SINGLE-MOLECULE SINGLE-CRYSTALS OF ISOTACTIC POLYSTYRENE

被引：40
|
作者：
BU, HH
CHEN, EQ
XU, SY
GUO, KX
WUNDERLICH, B
机构：
[1] ACAD SINICA,BEIJING LAB ELECTR MICROSCOPY,BEIJING 100080,PEOPLES R CHINA
[2] UNIV TENNESSEE,DEPT CHEM,KNOXVILLE,TN 37996
[3] OAK RIDGE NATL LAB,DIV CHEM,OAK RIDGE,TN 37831
来源：
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 1994年 / 32卷 / 08期
关键词：
POLYSTYRENE; SINGLE MOLECULE CRYSTAL; MOLECULAR MASS DISTRIBUTION;
D O I：
10.1002/polb.1994.090320806
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Single-molecule single crystals were grown from amorphous droplets of fractionated isotactic polystyrene. The crystals were analyzed by electron microscopy and electron diffraction. The molecular mass distribution could be matched with a statistical analysis of single-molecule particles (amorphous and crystals). Proof was brought that single molecules of isotactic polystyrene do not reach equilibrium dimensions on crystallization, rather assume the lamellar morphology with chain-folded macroconformation, also known from crystallization of polymolecular crystals. (C) 1994 John Wiley & Sons, Inc.*
引用
收藏
页码：1351 / 1357
页数：7
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