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Two-component isocyanate coating

An isocyanate, two-component technology, applied in the field of coating preparation, can solve the problems of no self-cleaning function, poor anti-corrosion and anti-rust performance, poor scratch resistance, etc., to achieve improved self-cleaning performance, strong scratch resistance, Strong anti-pollution effect

Pending Publication Date: 2020-12-08
美棒技术(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Two-component isocyanate coatings are widely used as metal protection and wood furniture due to their superior performance. However, with the development of society, other performance requirements for coatings are also getting higher and higher. Cleaning function, and poor anti-corrosion and anti-rust performance, low hardness, poor scratch resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A two-component isocyanate coating includes component A and component B, and component A contains the following raw materials in parts by weight: hydroxyacrylic resin 20kg, polyacrylate aqueous dispersion 15kg, water-based polyaniline emulsion 5kg, inorganic pigment 8kg, filler 10kg , graphite phase carbon nitride 5kg, defoamer 1kg, film-forming aid 3kg, neutralizer 1kg, dispersant 1kg, thickener 2kg, distilled water 5kg; wetting agent 2kg, leveling agent 2kg, rust inhibitor 0.5kg, guaiacol 0.5kg, cellulose 1kg;

[0024] Component A and B are mixed according to the mass ratio of 4:1, so the water-based isocyanate curing agent is 20.625kg, and the water-based isocyanate curing agent is composed of sulfamic acid, dimethylcyclohexylamine and toluene diisocyanate according to the mass ratio of 4 :3:2 prepared.

[0025] Wetting agent is the mixture of ethanol and propylene glycol in the present embodiment; Described cellulose is cellulose acetate butyrate; Antirust agent is...

Embodiment 2

[0027] A two-component isocyanate coating consists of component A and component B, and component A contains the following raw materials in parts by weight: 45kg of hydroxyl acrylic resin, 28kg of polyacrylate aqueous dispersion, 8kg of water-based polyaniline emulsion, 18kg of inorganic pigments, and 20kg of fillers , graphite phase carbon nitride 15kg, defoamer 2kg, film-forming aid 7kg, neutralizer 3kg, dispersant 3kg, thickener 5kg, distilled water 15kg, wetting agent 5kg, leveling agent 3kg, rust inhibitor 2kg , guaiacol 1kg, cellulose 3kg.

[0028] Components A and B are mixed according to a mass ratio of 4:1. The component B is a water-based isocyanate curing agent with a weight of 45.75kg. The water-based isocyanate curing agent is composed of sulfamic acid, dimethylcyclohexylamine and toluene Diisocyanate is prepared according to the mass ratio of 4:3:2.

[0029] In this implementation, the wetting agent is a mixture of ethanol and propylene glycol; the cellulose is c...

Embodiment 3

[0031] A two-component isocyanate coating consists of component A and component B, and component A contains the following raw materials in parts by weight: 30kg of hydroxyl acrylic resin, 25kg of polyacrylate aqueous dispersion, 7kg of water-based polyaniline emulsion, 15kg of inorganic pigment, and 15kg of filler , graphite phase carbon nitride 10kg, defoamer 1.5kg, film-forming aid 6kg, neutralizer 2kg, dispersant 2kg, thickener 4kg, distilled water 12kg, wetting agent 3kg, leveling agent 1.5kg, antirust Agent 1kg, guaiacol 0.8kg, cellulose 2kg.

[0032] Components A and B are mixed in a mass ratio of 4:1. The component B is a water-based isocyanate curing agent with a weight of 34.45kg. The water-based isocyanate curing agent is composed of sulfamic acid, dimethylcyclohexylamine and toluene Diisocyanate is prepared according to the mass ratio of 4:3:2.

[0033] In this implementation, the wetting agent is a mixture of ethanol and propylene glycol; the cellulose is cellulos...

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Abstract

Disclosed is a two-component isocyanate coating. The coating comprises an A component and B component. The coating comprises following raw materials in parts by weight: 30 parts of hydroxyl acrylic resin, 25 parts of polyacrylate aqueous dispersoid, 7 parts of water-based polyaniline emulsions, 15 parts of inorganic pigments, 15 parts of fillers, 10 parts of graphite-phase carbon nitride, 1.5 parts of defoaming agents, 6 parts of coalescing agents, 2 parts of neutralizers, 2 parts of a dispersing agent, 4 parts of a thickening agents, 12 parts of distilled water and 3 parts of wetting agents;1.5 parts of leveling agent, 1 part of antirust agent, 0.8 part of guaiacol and 2 parts of cellulose; the component B is a water-based isocyanate curing agent, graphite-phase carbon nitride is added in the preparation process of the coating, the self-cleaning performance of a coating film can be effectively improved, the combination of cellulose and the curing agent is beneficial to accelerating the drying of the coating and guaranteeing the mechanical performance of the coating film, the formula of the coating is reasonable, and the sprayed coating film can be quickly leveled; the excellent leveling and smoothing effects are achieved, and the coating film is high in hardness, high in scratch resistance and high in pollution resistance.

Description

technical field [0001] The invention relates to a two-component isocyanate coating, specifically in the technical field of coating preparation. Background technique [0002] With the advancement of science and technology and the rapid development of the national economy, people's awareness of environmental protection is increasing day by day, and their pursuit of health is getting higher and higher. Environmental protection and energy saving have become the main issues facing the global coatings industry. [0003] Two-component isocyanate coatings are widely used as metal protection and wood furniture due to their superior performance. However, with the development of society, other performance requirements for coatings are also getting higher and higher. Cleaning function, and the anti-corrosion and anti-rust performance is also poor, the hardness is low, and the scratch resistance is poor. [0004] Therefore it is very necessary to study a kind of environmental protection...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D179/02C09D5/16C09D7/61C09D7/65
CPCC09D175/04C09D5/1687C09D5/1662C08L2205/035C08L2205/025C08K2201/014C08K2003/328C08L75/04C08L79/02C08L33/08C08L1/14C08K13/02C08K3/28C08K5/053C08K3/36C08L1/286C08K3/32C08K13/04C08K7/26C08K5/06
Inventor 易卜拉欣.萨阿题.默罕默德
Owner 美棒技术(上海)有限公司
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