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Preparation method of insulating encapsulating wax

A technology for potting wax and petroleum wax, which is applied in the field of preparation of insulating potting wax, can solve the problem of insulating impregnation potting having no usable performance, etc., and achieve excellent electrical insulation performance, moisture resistance, good protection, and good liquid fluidity. Effect

Inactive Publication Date: 2020-01-14
刘程秀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sealing wax for electronic components, including petroleum wax, polymer wax, tackifier and plasticizer, is mainly used for the positioning and sealing of electronic tuners, inductance coils and other electronic component coils, but for liquid fluidity, medium The insulation impregnation potting of electronic transformers and high-frequency transformers with high requirements such as loss does not have the best performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1, 80# microcrystalline wax, dropping point 81.6°C, 86%, polyethylene wax L-913, average molecular weight 3000, 2%; polyisobutylene, average molecular weight 1000, 6%; medical vaseline, dropping point 69.5°C, 6%.

Embodiment 2

[0020] Example 2, 75# microcrystalline wax, dropping point 76.4°C, 85%; polyethylene wax L-913, 3%; polyisobutylene, 6.5%; medical vaseline, dropping point 65.5°C, 5.5%.

Embodiment 3

[0021] Example 3, 85# microcrystalline wax dropping point 82.4 ℃, 86%; polyethylene wax L-913, average molecular weight 3000, 2%; polyisobutylene, average molecular weight 1000, 7%; medical vaseline, dropping point 65.5 ℃, 8 %.

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PUM

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Abstract

The invention relates to a preparation method of insulating encapsulating wax, namely, a preparation method of insulating encapsulating wax used on devices such as inductance coils. The invention relates specifically to an insulating encapsulating wax for a transformer, which is especially suitable for insulation encapsulating of electronic transformers, high frequency transformers, inductance coils and coils of other electronic components. The insulating encapsulating wax composition comprises petroleum wax, polymer wax, petroleum grease and tackifier, and is characterized in that it has thecharacteristics of high dropping melting point, excellent high temperature performance, excellent electrical performance, good moisture resistance, no corrosion, no impurities and the like, and makesup for the deficiencies of products in the field in the prior art.

Description

technical field [0001] The invention relates to a preparation method of insulating potting wax, that is, a preparation method of insulating potting wax used on devices such as inductance coils, specifically insulating potting wax for transformers, especially suitable for electronic transformers and high-frequency transformers and Insulation potting of inductor coils and coils of other electronic components. Background technique [0002] In the production of transformers, it is necessary to use insulating impregnated potting wax to carry out insulating impregnated potting on transformers. Simply using commercial paraffin wax or microcrystalline wax, although the price is cheap, has defects such as poor high-temperature performance and toughness and plasticity, and it is easy to lose at working temperature and easy to break under the action of external force. The use of oil is prone to leakage. The use of resin materials has the advantage of good high-temperature performance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L91/06C08L23/06C08L23/20
CPCC08L91/06C08L2201/08C08L2205/025C08L2205/035C08L23/06C08L23/20C08L23/22
Inventor 刘程秀
Owner 刘程秀