PCSP:: a computer program to predict and analyze the packing in crystalline polymers

被引:22
作者
León, S [1 ]
Navas, JJ [1 ]
Alemán, C [1 ]
机构
[1] Univ Politecn Catalunya, ETS Engn Ind Barcelona, Dept Engn Quim, E-08028 Barcelona, Spain
关键词
PCSP; crystalline polymers; orthorhombic polyethylene;
D O I
10.1016/S0032-3861(99)00089-0
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A computational strategy based on force-field calculations was developed to predict and analyze the packing in crystalline polymers. The strategy, which was incorporated in a computer program called Prediction of the Crystal Structure of Polymers (PCSP), takes advantage of the information provided by X-ray and/or electron diffraction. The program evaluates all the modes of packing for a given lattice dimensions, being able to predict the lowest energy one. The ability of the method to provide reliable results was proved by analyzing the crystal structure of four different polymers. Further, an insight on the applicability of the PCSP program to estimate the mechanical properties of polymers was provided by computing the elastic constants of the orthorhombic polyethylene. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:7351 / 7358
页数:8
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