Comparative analysis of the clathrate forms of syndiotactic polystyrene, poly (p-methylstyrene) and poly (m-methylstyrene)

被引:11
|
作者
Petraccone, V [1 ]
Tarallo, O [1 ]
机构
[1] Univ Naples Federico II, Dipartimento Chim, I-80126 Naples, Italy
关键词
clathrates; crystal structure; host-guest system; syndiotactic polystyrene; WAXS;
D O I
10.1002/masy.200450934
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The crystal structures of the clathrate forms of syndiotactic polystyrene (s-PS), poly (p-methylstyrene) (s-PPMS) and poly (m-methylstyrene) (s-PMMS) containing guest molecules having widely different steric hindrance are compared in detail. Common features and differences concerning the packing of the chains, the shape and the dimensions of the cavities and the stability of the forms deprived of the guest molecules are pointed out. A new clathrate form of s-PPMS containing CS2 is also described.
引用
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页码:385 / 394
页数:10
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