Non-isothermal crystallization behaviors of polyamide 6/clay nanocomposites

被引：189
|
作者：
Liu, XH [1 ]
Wu, QJ [1 ]
机构：
[1] Lulea Univ Technol, Div Polymer Engn, S-97187 Lulea, Sweden
来源：
EUROPEAN POLYMER JOURNAL | 2002年 / 38卷 / 07期
关键词：
polyamide 6/clay nanocomposite; non-isothermal crystallization; kinetics; crystallinity degree; crystalline form;
D O I：
10.1016/S0014-3057(01)00304-4
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The non-isothermal crystallization behaviors of polyamide 6/clay nanocomposite (PA6CN) were investigated by differential scanning calorimetry (DSC) and X-ray diffraction (XRD). DSC results showed that the nanometric silicate layers in PA6CN acted as effective nucleation agents. The addition of silicate layers influenced the mechanism of nucleation and the growth of PA6 crystallites. The DSC results also implied an unusual phenomenon, in contrast to PA6, the crystallinity degree of PA6CN increased with increasing cooling rate. XRD results verified this phenomenon and indicated that the addition of silicate layers favored the formation of the gamma crystalline form. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1383 / 1389
页数：7
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