CRYSTALLIZATION KINETICS OF HOMOGENEOUS AND HETEROGENEOUS LLDPE*

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CRYSTALLIZATION KINETICS OF HOMOGENEOUS AND HETEROGENEOUS LLDPE*

Papers | Updated：2021-06-21

- CRYSTALLIZATION KINETICS OF HOMOGENEOUS AND HETEROGENEOUS LLDPE*
- Vol. 20, Issue 4, Pages: 339-345(2002)
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- Published：20 August 2002
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CRYSTALLIZATION KINETICS OF HOMOGENEOUS AND HETEROGENEOUS LLDPE*[J]. 2002, 20(4): 339-345.
DOI：

CRYSTALLIZATION KINETICS OF HOMOGENEOUS AND HETEROGENEOUS LLDPE*[J]. 2002, 20(4): 339-345. DOI：

摘要

Based on thermal analysis

the isothermal and nonisothemal crystallization kinetics of Ziegler-Natta catalyzedlinear low density polyethylene (Z-N LLDPE) and metallocene catalyzed LLDPE (m-LLDPE) were studied. Treating theresults with the Avrami equation and the Ozawa equation

the crystallization constant lgk and the Avrami exponent n wereobtained. Some other crystallization parameters were also discussed. According to the different characteristics of the chain structures of Z-N LLDPE and metallocene LLDPE

their crystallization behaviors were analyzed.It is indicated that the homogeneity and heterogeneity of the two polymers act in different way during the crystallization process of polymers

including the nucleation and the growth of crystals under various conditions.

Abstract

Based on thermal analysis

their crystallization behaviors were analyzed.It is indicated that the homogeneity and heterogeneity of the two polymers act in different way during the crystallization process of polymers

including the nucleation and the growth of crystals under various conditions.

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