PLASTIC-DEFORMATION AND SUBSEQUENT CRYSTALLIZATION OF THIN-FILMS OF ISOTACTIC ATACTIC POLYSTYRENE (IPS APS) BLENDS

被引：15

作者：

KRUG, H ^{[1
]}

KARBACH, A ^{[1
]}

PETERMANN, J ^{[1
]}

机构：

[1] TECH UNIV HAMBURG, D-2100 HAMBURG 90, FED REP GER

来源：

POLYMER | 1984年 / 25卷 / 11期

关键词：

CRYSTALLIZATION; -; CRYSTALS; Structure; MICROSCOPES; ELECTRON - POLYMERS - Blending - POLYSTYRENES - Thin Films;

D O I：

10.1016/0032-3861(84)90166-6

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Thin films of crystallized and noncrystallized isotactic polystyrene (iPS) and its blends with atactic polystyrene (aPS) were deformed below their glass transition temperature T//g. Deformation occurs in a very narrow 'deformation zone' ( lambda equals 4 nm) and the deformed material exhibits long range order independent of the crystallinity of the films till concentrations of aPS up to 15%. Films containing more than 20% aPS do not show long range order within the deformed material even after subsequent annealing above T//g. From these results, which were obtained by transmission electron microscopy and electron diffraction, the conclusion is drawn that the molecular processes of crazing in amorphous polymers and the high local deformation of polymer single crystals are obeying similar mechanisms.

引用

页码：1687 / 1689

页数：3

共 13 条

[1] REPTATION OF A POLYMER CHAIN IN PRESENCE OF FIXED OBSTACLES [J].