Flame retardant plastic shell for capacitor
A technology of flame-retardant plastics and capacitors, applied in the field of capacitors, can solve the problems of low flame retardancy, achieve good mechanical properties, increase thermal deformation temperature, and strong stability
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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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