The FT-Raman spectroscopic study of polymers at temperatures in excess of 200°C

被引：28

作者：

Brookes, A ^{[1
]}

Dyke, JM ^{[1
]}

Hendra, PJ ^{[1
]}

Meehan, S ^{[1
]}

机构：

[1] Univ Southampton, Dept Chem, Southampton SO17 1BJ, Hants, England

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 1997年 / 53卷 / 13期

关键词：

FT-Raman; polymers; melts; high temperatures; order;

D O I：

10.1016/S1386-1425(97)00171-6

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Two polymers, isotactic polypropylene and poly(ethylene terepthalate) were studied at temperatures below, at and above their melting points. FT-Raman spectra at temperatures over 200 degrees C were obtained using a cut off filter at 1490 nm to remove the black body radiation. Results confirm the retention of some crystallinity for a few degrees above the melting point. The significance is discussed. (C) 1997 Elsevier Science B.V.

引用

页码：2313 / 2321

页数：9

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