Releasable film forming compositions

Details Releasable film forming compositions Releasable film forming compositions

1984-08-23

1985-08-13

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...

528 15, 528 31, 528 32, 528901, 524861, C08L 8304

Patent

active

045351236

ABSTRACT:
The present invention provides a releasable film forming composition comprising (1) an organopolysiloxane having hydroxyl groups at the ends of the molecular chain, (2) a finely divided silica, (3) a phenyl-containing organosilane or organopolysiloxane, (4) an organohydrogenpolysiloxane containing at least three SiH groups per molecule, (5) a metallic salt of an organic acid and (6) an organic solvent, and a process for preparing same, as well as a releasable film forming composition comprising (1) an organopolysiloxane containing at least two silicon atom-bonded alkenyl groups per molecule, (2) a finely divided silica, (3) a phenyl-containing organosilane or organopolysiloxane, (4) an organohydrogenpolysiloxane containing at least two SiH groups per molecule, (5) a platinic compound and (6) an organic solvent, and a process for preparing same. These compositions exhibit a superior printability and a stable releasability from adhesive materials and are less slippery.

REFERENCES:
patent: 4162356 (1979-07-01), Grenoble
patent: 4448815 (1984-05-01), Grenoble
patent: 4472563 (1984-09-01), Chandra et al.

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