C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 83/04 (2006.01) C09K 3/10 (2006.01)
Patent
CA 2042332
ABSTRACT OF THE DISCLOSURE The present invention relates to modified silicone rubber containing, as internal mould release agent, a linear polysiloxane having the following structures Image or Image in which R stands for methyl or phenyl, R' for methyl and R" for phenyl and y and x are adjusted to produce a viscosity of from 50 to 2000 mPa.s at 25°C and result in a methyl to phenyl ratio in the polysiloxane of 2.5 to 0.6 and the use of said modified silicone rubber for the production of packers fox sealing damaged sewer systems. Le A 27 686
Kapps Manfred
Meussdoerffer Johann N.
Vehlewald Peter
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
Kapps Manfred
Meussdoerffer Johann N.
Vehlewald Peter
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