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
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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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