Method for preparing ternary copolymerized metalize cast polypropylene resin composition
A technology for ternary copolymerization of polypropylene and resin composition, which is applied in the field of preparation of polypropylene resin composition, can solve the problems of lower material crystallization performance, high n-hexane extract, and limited application range, and achieve low cost and excellent preparation process Simple, Environmentally Friendly Effects
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[0040] According to the proportioning shown in table 1, prepare aluminized terpolymer polypropylene casting film resin composition:
[0041] 1) Preparation of ternary copolymerization polypropylene resin base material
[0042] With propylene as the main raw material, 1-butene and ethylene as comonomers, in a hydrogen atmosphere, under the action of a catalyst (the catalyst is composed of DQC catalyst, triethylaluminum TEAL and electron donor DONOR-D, the three and Propylene feed ratio is: DQC catalyst: triethylaluminum TEAL: electron donor DONOR-D: propylene=0.030~0.036g:0.250~0.310g:0.073~0.093g:1000g), carry out prepolymerization reaction first, then in Copolymerization is carried out in the loop reactor to obtain ternary copolymerization polypropylene resin base material; Wherein, prepolymerization reaction condition is: reaction temperature is 15 ± 1 ℃, and reaction pressure is 3.4 ± 0.1MPa, and reaction time is 30min; Copolymerization reaction condition For: temperature ...
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