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PRODUCT DUE TO COPOLYMERIZATION OF DICHLOROSILANE AND BIS (CHLOROSILYL) METHANE AND ITS UTILIZATION
PRODUCT DUE TO COPOLYMERIZATION OF DICHLOROSILANE AND BIS (CHLOROSILYL) METHANE AND ITS UTILIZATION
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机译:二氯硅烷和双(氯硅烷)甲烷共聚合的产物及其利用
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摘要
Sol. copolymers (I) of dichlorosilanes of formula RRSiCl2 with bis(chlorosilyl)methanes of formula ClRR'Si-CH2-SiRR'Cl (R, R'=H or opt. substd. alkyl, alkenyl, aryl, alkylaryl or arylalkyl) are claimed. Prepn. fo (I) comprises copolymerisation of a solvent with aid of Na or K. Solvent is neutral and has b.pt. above m.pt. of the alkali metal, or is electron donor, partic. tetrahydrofuran. Copolymer is prepd. at 60-140 deg.C.
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