Organopolysiloxane compositions

Details Organopolysiloxane compositions Organopolysiloxane compositions

1994-12-23

1995-09-05

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524263, 524265, 528 15, C08K 554

Patent

active

054479878

ABSTRACT:
Organopolysiloxane compositions of the present invention are the curable compositions of the addition curable type, which comprise (A) an organopolysiloxane having aliphatic unsaturated groups, (B) an organohydrogen polysiloxane having SiH groups, (C) a fluorine containing organopolysiloxane expressed by the following general chemical formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.4 through R.sup.6, and R.sup.8 are monovalent hydrocarbon groups such as alkyl groups, R.sup.3 and R.sup.7 are bivalent hydrocarbon groups, such as alkylene groups, Rf is either a perfluoroalkyl group or a perfluoroalkyl ether group, subscripts k, p, and m are integers of at least 1, and the subscript n is an integer of at least 0, and (D) a platinum group metallic catalyst. The cured products obtained from the compositions of the present invention exhibit a superior adhesiveness towards substances to be adhered, such as glass, aluminum, iron and epoxy resins.

REFERENCES:
patent: 5254623 (1993-10-01), Watson
patent: 5356719 (1994-10-01), Hamada et al.

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