C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 83/04 (2006.01) C08F 283/12 (2006.01) C08K 5/521 (2006.01) C08K 5/54 (2006.01) C08L 83/10 (2006.01) C09D 151/08 (2006.01) C09D 183/04 (2006.01) C09D 183/10 (2006.01)
Patent
CA 2114514
ORGANOPOLYSILOXANE COMPOSITIONS WHICH CROSS-LINK TO GIVE ELASTOMERS Abstract of the Disclosure Novel compositions which cross-link to give elastomers and comprise (1) diorganopolysiloxane which contains end groups capable of condensation and comprises a copolymer of monomers containing aliphatic multiple bonds, preferably styrene and n-butyl acrylate, which has been produced by copolymerization of monomers containing aliphatic multiple bonds, preferably styrene and n-butyl acrylate, by means of free radicals in the presence of diorganopolysiloxane, (2) silanes of the general formula RxSi(OR1)4-x, in which R and R1 have the meaning given in claim 1 and x represents 0 or 1, or an oligomer thereof, and (3) phosphoric acid esters of the general formula Image in which R2 represents hydrogen or a radical which can easily be split off, R3 is identical or different and represents a monovalent hydrocarbon radical, which is optionally halogenated and/or interrupted by one or more groups of the formula -O-, -Sy-, -O-CO-, -CO-O , -N=, -NR5 or -SiR2-, or represents a radical which can easily be split off, or the two radicals R3 together represent a divalent hydrocarbon radical, and R5 has the meaning given in claim 1.
Eck Herbert
Fleischmann Gerald
Goblmeier Walter
Patrick Ekkehard
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Wacker-Chemie Gmbh
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