C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
117/185, 400/531
C08L 83/10 (2006.01) B05D 5/08 (2006.01) B32B 33/00 (2006.01) C08L 83/04 (2006.01)
Patent
CA 1060133
ABSTRACT OF THE DISCLOSURE Organopolysiloxane release composition are provided which are based on curable linear organopolysiloxanes modified by the incorporation therein of a copolymer containing a pro- portion of Me(R1Q)SiO groups in which at least one R1 group has at least 6 carbon atoms and Q is O or S, with or without a proportion of MeRSiO groups in which at least one R group has at least 4 carbon atoms. The composition confers superior release properties on or between substrates when treated therewith. In particular, the composition gives low release even when used with adhesives having an adhesion greater than 1000 g. per sq. inch.
244356
Creasey Norman G.
Pike Leslie C.
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