Flame retardant modified PC/PET composite material
A composite material and modification technology, applied in the field of flame retardant modified PC and PET composite materials, can solve the problems of limiting the application of halogen-based flame retardant PC/PET alloys, and achieve good impact strength and good effect.
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[0017] The technical solutions of the present invention will be further described below in conjunction with specific preferred embodiments.
[0018] A flame-retardant modified PC and PET composite material, the components of which are: PC 60%, PET 25%, composite flame retardant 10%, ethylene-butyl acrylate-glycidyl methacrylate copolymerization 3% compound, 0.2% compound of hindered phenolic antioxidant 1010 and phosphite antioxidant 168 with a mass ratio of 1:1, 0.8% carbodiimide, and 1% pentaerythritol stearate (PETS) . Wherein, the PC is bisphenol A type aromatic polycarbonate, the weight average molecular weight is 18000-35000g / mol, and the relative density is 1.20-1.22g / cm 3 , the Vicat softening temperature is 145°C-155°C; the PET is polyethylene terephthalate, and its relative density is 1.35-1.38 g / cm 3 , the intrinsic viscosity is 0.6-1.0dL / g; the composite flame retardant is bisphenol A-bis(diphenyl phosphate) (BDP) and polydimethylsiloxane (PDMS) with a mass ratio...
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