PRODUCTION OF POLY(SILAISOPRENE) BY LASER-INDUCED DECOMPOSITION OF 1-METHYL-1-VINYL-1-SILACYCLOBUTANE

被引:23
作者
POLA, J [1 ]
VOLNINA, EA [1 ]
GUSELNIKOV, LE [1 ]
机构
[1] AV TOPCHIEV PETROCHEM SYNTH INST,MOSCOW,RUSSIA
关键词
D O I
10.1016/0022-328X(90)85052-Z
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Continuous CO2 laser-induced decomposition of 1-methyl-1-vinyl-1-silacyclobutane (MVS) in the presence of energy conveying sulfur hexafluoride provides a highly selective method for production of poly(2-methyl-2-silabuta-1,3-diene) (polysilaisoprene). Trapping with hexafluoroacetone and tetrafluoroethene confirms the intermediacy of 2-methyl-2-silabuta-1,3-diene (silaisoprene), polymerization of which depends on the ratio MVS/SF6. The IR spectrum of the polymer deposited from the gas-phase on to the reactor surface reveals that silaisoprene polymerizes by participation of both double bonds. © 1990.
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页码:275 / 282
页数:8
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