A kind of beautifying agent that is not easy to foam and preparation method thereof

A kind of beautifying agent, not easy technology, applied in the field of beautifying agent, it can solve the problems of the beautifying agent and the reduced adhesion, easy mildew and blackening, low shrinkage rate, etc. , Improve the anti-ultraviolet ability, improve the effect of anti-penetration

Active Publication Date: 2022-06-21
安徽牛元新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One-component beautifying agents generally have disadvantages such as large shrinkage rate and easy falling off
The two-component beautifying agent has the advantages of low shrinkage, good adhesion, and high brightness. However, the two-component beautifying agent is mostly epoxy resin type, and its aromatic ring structure has poor UV resistance and poor flexibility. In a humid environment, such as in the rainy season, because the surface of the base material has a large water content, the moisture will penetrate towards the joint between the base material and the beautifying agent, resulting in a decrease in the beautifying agent and adhesion, resulting in blistering
In addition, microorganisms such as fungi and bacteria are easy to breed in hot and humid environments. These microorganisms will corrode the polymer components of the beautifying agent, making the beautifying agent prone to mildew and blackening

Method used

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  • A kind of beautifying agent that is not easy to foam and preparation method thereof
  • A kind of beautifying agent that is not easy to foam and preparation method thereof

Examples

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Effect test

preparation example Construction

[0027] The preparation method of aliphatic isocyanate prepolymer is as follows:

[0028] Add 2~3 parts of isocyanate monomers and 1~2 parts of polycaprolactone diol to the reaction kettle successively by weight, control the temperature of the reaction kettle at 60~70 ℃, and measure the NCO value after 3 hours of reaction; when the NCO When the value reaches 30%, the reaction is stopped and the aliphatic isocyanate prepolymer is obtained, so that there is no NCO residue after curing, and the reaction of NCO and water to generate CO can be avoided. 2 Causes bubbling, and a slight excess of polyaspartate improves the stability of the molecular structure due to the existence of nano-titanium dioxide, and is not prone to yellowing.

[0029] The hot and humid environment is easy to breed microorganisms such as fungi and bacteria, and these microorganisms can damage the structure of the beautifying agent or cause mildew. In some preferred embodiments, nano-silver is added to improve...

Embodiment 1

[0036] Embodiment 1 provides a kind of beautifying agent that is not easy to foam, including component A and component B;

[0037] Component A, in parts by weight, includes 85 parts of polyaspartate, 2 parts of leveling agent (purchased from Yangzhou Weiner New Material Co., Ltd., model SY-5088), 2 parts of defoamer (purchased from Guangzhou Duomeido New Materials Co., Ltd., model BK-431), 8 parts of nano-titanium dioxide, 2 parts of 3-butyl-2-(1-ethylpentyl) oxazolidine; among them, polyaspartate The viscosity at 25°C is 800-1500mPa / s, the amine value is 200-204, purchased from Shanghai Junhe Chemical Co., Ltd., the model is JH-8142; the nano-titanium dioxide is rutile type, the average particle size is 50nm, purchased from Hefei AVIC Nanotechnology Development Co., Ltd., model ZH-TiO250NJ; 3-butyl-2-(1-ethylpentyl)oxazolidine was purchased from Hubei Yongkuo Technology Co., Ltd.

[0038] Component B, in parts by weight, includes 85 parts of curing agent, 2 parts of antibact...

Embodiment 2

[0043] Similar to Example 1, a non-foaming beautifying agent and a preparation method thereof are provided, but the A component comprises 80 parts of polyaspartic acid ester, 1 part of leveling agent, 1 part of defoamer, 5 parts of nano titanium dioxide, 2 parts of 3-butyl-2-(1-ethylpentyl) oxazolidine; the component B is proportioned according to the parts by mass, including 75 parts of curing agent, 1 part antimicrobial, 5 parts thickener.

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Abstract

The invention provides a non-foaming beautifying agent and a preparation method thereof, comprising component A and component B; component A comprises 80-90 parts of polyaspartic acid ester, 1-3 1-3 parts of leveling agent, 1-3 parts of defoamer, 5-10 parts of nano-titanium dioxide, 1-3 parts of oxazolidine; the component B includes 75-90 parts of curing agent, 1-3 parts of Antibacterial agent, 5-10 parts of thickener. Component A and component B are mixed to form a polyurea product. The beautifying agent has excellent tensile strength and elongation, and is not easy to foam in a hot and humid environment. It also has good antibacterial and anti-ultraviolet properties.

Description

technical field [0001] The invention relates to a seam beautifying agent, in particular to a seam beautifying agent that is not easy to foam and a preparation method thereof. Background technique [0002] There are mainly two types of beautifying agents, one-component beautifying agents and two-component beautifying agents. One-component beauty joints generally have disadvantages such as large shrinkage rate and easy falling off. The two-component beautifying agent has the advantages of low shrinkage, good adhesion and high brightness. However, the two-component beautifying agent is mostly epoxy resin type, which has an aromatic ring structure with poor UV resistance and poor flexibility. In a wet environment, such as in the rainy season, because the surface of the substrate has a large water content, the moisture penetrates into the place where the substrate and the beautifying agent are combined, resulting in a decrease in the adhesive force of the beautifying agent and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J175/02C09J11/04
CPCC09J175/02C09J11/04C08K2003/2241C08K2201/005C08K2201/011C08K13/04C08K7/26C08K7/18C08K3/22
Inventor 王术生
Owner 安徽牛元新材料有限公司
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