C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 65/00 (2006.01) C08G 61/08 (2006.01) C08K 3/18 (2006.01) C08K 3/34 (2006.01) C08K 5/54 (2006.01) C08K 5/5419 (2006.01) C08K 13/02 (2006.01) H01B 3/30 (2006.01)
Patent
CA 2189311
A composition, comprising (a) at least one tight cycloolefin, (b) a catalyst for the ring-opening metathesis polymerisation, (c) a filler, and (d) a silane of formula I Image (I), wherein R is a polyvalent organic group having 2 to 100 carbon atoms, where one or more than one carbon atom can be replaced by O, S, N or Si atoms and Y1, Y2 and Y3 are each independently of one another C1-C20alkyl, C5-C20aryl, C6-C20aralkyl, C5-C12cycloalkyl, C2-C20- alkoxyalkyl or C1-C20acyl, gives cured products having excellent mechanical and electrical properties and which is particularly suitable as encapsulating material for electrical and electronic components.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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