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Preparation of LLDPE-g-MAH Compatilizer and Its Influence on Property of LLDPE/PA6 Blend

Hongzhong Li

Abstract

With benzoyl peroxide(BPO)as initiator,the graft polymerization of maleic anhydride(MAH)onto LLDPE was studied.The effects of the content of initiator,the concentration of LLDPE and MAH,the reaction time and temperature on the grafting rate were studied by means of orthogonal experiment,and the optimum conditions for the polymerization were obtained.The obtained LLDPE-g-MAH was utilized as compatibilizer of LLDPE/PA6 blends.The compatibility and mechanical propeties of the blends were investigated.The results showed the graft copolymer could obviously improve the compatibility of LLDPE/PA6 blend,being a good compatibilizer.

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Available abstract

Key concepts: Linear low-density polyethylene, Materials science, Maleic anhydride, Benzoyl peroxide, Polymerization, Copolymer, Composite material, Compatibility (geochemistry)