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2001•Acta Scientiarum Naturalium Universitatis SunyatseniRequires access

Processability and Application of Metallocene Linear Low Density Polyethylene

Zhao Zhao, Zhenxing

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Abstract

1. The structure and feature ofm-LLDPE Due to having a kind of active site in metallocene catalyst, the rate of polymerization and insertion of comonomer are very uniform. Compared with conventional LLDPE, the structure of m-LLDPE has such features: (1) a narrow molecular weight distribution, about 2.0-2.5. The conventional LLDPE, however, has a wide molecular weight distribution, about 4.0-8.0, (2) the distribution of comonomer between different m-LLDPE molecular chain is very uniform, (3) the distribution of comonomer intermolecular-chain is very uniform.

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What this paper is about

1. The structure and feature ofm-LLDPE Due to having a kind of active site in metallocene catalyst, the rate of polymerization and insertion of comonomer are very uniform. Compared with conventional LLDPE, the structure of m-LLDPE has such features: (1) a narrow molecular weight distribution, about 2.0-2.5. The conventional LLDPE, however, has a wide molecular weight distribution, about 4.0-8.0, (2) the distribution of comonomer between different m-LLDPE molecular chain is very uniform, (3) the distribution of comonomer intermolecular-chain is very uniform.

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Available abstract

1. The structure and feature ofm-LLDPE Due to having a kind of active site in metallocene catalyst, the rate of polymerization and insertion of comonomer are very uniform. Compared with conventional LLDPE, the structure of m-LLDPE has such features: (1) a narrow molecular weight distribution, about 2.0-2.5. The conventional LLDPE, however, has a wide molecular weight distribution, about 4.0-8.0, (2) the distribution of comonomer between different m-LLDPE molecular chain is very uniform, (3) the distribution of comonomer intermolecular-chain is very uniform.

Key concepts: Comonomer, Linear low-density polyethylene, Metallocene, Polyethylene, Molar mass distribution, Materials science, Polymer chemistry, Polymerization

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