Novel electrically conductive and controllable heating electrothermal coating and preparation method thereof

A technology for electrothermal coatings and conductive materials, applied in conductive coatings, epoxy resin coatings, coatings, etc., can solve the problems of potential safety hazards, uneven heating, overheating, etc., and achieve excellent coating stability, uniform and uniform heating Excellent effect

Inactive Publication Date: 2019-10-25
上海想呗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the heating paint itself, this kind of electric heating paint will cause uneven heating, serious local overheating, and potential safety hazards.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0044] The second aspect of the present invention provides a method for preparing the novel conductive and controllable heating electrothermal coating, which at least includes the following steps: (1) firstly add conductive materials and resin binders to water, mix and stir evenly , stirring speed is 2000-4000r / min, stirring time is 10min-20min; (2) then add carbon nanotube slurry, continue stirring, stirring speed is 6000-10000r / min, stirring time is 10min-30min; (3 ) continue to add the water-based resin emulsion, reduce the stirring speed to 800-1500r / min, and the stirring time is 2-5min, to obtain.

[0045] In some preferred embodiments, the preparation method of the novel conductive and controllable heating electrothermal coating at least includes the following steps: (1) firstly add the conductive material and the resin binder into the water, mix and stir evenly, and the stirring speed 2500-3500r / min, stirring time is 15min; (2) Then add carbon nanotube slurry, continue ...

Embodiment 1

[0050] A new type of electrothermal paint with conductive controllable heat generation. The raw materials include: conductive material, resin binder, and water; the weight ratio of the emulsion A, graphite powder, carbon nanotubes, and graphene is 1:0.08:0.08:0.05; The usage amount of the resin binder is 0.05wt% of the total mass of the conductive material and water.

[0051] The bulk density of the carbon nanotubes is 0.05g / cm 3 , purchased from Chengdu Organic Chemistry Co., Ltd., Chinese Academy of Sciences, the model is TNSRH; the particle size of the graphite powder is 1800 mesh, purchased from Shanghai Xili Carbon Co., Ltd.; the thickness of the graphene is 2nm, and the diameter is 2μm, purchased From Chengdu Organic Chemistry Co., Ltd., Chinese Academy of Sciences, the model is TNRGO; the resin binder is mortar glue, which is purchased from Langfang Jacks Chemical Products Co., Ltd., and the model is 8050. The conductive material also includes molybdenum silicide powde...

Embodiment 2

[0054] A new type of electrothermal coating with conductive controllable heating. The raw materials include: conductive material, resin binder, and water; the weight ratio of the emulsion A, graphite powder, carbon nanotubes, and graphene is 1:0.05:0.06:0.01; The usage amount of the resin binder is 0.02wt% of the total mass of the conductive material and water.

[0055] The bulk density of the carbon nanotubes is 0.027g / cm 3 , purchased from Chengdu Organic Chemistry Co., Ltd., Chinese Academy of Sciences, the model is TNSR; the particle size of the graphite powder is 1000 mesh, purchased from Shanghai Xili Carbon Co., Ltd.; the thickness of the graphene is 0.8nm, and the diameter is 1 μm. Purchased from Chengdu Organic Chemistry Co., Ltd., Chinese Academy of Sciences, the model is TNRGO; the resin binder is mortar glue, purchased from Langfang Jacks Chemical Products Co., Ltd., and the model of the special rubber powder for external wall anti-cracking mortar is 8060.

[0056...

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Abstract

The invention relates to the field of electrothermal coating, and provides a novel electrically conductive and controllable heating electrothermal coating. The raw materials at least contain: conductive materials, resin binding materials and water; the raw materials of the conductive materials include graphite powder, carbon nano tubes and graphene; and the weight ratio of an emulsion A, the graphite powder, the carbon nano tubes and the graphene is 1: (0.05 to 0.1): (0.5 to 1): (0.01 to 0.1).

Description

technical field [0001] The invention relates to the field of electrothermal coatings, in particular to a novel conductive and controllable heating electrothermal coating and a preparation method thereof. Background technique [0002] Electrothermal coating is a new type of functional material with excellent electrothermal properties developed on the basis of conductive coatings. When the resistance material is energized, the coating can generate Joule heating. As a new type of functional coating, electrothermal coating has broad application prospects. For example, it can be used for indoor and outdoor heating of buildings, and can be made into self-controlling electric heating tables, electric water heaters, and industrial medium and low temperature baking furnaces, etc. fields have important practical value. [0003] At present, there are many kinds of electrothermal coatings researched in the prior art. The electrothermal coatings on the market are based on the heating c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D125/14C09D5/24
CPCC08K2201/001C09D5/24C09D125/14C09D163/00C08K3/04C08K3/041C08K3/042C08K3/34
Inventor 朱宇振朱宇锋
Owner 上海想呗科技有限公司
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