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Water-based electric heating coating composition, water-based electric heating coating, preparation method of water-based electric heating coating and electric heating film prepared by water-based electric heating coating

An electrothermal paint and composition technology, applied in the field of paint, can solve problems such as VOC emission and power attenuation, and achieve the effect of reducing production and use emissions and solving power attenuation.

Inactive Publication Date: 2017-10-10
MATERIAL & IND TECH RES INST BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the electrothermal films in the domestic market are Korean technology, using carbon crystal, carbon paste and other coatings, which have serious power attenuation, and serious shortcomings such as VOC (volatile organic compounds) emissions in production and use.

Method used

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  • Water-based electric heating coating composition, water-based electric heating coating, preparation method of water-based electric heating coating and electric heating film prepared by water-based electric heating coating
  • Water-based electric heating coating composition, water-based electric heating coating, preparation method of water-based electric heating coating and electric heating film prepared by water-based electric heating coating
  • Water-based electric heating coating composition, water-based electric heating coating, preparation method of water-based electric heating coating and electric heating film prepared by water-based electric heating coating

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Experimental program
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preparation example Construction

[0048] The present invention also provides a method for preparing the above-mentioned water-based electrothermal coating, wherein the method comprises the following steps:

[0049] (1) mixing and grinding carbon nanotubes, graphene, nano carbon black and aqueous dispersion resin;

[0050] (2) mixing the mixed slurry obtained in step (1) with the aqueous resin emulsion;

[0051] Wherein, the auxiliary agent is optionally introduced in step (1) and / or step (2).

[0052] According to the present invention, the grinding conditions are not particularly limited, and may be conventional conditions in the art. For example, the grinding temperature can be room temperature (for example, 5-45°C);

[0053] Wherein, in step (1), the grinding process includes the first grinding process and the second grinding process, the conditions of the first grinding process include: the grinding speed can be 700-800rpm, and the grinding time can be 50 -70min, the conditions of the second grinding pr...

Embodiment 1

[0070] This example is used to illustrate the composition for water-based electric heating paint of the present invention, the water-based electric heating paint and its preparation method and the electric heating film prepared therefrom

[0071] (1) Water-based dispersion resin (water-based acrylic resin) 1000g, defoamer (polyether modified polydimethylsiloxane) 10g, dispersant (polyether dispersant) 200g, defoamer (organic silicon and Silica composite) 10g, deionized water 4000g are put into grinding kettle and stir 30min with the rotating speed of 800rpm, prepare mixed solution; Then graphene powder 100g, carbon nanotube powder (multi-walled carbon nanotube) 100g 300 g of conductive carbon black powder was added to the mixed solution, and the grinding kettle was ground and stirred at a speed of 800 rpm for 60 min to obtain a dispersion containing carbon nanotubes, graphene and nano-carbon black;

[0072] (2) zirconium beads are added to the dispersion liquid of step (1) to ...

Embodiment 2

[0079] This example is used to illustrate the composition for water-based electric heating paint of the present invention, the water-based electric heating paint and its preparation method and the electric heating film prepared therefrom

[0080] (1) Water-based dispersion resin (water-based polyurethane resin) 1000g, defoamer (BYK-017) 50g, dispersant (polyester dispersant) 1000g, defoaming agent (silicone and silica composite) 100g, Put 7000g of deionized water into the grinding kettle and stir for 30min at a speed of 800rpm to prepare a mixed solution, then add 200g of graphene powder, 300g of carbon nanotube powder, and 500g of conductive carbon black powder into the mixed solution, and grind The kettle was ground and stirred at a speed of 800 rpm for 60 min to obtain a dispersion containing carbon nanotubes, graphene and nano-carbon black;

[0081] (2) zirconium beads are added to the dispersion liquid of step (1) to be mixed with mixed slurry, wherein the consumption of ...

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Abstract

The invention relates to the field of a coating, and particularly relates to a water-based electric heating coating composition, a water-based electric heating coating, a preparation method of the water-based electric heating coating and an electric heating film prepared by the water-based electric heating coating. The water-based electric heating coating composition contains water-based dispersing resin, carbon nanotube, graphene and nano-carbon black, wherein the weight ratio of the carbon nanotube to graphene to nano-carbon black is 1: (0.09-0.4): (0.08-0.3): (0.1-0.7). During the preparation process of the electric heating film by the water-based electric heating coating, a three-dimensional conductivity network is set up in a heating layer by compounding the carbon nanotube, graphene and nano-carbon black, thereby radically solving problems of power attenuation of the electric heating film and emission after production and use.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based electrothermal coating composition, a water-based electrothermal coating, a preparation method thereof, and an electrothermal film prepared therefrom. Background technique [0002] Electric heating film, electric heating mural, electric heating pad, etc. are made of a film that can generate heat after being energized. It is made by printing conductive paint on the film, supplemented by metal current-carrying strips, conductive silver paste and other materials. After decades of development, the application range of electrothermal film has become wider and wider, covering heating, industry, agriculture and other fields. In today's serious air pollution, electrothermal film has a wide range of development space as a non-emission heating method. . The electric heating film can radiate far-infrared rays through the coating, which has physical therapy and health care effects on t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/04C09D5/24H05B3/14
CPCC09D133/00C08K2201/001C08K2201/011C08K2201/014C08L2205/03C09D5/24C09D175/04H05B3/14C08L83/04C08K13/04C08K7/24C08K3/04
Inventor 张林古月文志智云霞张超薛飞宗宪波
Owner MATERIAL & IND TECH RES INST BEIJING
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