Trilayer crystalline lamellar morphology under confinement

被引：20

作者：

Chung, TM

Ho, RM ^{[1
]}

Kuo, JC

Tsai, JC

Hsiao, BS

Sics, I

机构：

[1] Natl Tsing Hua Univ, Dept Chem Engn, Hsinchu 30013, Taiwan

[2] Natl Chung Cheng Univ, Dept Chem Engn, Chiayi 62142, Taiwan

[3] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA

来源：

MACROMOLECULES | 2006年 / 39卷 / 08期

关键词：

D O I：

10.1021/ma0526342

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 peculiar crystalline texture underconfinement, a trilayer syndiotactic polypropylene crystalline lamellar morphology in between vitrified polystyrene confinement in the polystyrene-b-syndiotactic polypropylene diblock copolymers, was analyzed. The microphase-separated lamellar microdomains and the formed sPP crystallinelamela were both oriented. The sPP chains in the microphase-separated microdomains indeed appear as highly stretched chains under thermodynamic consideration. This explains the occurrence of specific crystalline orientation with respect to the pS layer where the orientation might be initiated from the highly stretched sPP chains.

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收藏

页码：2739 / 2742

页数：4

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