cup surface

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Embodiment Construction

[0017] The thermos cup is generally made of 316L stainless steel. Stainless steel will turn yellow when it is treated at a temperature above 170°C. Nano-composite coatings are formed after the reaction of alkyl silanes, which can form a high-hardness coating at a lower heat treatment temperature (160 ° C), so that the stainless steel thermos cup can obtain high hardness and wear resistance, and at the same time it has good adhesion. , to meet the protective performance of the surface of the thermos cup.

[0018] In the present invention, each raw material used is the prior art, or is commercially available, or can be obtained by self-preparation through common technical means, and those skilled in the art have a very clear understanding of this.

[0019] The preparation method for the high-hardness water-based paint on the surface of the thermos cup of the present invention comprises the following steps:

[0020] (1) Under the stirring condition of 800r / min, mix water-based s...

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Abstract

The invention relates to inorganic coating preparation technologies, and aims at providing a preparation method for high-hardness water paint applied to a vacuum-cup surface. The method comprises uniformly mixing aqueous silica sol, a pigment, whisker silicon and nanometer aluminium oxide under stirring condition, and grinding to obtain an aqueous oxide slurry, adjusting the pH value to be 2.5-4 by using an acid, and mixing the slurry with an alkyl siloxane for reaction with stirring, so as to obtain the vacuum-cup surface high-hardness water paint. In the raw materials, nanometer inorganics are taken as the main raw materials, and a sol-gel nanometer composite technology is employed for preparing the aqueous nanometer inorganic paint applied to vacuum-cup surfaces. After the coating is subjected to 160 DEG C heat treatment, the pencil hardness can reach up to 9H, the coating wearing phenomenon during usage is effectively avoided, and the vacuum cup appearance is protected to a maximum degree. Also, the paint is fully aqueous, does not discharge VOC during coating production, and is green and friendly to environment.

Description

technical field [0001] The invention relates to an inorganic coating preparation technology, in particular to a preparation method for a high-hardness water-based coating on the surface of a thermos cup. Background technique [0002] The paint usually used on the surface of the thermos cup is traditional organic paint, such as polyester, latex paint, etc. The coating has the advantages of rich colors and convenient construction, giving the thermos cup a bright appearance and pattern. [0003] However, the mechanical strength of the organic paint coating is low (low hardness), and the adhesion to the base material of the thermos cup (generally 316L stainless steel) is not good at the same time, so that the surface coating of the thermos cup is easily scratched during use, thereby It affects the appearance of the thermos cup. On the other hand, traditional organic paints are all solvent-based paints, which not only increase the emission of VOC in the air, but also damage the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12
Inventor 吴春春杨辉汪海风阙永生
Owner ZHEJIANG UNIV
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