Reversible local melting in polymer crystals

被引：85
|
作者：
Okazaki, I [1 ]
Wunderlich, B [1 ]
机构：
[1] OAK RIDGE NATL LAB,DIV CHEM & ANALYT SCI,OAK RIDGE,TN 37831
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 1997年 / 18卷 / 04期
关键词：
D O I：
10.1002/marc.1997.030180407
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 melting of poly(ethylene terephthalate) is analyzed by quasi-isothermal, temperature-modulated differential scanning calorimetry. The measurement is done by sinusoidally changing the temperature in the melting range (+/-1.0 K). In the melting range a small portion of the sample melts reversibly. This observation is taken as a direct observation of the reversibility of melting of specific macromolecules as long as they are melting only partially and need no molecular nucleation for recrystallization.
引用
收藏
页码：313 / 318
页数：6
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