SYNTHESIS AND CHARACTERIZATION OF POLYETHYLENE-b-POLYISOPRENE DIBLOCK COPOLYMERS

Chinese Journal of Applied Chemistry ›› 1988, Vol. 0 ›› Issue (5): 44-47.

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SYNTHESIS AND CHARACTERIZATION OF POLYETHYLENE-b-POLYISOPRENE DIBLOCK COPOLYMERS

Qin Chuan, Pang Deren, Ying Jinghua, Huang Baotong

Changchun Institute of Applied Chemistry, Academia Sinica

Received:1987-07-31 Revised:1987-12-15 Published:1988-10-10 Online:1988-10-10

Abstract

Abstract: Polybutadiene-b-polyisoprene diblock copolymer(PB-b-PI)was synthesized using anionic polymerization initiated by n-butyllithium.PB segment in it was then uniquely hydrogenated in the presence of cobalt 2-ethylhexanoate/triethylaluminium catalyst,giving poly ethylene-b-polyisoprene diblock copolymer(PE-b-PI).The two diblock copolymers were characterized by infrared analysis,GPC,viscosity,DSC,x-ray diffraction and dynamic mechanical measurements.

Key words: Polyethylene-b-polyisoprene diblock copolymer, Polybutadiene-b-polyisoprene diblock copolymer, Synthesis, Characterization

Qin Chuan, Pang Deren, Ying Jinghua, Huang Baotong. SYNTHESIS AND CHARACTERIZATION OF POLYETHYLENE-b-POLYISOPRENE DIBLOCK COPOLYMERS[J]. Chinese Journal of Applied Chemistry, 1988, 0(5): 44-47.

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SYNTHESIS AND CHARACTERIZATION OF POLYETHYLENE-b-POLYISOPRENE DIBLOCK COPOLYMERS

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