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Preparation method and application of a water-based two-component electrothermal coating

A water-based two-component, electrothermal coating technology, applied in conductive coatings, epoxy resin coatings, radiation-absorbing coatings, etc., to achieve good adhesion and stability, high electrical conductivity, improve the efficiency of electric heating and thermal conductivity. performance effect

Inactive Publication Date: 2021-09-28
宁波元盛合新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the current diversified heating situation, electric heating products represented by membranes can no longer meet the increasingly demanding market demand, and there is an urgent need to develop more heat-generating products, such as electric heating wood boards, electric heating glass, electric heating floors, etc., to meet indoor and outdoor needs.

Method used

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  • Preparation method and application of a water-based two-component electrothermal coating
  • Preparation method and application of a water-based two-component electrothermal coating
  • Preparation method and application of a water-based two-component electrothermal coating

Examples

Experimental program
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Effect test

Embodiment 1

[0044] Described a kind of water-based two-component electrothermal paint, comprises each component of following mass parts:

[0045]

[0046] The water-based polymer resin is a hydroxyacrylic acid emulsion (dispersion) or a water-based epoxy emulsion, and the preferred hydroxyacrylic acid emulsion is Changxing 1194-D, and its hydroxyl value is 4.5wt%;

[0047] The water-based curing agent is water-dispersible isocyanate curing agent, amino resin and water-based epoxy curing agent with active hydrogen. The preferred water-dispersible isocyanate curing agent is Wanhua Chemical 268, and its NCO content is 20.4%.

[0048] The conductive material used is the composition of conductive carbon black, graphite, graphene and carbon nanotubes, and the preferred conductive material is that the particle size of conductive carbon black is 100 microns, and the specific surface area is 30m 2 / g, the conductivity is 15S / cm, and the oil absorption value is 250mL / 100g;

[0049] The light-to...

Embodiment 2

[0070] Described a kind of water-based two-component electrothermal paint, comprises each component of following mass parts:

[0071]

[0072] The water-based polymer resin is a hydroxyacrylic acid emulsion (dispersion) or a water-based epoxy emulsion, and the preferred hydroxyacrylic acid emulsion is Hemings. Deqian FS-2460AF, and its hydroxyl value is 1.5wt%;

[0073] The water-based curing agent is water-dispersible isocyanate curing agent, amino resin and water-based epoxy curing agent with active hydrogen. The preferred water-dispersible isocyanate curing agent is Bayer H-3800, and its NCO content is 20.4%.

[0074] Used conductive material is the composition of conductive carbon black, graphite, graphene and carbon nanotube, and preferred conductive material is graphite and its particle diameter is 5 microns, and specific surface area is 30m 2 / g, the conductivity is 5S / cm, and the oil absorption value is 300mL / 100g;

[0075] The light-to-heat conversion enhancer is ...

Embodiment 3

[0096] Described a kind of water-based two-component electrothermal paint, comprises each component of following mass parts:

[0097]

[0098] The water-based polymer resin is a hydroxyacrylic acid emulsion (dispersion) or a water-based epoxy emulsion, and the preferred water-based epoxy emulsion is Changxing W34310, and its epoxy equivalent is 1000;

[0099] The water-based curing agent is a water-dispersible isocyanate curing agent, an amino resin and a water-based epoxy curing agent with active hydrogen, and the preferred amino resin is CYMEL amino resin 303LF.

[0100] The conductive material used is the composition of conductive carbon black, graphite, graphene and carbon nanotubes, and the preferred conductive material is that the graphene sheet particle size is 5 microns, and the specific surface area is 30m 2 / g, the conductivity is 15S / cm, and the oil absorption value is 300mL / 100g;

[0101] The light-to-heat conversion enhancer is boron nitride-supported cerium t...

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Abstract

The application discloses a preparation method and application of a water-based two-component electrothermal paint. The water-based two-component electrothermal coating includes: water-based polymer resin and its curing agent, conductive material, light-to-heat conversion enhancer, auxiliary agent and water; utilizing the synergistic effect of the conductive material and the light-to-heat conversion enhancer to achieve electrical and heat conduction Reinforcement effect: The electrothermal coating with cross-linked structure composed of water-based resin and water-based curing agent has excellent adhesion, strong durability and aging resistance, and can be widely sprayed, rolled or printed on glass, floors, wood, plastic films, etc. The surface is prepared as a heat-generating material.

Description

technical field [0001] The invention relates to the technical field of coating preparation, in particular to a preparation method and application of a water-based two-component electrothermal coating. Background technique [0002] Electrothermal coating is a kind of functional coating that disperses conductive material in polymer resin, and then sprays or rolls on plastic film. The coating can convert electrical energy into heat energy during the electrification process. With the advantages of high efficiency, environmental protection and energy saving, the current product form is mainly printed on the film, and the resin used is mainly one-component resin. Under the current diversified heating situation, electric heating products represented by membranes can no longer meet the increasingly demanding market demand, and there is an urgent need to develop more heat-generating products, such as electric heating wood boards, electric heating glass, electric heating floors, etc.,...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D163/00C09D175/04C09D5/24C09D5/32C09D7/62C09D7/61
CPCC08K2201/005C08K2201/006C08K2201/011C08K2201/014C08L2201/08C08L2203/20C08L2312/00C09D5/24C09D5/32C09D133/04C09D163/00C09D175/04C09D7/61C09D7/62C08L83/12C08K13/06C08K9/12C08K3/24C08K3/04C08K3/042C08K3/041
Inventor 孙姜楠
Owner 宁波元盛合新材料科技有限公司
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