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1996•Acta Polymerica SinicaRequires access

COPOLYMERIZATION OF PROPENE AND OCTENE-1 USING rac -Et(Ind)_2 ZrCl_2 / MAO CATALYST

Jiadong Li

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Abstract

he copolymerization of propene and octene- I using rac-Et(Ind)2ZrCl2 /MAO catalyst has been investigated. Results show that with increasing theconcentration of octene-l in the system, the catalytic activity increased first and then decreased, the incorporation rate of octene- I increased, and in consequence, M,Tm, crystallinity of copolymer decreased. The monomer composition and sequencedistribution of the copolymers were determined by IR and 13C-NMR.

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What this paper is about

he copolymerization of propene and octene- I using rac-Et(Ind)2ZrCl2 /MAO catalyst has been investigated. Results show that with increasing theconcentration of octene-l in the system, the catalytic activity increased first and then decreased, the incorporation rate of octene- I increased, and in consequence, M,Tm, crystallinity of copolymer decreased. The monomer composition and sequencedistribution of the copolymers were determined by IR and 13C-NMR.

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Available abstract

he copolymerization of propene and octene- I using rac-Et(Ind)2ZrCl2 /MAO catalyst has been investigated. Results show that with increasing theconcentration of octene-l in the system, the catalytic activity increased first and then decreased, the incorporation rate of octene- I increased, and in consequence, M,Tm, crystallinity of copolymer decreased. The monomer composition and sequencedistribution of the copolymers were determined by IR and 13C-NMR.

Key concepts: Copolymer, Propene, 1-Octene, Catalysis, Octene, Monomer, Polymer chemistry, Crystallinity

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