CRYSTALLINITY OF POLY(TETRAFLUOROETHYLENE) USING RAMAN-SPECTROSCOPY

被引：15
作者：
LEHNERT, RJ
HENDRA, PJ
EVERALL, N
机构：
[1] UNIV SOUTHAMPTON,DEPT CHEM,SOUTHAMPTON SO17 1BJ,HANTS,ENGLAND
[2] ICI PLC,WILTON MAT RES CTR,MIDDLESBROUGH TS6 8JE,CLEVELAND,ENGLAND
来源：
POLYMER | 1995年 / 36卷 / 12期
关键词：
POLY(TETRAFLUOROETHYLENE); CRYSTALLINITY; RAMAN SPECTROSCOPY;
D O I：
10.1016/0032-3861(95)97350-O
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Changes in the Raman spectra of quenched poly(tetrafluoroethylene) have been correlated with the crystallinity by differential scanning calorimetry, i.r. spectroscopy, density, and wide-angle X-ray scattering. An increasing tailing of the band at Delta v=1381 cm(-1) (CF2 symmetric stretching fundamental) has been identified as the most marked effect of decreased crystallinity. A method for quantifying the band tailing has been devised. It was found that the band tailing so quantified can serve as a measure for the crystallinity.
引用
收藏
页码：2473 / 2476
页数：4
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