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High-performance anti-icing paint used for high speed bullet trains, and preparation method thereof

A high-performance technology for high-speed trains, applied in the field of coatings, can solve the problems of high cost, environmental pollution, and non-permanence, and achieve the effects of strong anti-icing ability, strong hydrophobicity, and improved weather resistance

Inactive Publication Date: 2017-11-07
NANJING ZHONGCHE PUZHEN URBAN RAIL VEHICLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional anti-icing method widely used in the rail transit industry is: spraying anti-icing reagents. This method is not permanent and requires repeated spraying, which is costly and pollutes the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A high-performance anti-icing coating for high-speed trains, which is composed of a paint main agent, a polyurethane curing agent and a thinner. The weight ratio of the paint main agent, polyurethane curing agent and thinner is 1:0.4:0.2. The weight percentage of components is: fluorocarbon resin 50%, silicon-modified acrylic resin 35%, anti-aging additive 2.5%, leveling agent 0.2%, defoamer 0.3%, solvent 12%; polyurethane curing agent components The weight percentage of the diluent is: 80% of aliphatic isocyanate polymer, 20% of butyl acetate; the weight percentage of each component of the diluent is: 30% of butyl acetate, 70% of propylene glycol methyl ether acetate. The solvent in this example is butyl acetate.

[0027] The above-mentioned high-performance anti-icing coating for high-speed trains is prepared through the following steps:

[0028] 1. Preparation of paint main agent:

[0029] In container A, add in the following proportions: 50% fluorocarbon resin, 35...

Embodiment 2

[0037] A high-performance anti-icing coating for high-speed trains, which is composed of a paint main agent, a polyurethane curing agent and a diluent. The weight ratio of the paint main agent, polyurethane curing agent and diluent is 1:0.3:0.4. The weight percentage of the components is: 40% fluorocarbon resin, 45% silicon-modified acrylic resin, 1% anti-aging additive, 0.5% leveling agent, 0.5% defoamer, 13% solvent; the components of polyurethane curing agent The weight percentage of the diluent is: 90% of aliphatic isocyanate polymer, 10% of butyl acetate; the weight percentage of each component of the diluent is: 20% of butyl acetate, 80% of propylene glycol methyl ether acetate. The solvent in this example is butyl acetate.

[0038] The above-mentioned high-performance anti-icing coating for high-speed trains is prepared through the following steps:

[0039] 1. Preparation of paint main agent:

[0040] In container A, add in the following proportions: 40% fluorocarbon ...

Embodiment 3

[0048] A high-performance anti-icing coating for high-speed trains, which is composed of a paint main agent, a polyurethane curing agent and a thinner. The weight ratio of the paint main agent, polyurethane curing agent and thinner is 1:0.5:0.1. The weight percentage of components is: fluorocarbon resin 45%, silicon-modified acrylic resin 40%, anti-aging additive 3%, leveling agent 0.1%, defoamer 0.1%, solvent 11.8%; polyurethane curing agent components The weight percentage of the diluent is: 85% of aliphatic isocyanate polymer, 15% of butyl acetate; the weight percentage of each component of the diluent is: 25% of butyl acetate, 75% of propylene glycol methyl ether acetate. The solvent in this example is butyl acetate.

[0049] The above-mentioned high-performance anti-icing coating for high-speed trains is prepared through the following steps:

[0050] 1. Preparation of paint main agent:

[0051] In container A, add in the following proportions: 45% fluorocarbon resin, 40...

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Abstract

The invention discloses a high-performance anti-icing paint used for high speed bullet trains, and a preparation method thereof. The high-performance anti-icing paint used for high speed bullet trains is composed of a paint main ingredient, a polyurethane curing agent, and a diluent; the paint main ingredient is composed of fluorocarbon resin, silicon modified acrylic resin, an anti-aging auxiliary agent, a levelling agent, and an antifoaming agent; the polyurethane curing agent is composed of an aliphatic isocyanate polymer, and butyl acetate; and the diluent is composed of butyl acetate, and propylene glycol methyl ether acetate. The high-performance anti-icing paint is prepared via combination of the above three ingredients. It is confirmed by test and applications that the high-performance anti-icing paint is high in adhesive force, impact resistance, flexibility, weatherability, and possesses excellent long-lasting anti-icing capacity; and cleaning is convenient.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a high-performance anti-icing coating for high-speed trains and a preparation method thereof. Background technique [0002] Anti-icing coatings have a wide range of applications, but are rarely used in the rail transit industry. The traditional anti-icing method widely used in the rail transit industry is: spraying anti-icing reagents. This method is not permanent and requires repeated spraying, which is costly and pollutes the environment. [0003] Anti-icing coatings require low cohesion between coatings and ice: there are two forces between ice and coatings, one is van der Waals force and the other is electrostatic force. The van der Waals force is reflected in the hydrophobic nature of the coating, and the electrostatic force is reflected in the dielectric constant of the coating surface. Coatings with hydrophobic properties and a low dielectric constant on the surface h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D127/12C09D7/00
CPCC09D175/04C08L27/12
Inventor 戴惠新赵世红郑云昊方振卫张梦樵罗瑞
Owner NANJING ZHONGCHE PUZHEN URBAN RAIL VEHICLE CO LTD
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