NEODYMIUM-CATALYZED DEHYDROGENATIVE CONDENSATION OF METHYLSILANE AND CERAMIZATION OF THE RESULTING POLYMER

被引:31
作者
KOBAYASHI, T [1 ]
SAKAKURA, T [1 ]
HAYASHI, T [1 ]
YUMURA, M [1 ]
TANAKA, M [1 ]
机构
[1] NATL CHEM LAB IND, HIGASHI, TSUKUBA, IBARAKI 305, JAPAN
关键词
D O I
10.1246/cl.1992.1157
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
High molecular weight poly(methylsilylene) is obtained in a good yield through dehydrogenative condensation of methylsilane catalyzed by (C5Me5)2NdCH(SiMe3)2. At a high temperature, polymerization process involves cross-linking via the loss of methane. Pyrolysis of the resulting polymer gives beta-SiC in a high yield. Blend with a carbon-rich polymer like poly(phenylsilylene) is effective to prevent the formation of contaminative metallic silicon during ceramization.
引用
收藏
页码:1157 / 1160
页数:4
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