Nucleation of polyvinyl alcohol crystallization by single-walled carbon nanotubes

被引：162
|
作者：
Probst, O [1 ]
Moore, EM [1 ]
Resasco, DE [1 ]
Grady, BP [1 ]
机构：
[1] Univ Oklahoma, Dept Chem Engn & Mat Sci, Norman, OK 73019 USA
来源：
POLYMER | 2004年 / 45卷 / 13期
基金：
美国国家科学基金会;
关键词：
poly(vinyl alcohol); carbon nanotubes; crystallinity;
D O I：
10.1016/j.polymer.2004.04.031
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Non-isothermal crystallization experiments were performed on poly(vinyl alcohol) mixed with single-walled carbon nanotubes. Non-isothermal crystallization experiments showed that nanotubes nucleate crystallinity at weight fractions as low as 0.1%. An Ozawa model was applied to the non-isothermal crystallization data, and this approach confirmed the results deduced from the qualitative examination of the data: there was a clear difference in crystallization kinetics for the 0.1 and 1% sample vs. the sample without nanotubes. Nanotubes were also found to promote the thermal degradation of poly(vinyl alcohol). (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4437 / 4443
页数：7
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