STUDIES ON STRUCTURE AND CHARACTERISTICS OF ETHYLENE/1-BUTENE COPOLYMERS PREPARED BY Co DIIMINE COMPLEX-TiCl4 CATALYSTS

HU Jinmin; LIN Shaoquan; WANG Haihua

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STUDIES ON STRUCTURE AND CHARACTERISTICS OF ETHYLENE/1-BUTENE COPOLYMERS PREPARED BY Co DIIMINE COMPLEX-TiCl4 CATALYSTS

Research Article | 更新时间：2021-03-19

- STUDIES ON STRUCTURE AND CHARACTERISTICS OF ETHYLENE/1-BUTENE COPOLYMERS PREPARED BY Co DIIMINE COMPLEX-TiCl4 CATALYSTS
- Acta Polymerica Sinica Issue 4, Pages: 437-440(2001)
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- Published：20 August 2001，
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HU Jinmin, LIN Shaoquan, WANG Haihua. STUDIES ON STRUCTURE AND CHARACTERISTICS OF ETHYLENE/1-BUTENE COPOLYMERS PREPARED BY Co DIIMINE COMPLEX-TiCl4 CATALYSTS. [J]. Acta Polymerica Sinica (4):437-440(2001)
DOI：

HU Jinmin, LIN Shaoquan, WANG Haihua. STUDIES ON STRUCTURE AND CHARACTERISTICS OF ETHYLENE/1-BUTENE COPOLYMERS PREPARED BY Co DIIMINE COMPLEX-TiCl4 CATALYSTS. [J]. Acta Polymerica Sinica (4):437-440(2001) DOI：

摘要

合成了三种负载型二亚胺配体钴配合物-TiCl4复合催化剂 (CL1、CL2、CL3催化剂) .不用MAO

以烷基铝为助催化剂

用它们催化乙烯/1-丁烯淤浆共聚合制备一系列塑性体和弹性体共聚物 .研究表明

复合催化剂性质受二亚胺配体性质影响

配体L1制备的复合催化剂具有低聚及原位共聚性能

可制得高支化度(36.0～ 61.5branchnumber 1000C)低密度和极低密度 (0.885～0.910g/cm3)塑性体和弹性体共聚物 .在1-丁烯用量低于5%时

CL1催化剂制备的共聚产物中1-丁烯含量超过投料比.

Abstract

Three Co diimine complex-TiCl4 catalysts for slurry copolymerization of ethylene and 1-butene with AlR3 as cocatalyst in the absence of MAO were synthesized and were used to prepare high branching degree copolymers of ethylene with 1-butene．It is found that properties of the catalysts are affected by the characteristics of diimine ligands．the results indicate that the complex catalyst prepared with L1 ligand exhibits the property of oligomerization and copolymerization in-situ．The copolymers prepared by CL1 catalyst are plastics and elastomers

they show high branching degree (36.0～61.5 branch number／1000C) and low density (O.885～0.910 g/m3)

when the 1-butene content of feeding was below 10％

the 1-hutene content in the copolymers is higher than that of feeding．

关键词

复合催化剂低聚和原位共聚共聚物弹性体

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