Flame-retardant plastic shell for capacitor

A technology for flame-retardant plastics and capacitors, applied in the field of capacitors, can solve the problem of low flame retardancy, and achieve the effects of good mechanical properties, good compatibility and uniform dispersion

Active Publication Date: 2018-04-17
ANHUI FEIDA ELECTRICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing plastic casing materials for capacitors are not high in flame retardancy, and cannot meet the needs of many occasions

Method used

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  • Flame-retardant plastic shell for capacitor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A flame-retardant plastic shell for capacitors, which is made of the following components in parts by weight: polybutylene terephthalate 70, ABS plastic 35, filler 6, color masterbatch 1, dimethyl trimethylsilyl phosphonate Ester 3, polyvinyl chloride resin 10, lubricant 6, flame retardant 0.2; the flame retardant is made of the following ingredients in parts by weight: bentonite 2, urea 4, triethyl phosphate 1, lauryl sulfuric acid Sodium2, modified starch4.

Embodiment 2

[0019] A flame-retardant plastic shell for a capacitor, made of the following components by weight: polybutylene terephthalate 90, ABS plastic 45, filler 10, color masterbatch 4, dimethyl trimethylsilyl phosphonate Ester 5, polyvinyl chloride resin 12, lubricant 10, flame retardant 0.4; the flame retardant is made of the following ingredients in parts by weight: bentonite 2, urea 4, triethyl phosphate 1, lauryl sulfuric acid Sodium2, modified starch4.

Embodiment 3

[0021] A flame-retardant plastic shell for capacitors, which is made of the following components by weight: polybutylene terephthalate 80, ABS plastic 40, filler 7, color masterbatch 2, trimethylsilylmethylphosphonic acid dimethyl Ester 4, polyvinyl chloride resin 11, lubricant 8, flame retardant 0.3; the flame retardant is made of the following ingredients in parts by weight: bentonite 2, urea 4, triethyl phosphate 1, lauryl sulfuric acid Sodium2, modified starch4.

[0022] The performance of the flame-retardant plastic casing of the capacitor is compared by experiment:

[0023] Table 1

[0024]

[0025] Among them, Comparative Example 1 is: no modified starch is added when preparing the flame retardant in Example 2 of the present invention, and other ingredients remain unchanged;

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PUM

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Abstract

The invention discloses a flame retardant plastic shell for a capacitor. The flame retardant plastic shell is prepared from, by weight, polybutylene terephthalate, ABS plastic, a filling agent, color master batch, dimethyl trimethylsilylmethylphophonate, polyvinyl chloride resin, a lubricant and a flame retardant. The prepared plastic shell for the capacitor is good in mechanical performance, high in flame retardance, good in processability and low in cost and melt viscosity.

Description

technical field [0001] The invention relates to the technical field of capacitors, in particular to a flame-retardant plastic case for capacitors. Background technique [0002] Capacitors are one of the electronic components widely used in electronic equipment, and are widely used in DC blocking, coupling, bypass, filtering, tuning loops, energy conversion, control circuits, etc. However, the existing plastic casing materials for capacitors have low flame retardancy and cannot meet the requirements of many occasions. Contents of the invention [0003] The object of the present invention is to provide a flame-retardant plastic casing for capacitors. [0004] The present invention is realized through the following technical solutions: [0005] A flame-retardant plastic shell for capacitors, which is made of the following components by weight: polybutylene terephthalate 70-90, ABS plastic 35-45, filler 6-10, color masterbatch 1-4, three methyl 3-5 dimethyl silylmethylphosp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/02C08L55/02C08L27/06C08L3/04C08K13/02C08K3/34C08K5/21C08K5/521C08K5/41
CPCC08L67/02C08L2201/02C08L2203/20C08L2205/035C08L2310/00C08L55/02C08L27/06C08L3/04C08K13/02C08K3/346C08K5/21C08K5/521C08K5/41
Inventor 胡忠胜华玲萍吴良军
Owner ANHUI FEIDA ELECTRICAL TECH CO LTD
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