DETERMINATION OF CROSS-LINK DENSITIES OF CARBON-BLACK FILLED NATURAL-RUBBER SULFUR VULCANIZATES BY C-13 NMR MAS SPECTROSCOPY AND H-1-NMR TRANSVERSAL RELAXATION

被引：8
|
作者：
HOFFMANN, U
GRONSKI, W
SIMON, G
WUTZLER, A
机构：
[1] Material Research Center, University of Freiburg, Freiburg, 7800
[2] Department of Physics, Technical University of Merseburg, Merseburg, 4200, Geusaer Str
来源：
ANGEWANDTE MAKROMOLEKULARE CHEMIE | 1992年 / 202卷
关键词：
D O I：
10.1002/apmc.1992.052020116
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Two NMR spectroscopic methods were applied to carbon black filled NR vulcanizates to determine the chemical crosslink density. Both methods give corresponding results. Addition of carbon black leads to a decrease of crosslink density with increasing filler content. The influence is more pronounced at higher sulfur content.
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收藏
页码：283 / 293
页数：11
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