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Cracking preventing paint

An anti-cracking and paint technology, applied in the field of paint and coatings, can solve the problems of paint being exposed to water and easy to crack

Inactive Publication Date: 2015-09-09
ZHANGJIAGANG SHANMU NEW MATERIAL TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing paints still have technical deficiencies such as being easy to crack when exposed to water and high temperature.

Method used

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  • Cracking preventing paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] An anti-cracking paint, the composition of the mass parts of the anti-cracking paint is as follows: 20 parts of modified rosin resin, 15 parts of tung oil, 3.2 parts of epoxy resin coagulant, 12 parts of hydroxyl acrylic resin, 10 parts of glycerol, soybean plant Short oil alkyd resin 16 parts, defoamer 0.2 part, leveling agent 0.2 part, moistureproof agent 0.2 part.

[0020] Wherein, the modified rosin resin is a modified phenolic resin.

[0021] Wherein, the composition of mass parts of the defoamer is as follows: 10 parts of methacrylate polymer, 8 parts of aromatic hydrocarbon, 20 parts of cycloalkane, 50 parts of alkanes, and the carbon of the methacrylate polymer is Alkyl methacrylate with an atomic number of 1-20 is a constituent unit.

[0022] Wherein, the average molecular weight of the methacrylate polymer is 280,000-300,000.

[0023] Wherein, the composition of mass parts of the leveling agent is as follows: 6 parts of butyl acrylate, 3 parts of polyether m...

Embodiment 2

[0026] An anti-cracking paint, the composition of the mass parts of the anti-cracking paint is as follows: 22 parts of modified rosin resin, 16 parts of tung oil, 3.5 parts of epoxy resin coagulant, 13 parts of hydroxyl acrylic resin, 12 parts of glycerol, soybean plant 16.5 parts of short oil alkyd resin, 0.3 parts of defoaming agent, 0.3 parts of leveling agent, and 0.3 parts of moisture-proof agent.

[0027] Wherein, the modified rosin resin is a modified phenolic resin.

[0028] Wherein, the composition of the mass parts of the defoamer is as follows: 12 parts of methacrylate polymer, 10 parts of aromatic hydrocarbon, 24 parts of cycloalkane, 53 parts of alkanes, and the carbon of the methacrylate polymer is Alkyl methacrylate with an atomic number of 1-20 is a constituent unit.

[0029] Wherein, the average molecular weight of the methacrylate polymer is 300,000-350,000.

[0030] Wherein, the composition of mass parts of the leveling agent is as follows: 6.8 parts of bu...

Embodiment 3

[0033] An anti-cracking paint, the composition of the mass parts of the anti-cracking paint is as follows: 25 parts of modified rosin resins, 18 parts of tung oil, 4 parts of epoxy resin coagulants, 15 parts of hydroxyl acrylic resins, 12 parts of glycerol, soybean plant Short oil alkyd resin 17 parts, defoamer 0.5 part, leveling agent 0.5 part, moistureproof agent 0.4 part.

[0034] Wherein, the modified rosin resin is a modified phenolic resin.

[0035] Wherein, the composition of mass parts of the defoamer is as follows: 12 parts of methacrylate polymers, 10 parts of aromatic hydrocarbons, 25 parts of naphthenes, 60 parts of alkanes, and the carbon of the methacrylate polymers is Alkyl methacrylate with an atomic number of 1-20 is a constituent unit.

[0036] Wherein, the average molecular weight of the methacrylate polymer is 300,000-450,000.

[0037] Wherein, the composition of mass parts of the leveling agent is as follows: 7 parts of butyl acrylate, 6 parts of polyeth...

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Abstract

The invention relates to the technical field of paint coatings, in particular to cracking preventing paint. The cracking preventing paint comprises components in parts by mass as follows: 20-30 parts of modified rosin resin, 15-20 parts of tung oil, 3.2-4.8 parts of epoxy resin solidifying glue, 12-18 parts of hydroxylated acrylic resin, 10-15 parts of glycerin, 16-18 parts of soybean plant short-oil alkyd resin, 0.2-0.8 parts of an antifoaming agent, 0.2-0.8 parts of a leveling agent and 0.2-0.6 parts of a moisture-proof agent. The cracking preventing paint adopting the technical scheme has the benefits as follows: the epoxy resin solidifying glue and the soybean plant short-oil alkyd resin are added, a mixture of silica gel, anhydrous cupric sulfate and iron powder is taken as the moisture-proof agent, so that the viscidity of the paint is enhanced, the paint cannot fall off after applied to a wall and cannot crack, and most of the raw materials are organic, green, energy-saving, safe and harmless to human.

Description

technical field [0001] The invention relates to the technical field of paints and coatings, in particular to an anti-cracking paint. Background technique [0002] The history of paint can be traced back to more than 4,000 years ago. At that time, the working people of our country just utilized vegetable oil (such as tung oil, catalpa oil) and natural raw lacquer to paint the surface of utensils, and formed a protective coating film after drying. By 1500 BC, paint had been used for painting and decoration in caves in France and Spain. In 1500 BC, the Egyptians used dyes such as indigo and madder to make blue and red pigments, but the paint was far from perfect. In the 18th century, due to the development and utilization of linseed oil and zinc oxide, the paint industry developed rapidly. In the 20th century, the paint process has undergone significant development, and paints of various colors with greater adhesion, higher gloss, flame retardancy, corrosion resistance and hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D193/04C09D191/00C09D133/00C09D167/08C09D7/12
CPCC09D161/14C08L2205/035C09D7/61C09D7/63C08L91/00C08L63/00C08L33/00C08L67/08C08L33/10C08K13/02C08K5/053C08K5/01C08K3/32C08K2003/3045C08K2003/0856C08K3/36
Inventor 范佳晨赵云龙徐丹徐凯徐再赵维达
Owner ZHANGJIAGANG SHANMU NEW MATERIAL TECH DEV
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