Crystallization behaviour of syndiotactic poly-1,2(4-methyl-1,3-pentadiene)

被引：1
|
作者：
Petrillo, E
Russo, R
Longo, P
Vittoria, V
机构：
[1] UNIV SALERNO,DIPARTIMENTO INGN CHIM & ALIMENTAIRE,I-84080 FISCIANO,SA,ITALY
[2] CNR,IST RIC & TECNOL MAT PLAST,I-80072 ARCO,NA,ITALY
[3] UNIV SALERNO,DIPARTIMENTO CHIM,I-84080 BARONISSI,SA,ITALY
来源：
POLYMER | 1997年 / 38卷 / 15期
关键词：
poly-1,2(4-methyl-1,3-pentadiene); crystallization; mechanical properties;
D O I：
10.1016/S0032-3861(96)00943-3
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Different crystallization conditions were investigated for syndiotactic poly-1,2-(4-methyl-1,3-pentadiene) (P4MPD). The thermal crystallization is a slow process. At 60 degrees C long times are needed to induce the structural rearrangements. Much shorter times are necessary for oriented samples, so that strain-induced crystallization occurs in a few hours. Solvent-induced crystallization produces a crystalline phase having small and poorly ordered crystallites. The crystallization process enhances the properties of the polymer, increasing both the modulus and the strength. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：3875 / 3878
页数：4
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