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Breakdown-resistant insulating paint

An insulating coating and breakdown-resistant technology, applied in epoxy resin coatings, coatings, etc., can solve problems such as poor mechanical strength and high temperature curing, and achieve the effects of strong adaptability, good breakdown resistance, and simple and convenient construction

Active Publication Date: 2011-02-09
QINGDAO AIR NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, silicone resins also have obvious disadvantages, such as poor adhesion, poor mechanical strength and high temperature curing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A breakdown-resistant insulating coating in this embodiment is formed by uniformly mixing two emulsions A and B at a weight ratio of 10:1, wherein:

[0017] A emulsion includes the following components by weight: 30 parts of silicone modified epoxy resin, 25 parts of 325 mesh mica powder, 15 parts of 800 mesh ceramic powder, 15 parts of 400 mesh aluminum hydroxide, 20 parts of mixed solvent, modified bentonite 5 parts, 5 parts of modified polyurethane, 8 parts of halogen-free flame retardant, 5 parts of antimony trioxide, 0.8 part of defoamer, 1.0 part of leveling agent, 1.0 part of wetting and dispersing agent.

[0018] Emulsion B includes the following components in parts by weight: 25 parts of polyamide curing agent and 25 parts of mixed solvent.

[0019] The above mixed solvent has the following components by weight: 3 parts of n-butanol, 6 parts of xylene, and 2 parts of acetone, which are uniformly mixed.

[0020] The preparation method of the breakdown-resistant...

Embodiment 2

[0026] A breakdown-resistant insulating coating in this embodiment is formed by uniformly mixing two emulsions A and B at a weight ratio of 10:1, wherein:

[0027] A emulsion includes the following components by weight: 60 parts of silicone modified epoxy resin, 40 parts of 200 mesh mica powder, 10 parts of 325 mesh and 1000 mesh ceramic powder, 15 parts of 300 mesh aluminum hydroxide, 10 parts of quartz sand, mixed 25 parts of solvent, 6 parts of modified bentonite, 6 parts of modified polyurethane, 12 parts of halogen-free flame retardant, 8 parts of antimony trioxide, 1.0 part of defoamer, 1.0 part of leveling agent, 1.5 parts of wetting and dispersing agent.

[0028] Emulsion B includes the following components in parts by weight: 30 parts of polyamide curing agent and 20 parts of mixed solvent.

[0029] The above mixed solvent has the following components by weight: 3 parts of n-butanol, 6 parts of xylene, and 2 parts of acetone, which are uniformly mixed.

[0030] The p...

Embodiment 3

[0035] A breakdown-resistant insulating coating in this embodiment is formed by uniformly mixing two emulsions A and B at a weight ratio of 10:1, wherein:

[0036] A emulsion includes the following components by weight: 40 parts of silicone modified epoxy resin, 15 parts of 400 mesh mica powder, 10 parts of 200 mesh aluminum hydroxide, 20 parts of 400 mesh quartz sand, 10 parts of 325 mesh glass powder, mixed 25 parts of solvent, 8 parts of modified bentonite, 10 parts of modified polyurethane, 10 parts of halogen-free flame retardant, 6 parts of antimony trioxide, 0.8 part of defoamer, 1.0 part of leveling agent, 1.2 parts of wetting and dispersing agent.

[0037] Emulsion B includes the following components in parts by weight: 20 parts of polyamide curing agent and 30 parts of mixed solvent.

[0038] The above mixed solvent has the following components by weight: 3 parts of n-butanol, 6 parts of xylene, and 2 parts of acetone, which are uniformly mixed.

[0039] The prepara...

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Abstract

The invention provides breakdown-resistant insulating paint. The breakdown-resistant insulating paint is prepared by mixing emulsion A and emulsion B in a weight ratio of the mixing emulsion A to the emulsion B of 10:1, wherein the emulsion A comprises 30 to 60 parts of organic silicon modified epoxy resin, 50 to 80 parts of filler, 20 to 50 parts of mixed solvent, 5 to 20 parts of inorganic thickening agent, 5 to 10 parts of toughening agent, 5 to 15 parts of flame retardant and 5 to 15 parts of auxiliary flame retardant; and the emulsion B comprises 10 to 30 parts of curing agent and 10 to 30 parts of mixed solvent. One or more of mica powder, ceramic powder, aluminium hydroxide and quartz sand serves as the filler, so the breakdown-resistant insulating paint has excellent breakdown resistance. The breakdown-resistant insulating paint has high adaptability, excellent weather resistance and ageing resistance, excellent adhesion to various metal base materials, high solid content, lowvolume shrinking percentage when being dried and cured and high cracking resistance; and the breakdown-resistant insulating paint can be cured at normal temperature, so the breakdown-resistant insulating paint is simple, convenient, safe and reliable for application.

Description

technical field [0001] The invention relates to an insulating coating, in particular to a breakdown-resistant insulating coating with organosilicon modified epoxy resin as the main base material. Background technique [0002] With the development of the science and technology industry, we have higher and higher requirements for the performance of insulating materials. We have developed H-class, C-class, outdoors with excellent performance, and can be used in high temperature, humidity, severe cold, large temperature difference, strong radiation, corrosive High-voltage insulating materials for harsh environmental conditions such as oil pollution, salt spray, etc. are a worldwide topic in the field of new electrical materials. Among them, the breakdown resistance of the material is an important index to measure the electrical performance of the material, and the insulation failure caused by the breakdown of the material often brings catastrophic consequences. The breakdown me...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/25
Inventor 郭焱
Owner QINGDAO AIR NEW MATERIALS
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