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Special insulating paint for electrical equipment shell and preparation method thereof

A technology for electrical equipment and insulating paints, applied in coatings, epoxy resin coatings, polyester coatings, etc., can solve the problems of poor thermal conductivity of insulating paints, poor weather resistance, single application occasions, etc., to achieve good weather resistance and rapid heat dissipation. , The effect of excellent crack resistance

Inactive Publication Date: 2018-08-10
HEFEI SHANGQIANG ELECTRIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The insulating varnish in the prior art has poor thermal conductivity and weather resistance, and is applicable to a single occasion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] This embodiment relates to a special insulating varnish for electrical equipment casings, including the following raw materials in parts by weight: 20 parts of epoxy resin, 15 parts of phenolic resin, 12 parts of alkyd resin, 16 parts of hydrogen-containing silicone oil, 7 parts of xylene, nano-diamond 3 parts, 6 parts of modified diatomite, 2 parts of tetraisopropyl titanate, 1 part of calcium lignosulfonate, 2 parts of lignocellulose, 2 parts of calcium stearate, 1 part of polydimethylsiloxane 2 parts, 2 parts of coupling agent, 1 part of curing agent, 2 parts of leveling agent.

[0026] Wherein, the preparation method of described modified diatomite is as follows:

[0027] First calcinate diatomite at 500°C for 2 hours, after cooling, ball mill through a 100-200 mesh sieve, then soak in 9% acetic acid solution for 5 hours, take it out, wash with deionized water until Neutral, add sorbitan monooleate equivalent to 3% by weight of diatomite, mix evenly, dry, grind int...

Embodiment 2

[0037] This embodiment relates to a special insulating varnish for electrical equipment shells, including the following raw materials in parts by weight: 30 parts of epoxy resin, 24 parts of phenolic resin, 21 parts of alkyd resin, 23 parts of hydrogen-containing silicone oil, 13 parts of xylene, nano-diamond 9 parts, 12 parts of modified diatomite, 5 parts of tetraisopropyl titanate, 4 parts of calcium lignosulfonate, 3 parts of lignocellulose, 4 parts of calcium stearate, 3 parts of polydimethylsiloxane 5 parts, 5 parts of coupling agent, 2 parts of curing agent, 3 parts of leveling agent.

[0038] Wherein, the preparation method of described modified diatomite is as follows:

[0039] First calcinate diatomite at 500°C for 2 hours, after cooling, ball mill through a 100-200 mesh sieve, then soak in 9% acetic acid solution for 5 hours, take it out, wash with deionized water until Neutral, add sorbitan monooleate equivalent to 3% by weight of diatomite, mix evenly, dry, grind...

Embodiment 3

[0049] This embodiment relates to a special insulating varnish for electrical equipment shells, including the following raw materials in parts by weight: 23 parts of epoxy resin, 18 parts of phenolic resin, 15 parts of alkyd resin, 18 parts of hydrogen-containing silicone oil, 9 parts of xylene, nano-diamond 4 parts, 8 parts of modified diatomite, 3 parts of tetraisopropyl titanate, 2 parts of calcium lignosulfonate, 2.3 parts of lignocellulose, 2.5 parts of calcium stearate, 1.7 parts of polydimethylsiloxane parts, 3 parts of coupling agent, 1.2 parts of curing agent, and 2.3 parts of leveling agent.

[0050] Wherein, the preparation method of described modified diatomite is as follows:

[0051] First calcinate diatomite at 500°C for 2 hours, after cooling, ball mill through a 100-200 mesh sieve, then soak in 9% acetic acid solution for 5 hours, take it out, wash with deionized water until Neutral, add sorbitan monooleate equivalent to 3% by weight of diatomite, mix evenly, ...

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PUM

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Abstract

The invention discloses special insulating paint for an electrical equipment shell. The special insulating paint is prepared from the following raw materials in parts by weight: 20 to 30 parts of epoxy resin, 15 to 24 parts of phenolic resin, 12 to 21 parts of alkyd resin, 16 to 23 parts of hydrogen-containing silicone oil, 7 to 13 parts of xylol, 3 to 9 parts of nano diamond, 6 to 12 parts of modified diatomite, 2 to 5 parts of tetraisopropyl titanate, 1 to 4 parts of calcium lignosulfonate, 2 to 3 parts of lignocellulose, 2 to 4 parts of calcium stearate, 1 to 3 parts of polydimethylsiloxane, 2 to 5 parts of coupling agent, 1 to 2 parts of curing agent and 2 to 3 parts of flatting agent. The special insulating paint for the electrical equipment shell, disclosed by the invention, has goodheat-conduction performance, has good weather resistance and is applicable to various occasions.

Description

technical field [0001] The invention belongs to the technical field of insulating varnish, and in particular relates to a special insulating varnish for electrical equipment shells and a preparation method thereof. Background technique [0002] Insulating varnish, also known as insulating paint, is a paint with excellent electrical insulation. It has good electrochemical properties, thermal properties, mechanical properties and chemical properties. It is mostly varnish and colored paint. Insulating varnish is a kind of special varnish in varnish. Insulating varnish is an important insulating material based on high molecular polymer, which can be cured into an insulating film or an insulating whole under certain conditions. [0003] The insulating varnish in the prior art has poor thermal conductivity and weather resistance, and is applicable to a single occasion. Contents of the invention [0004] The present invention provides a special insulating varnish for electrica...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D161/06C09D167/08C09D183/05C09D5/25C09D7/61C09D7/62C09D7/65
CPCC09D163/00C08K2201/011C08L2203/202C08L2205/025C08L2205/035C09D5/00C09D7/61C09D7/62C09D7/65C08L61/06C08L67/08C08L83/04C08K13/06C08K9/04C08K3/04C08K7/26C08K5/098
Inventor 程劲松
Owner HEFEI SHANGQIANG ELECTRIC TECH CO LTD
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