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
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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