High-temperature insulating gel for electric heating film heating pipe

An electrothermal film heating tube and high-temperature insulation technology, which is applied in coatings, epoxy resin coatings, etc., can solve the problems of wear resistance, acid and alkali resistance, bonding firmness, and cold and heat cycle resistance. Excellent electrical insulation, small power attenuation, and good folding resistance
CN102127356BActive Publication Date: 2013-06-05上海跨博电器有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
上海跨博电器有限公司
Publication Date
2013-06-05

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Abstract

The invention discloses a formula of high-temperature insulating gel for an electric heating film heating pipe. In the formula, the high-temperature insulating gel comprises the following components in percentage by weight: 20-30 percent of epoxy resin, 5-15 percent of epoxy resin insulating coating, 7-15 percent of ester ether solvent, 6-12 percent of ketone solvent, 15-25 percent of ester solvent, 5-10 percent of alcohol ether and 10-20 percent of glycidol ether thinner. A coating prepared according to the formula is coated outside an electric heating film of the electric heating film heating pipe, and has the advantages of wear resistance, acid and alkaline resistance, bonding fastness and high thermo-cycling resistance.
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Description

technical field

[0001] The invention relates to the electric heating film heating tube technology. Background technique

[0002] The Chinese invention patent with application number 91100621.4 disclosed a high temperature resistant composite insulating coating on July 10, 1991. This high temperature resistant composite insulating coating is composed of high temperature resistant resin, high temperature resistant solid filler and resin modified material. The weight ratio of the components is 100:25-80:5-30. The mixed paint can be applied to the surface of the carrier by spraying, brushing or dipping, and is sintered at 200-400°C to form a high-temperature resistant insulating layer. However, the wear resistance, acid and alkali resistance, bonding firmness and cold and heat cycle resistance of this kind of high temperature resistant composite insulating coating are not good enough. Contents of the invention

[0003] The technical problem to be solved by the present inventi...

Claims

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