Curable composition and process for producing molded articles us

Details Curable composition and process for producing molded articles us Curable composition and process for producing molded articles us

1995-11-29

1997-04-22

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525479, 528 15, 528 16, 528 17, 528 18, 528 19, 26433111, C08F28300

Patent

active

056230303

ABSTRACT:
A curable composition providing a cured product having a silicon type interpenetrating polymer network, which comprises (A) a silsesquioxane ladder polymer, (B) a silicon compound having at least two SiH groups per molecule, (C) a silicon compound having at least two vinylsilyl groups per molecule and (D) a neutral platinum catalyst; and a process for producing a molded article comprising heating the curable composition under a controlled temperature for synchronously causing hydrolysis and condensation of the alkoxysilyl group and/or silanol group and hydrosilylation.

REFERENCES:
patent: 5178947 (1993-01-01), Charmot et al.
patent: 5484867 (1996-01-01), Lichtenhan et al.

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