An unusual crystallization behavior in polyamide 6/montmorillonite nanocomposites

被引：1
|
作者：
Wu, QJ [1 ]
Liu, XH [1 ]
Berglund, LA [1 ]
机构：
[1] Lulea Univ Technol, Div Polymer Engn, S-97187 Lulea, Sweden
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2001年 / 22卷 / 17期
关键词：
crystallization; montmorillonite; nanocomposites; PA6; polyamides;
D O I：
10.1002/1521-3927(20011101)22:17<1438::AID-MARC1438>3.0.CO;2-U
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 crystallization behavior and structure of polyamide 6 (PA6) nanocomposites containing 3 wt.-% montmorillonite (MMT) were investigated for different cooling conditions using differential scanning calorimetry and X-ray diffraction. In sharp contrast to PA6 and other semicrystalline polymers, increased cooling rates resulted in higher crystallinity of PA6/MMT. The. highest crystallinity (60.8%) occurred in the liquid nitrogen-quenched PA6/MMT film. The results show that the gamma -crystalline form is dominant in the rapidly cooled PA6/MMT.
引用
收藏
页码：1438 / 1440
页数：3
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