Curable organopolysiloxane compositions with improved adhesion

Details Curable organopolysiloxane compositions with improved adhesion Curable organopolysiloxane compositions with improved adhesion

1995-10-11

1997-01-21

Marquis, Melvyn I.

Stock material or miscellaneous articles

Composite

Of silicon containing

428447, 428451, 4284755, 524861, 524862, 524789, 528 15, 528 16, 528 17, B32B 906

Patent

active

055958265

ABSTRACT:
Organopolysiloxane compositions which cure by the addition reaction of silicon-bonded lower alkenyl radicals with silicon-bonded hydrogen atoms and which exhibit improved adhesion to a variety of substrates. The compositions comprise an adhesion promoting mixture comprising an epoxy-functional compound, a compound having at least one hydroxy group and in the same molecule at least one substituent selected from a group consisting of silicon hydride, alkenyl, and acryl, and an aluminum compound or zirconium compound. Compression set of the cured organopolysiloxane compositions is not significantly effected by the adhesion promoting mixture.

REFERENCES:
patent: 4087585 (1978-05-01), Schulz
patent: 4659851 (1987-04-01), Plueddemann
patent: 4742103 (1988-05-01), Morita et al.
patent: 5248715 (1993-09-01), Gray et al.
patent: 5364921 (1994-11-01), Gray et al.

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