High-strength weather-resistant paint and preparation process thereof

A high-strength weather-resistant paint and preparation technology, which is applied in coatings and other directions, can solve the problems of coatings being easily contaminated with dust, unsuitable for construction, and accelerating the process of water evaporation, etc., to achieve the effects of prolonging life, good pencil hardness, and improving acid rain resistance

Active Publication Date: 2016-11-16
北京蓝彬尚科涂料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, do not construct under direct sunlight, especially in summer, the surface temperature will be high under direct sunlight, and the water will evaporate too fast, which will affect the poor film formation of the coating
Strong wind is not suitable for construction, it will accelerate the evaporation process of water, and the coating is easy to be contaminated with dust

Method used

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  • High-strength weather-resistant paint and preparation process thereof
  • High-strength weather-resistant paint and preparation process thereof
  • High-strength weather-resistant paint and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: high-strength weather-resistant paint.

[0032] The raw materials include: 25Kg of aqueous emulsion, 20Kg of rutile titanium dioxide, 20Kg of high-purity silica powder, 18Kg of water, 5Kg of hydroxyethyl cellulose, 5Kg of ethylene glycol, 0.00015Kg of dispersant, 0.0002Kg of wetting agent, and defoamer 0.0001Kg, film-forming aid 0.00015Kg, pH regulator 0.0002Kg, leveling agent 0.00015Kg, thickener 0.0001Kg.

[0033] Wherein, the aqueous emulsion is prepared by polymerizing acrylate hard monomers, acrylate soft monomers, acrylate functional monomers and water in a 60 Coy ray field in a certain proportion; wherein, the radiation dose is 9KGy, and the dose is not The uniformity is less than 1.2; the acrylic hard monomer is methacrylic acid, the acrylic soft monomer is butyl acrylate, and the acrylic functional monomer is itaconic acid and N-methylol acrylamide; the The mass ratio of methacrylic acid, butyl acrylate, itaconic acid, N-methylolacrylamide and wa...

Embodiment 2

[0038] Embodiment 2: the difference between embodiment 2 and embodiment 1 is that the rotating speed in Step1 is 600r / min.

Embodiment 3

[0039] Embodiment 3: The difference between embodiment 3 and embodiment 1 is that the rotating speed in Step2 is 1100r / min.

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Abstract

The invention discloses high-strength weather-resistant paint and a preparation process thereof. The high-strength weather-resistant paint comprises the following raw materials in parts by mass: 25-35 parts of waterborne emulsion, 15-25 parts of rutile titanium dioxide, 20-35 parts of high-purity silicon dioxide powder, 15-20 parts of water, 2-5 parts of hydroxyethyl cellulose, 3-7 parts of ethylene glycol, 0.0001-0.0002 part of a dispersing agent, 0.0001-0.0002 part of a wetting agent, 0.0001-0.0002 part of an antifoaming agent, 0.0001-0.0002 part of coalescing agents, 0.0001-0.0002 part of a pH regulator, 0.0001-0.0002 part of a flatting agent and 0.0001-0.0002 part of thickening agent. The paint has high alkali resistance and film hardness.

Description

technical field [0001] The invention relates to the technical field of exterior wall coatings, more specifically, it relates to a high-strength weather-resistant paint and a preparation process thereof. Background technique [0002] Paint, traditionally called paint in China. The so-called paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, oil, or emulsion, with or without adding pigments, fillers, adding The corresponding additives are viscous liquids prepared with organic solvents or cobalt naphthenate. The exterior wall decoration is directly exposed to nature and is subjected to wind, rain, and sun exposure. Therefore, the coating is required to have water resistance, color retention, pollution resistance, aging resistance, and good adhesion. It also has good freeze-thaw resistance and film-forming properties. The characteristics of low temperature...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D101/28C09D7/12
CPCC08K2201/014C09D7/63C09D133/08C08L1/284C08K13/02C08K2003/2241C08K3/36C08K5/42C08K5/17
Inventor 申爱国
Owner 北京蓝彬尚科涂料科技有限公司
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