Hybrid polymers derived from Si-H containing organosilicon polym

Details Hybrid polymers derived from Si-H containing organosilicon polym Hybrid polymers derived from Si-H containing organosilicon polym

1986-12-29

1988-10-25

Marquis, Melvyn I.

Coating processes

With post-treatment of coating or coating material

Heating or drying

522 60, 522 62, 522140, 522141, 522148, 522172, 525478, 525479, 528 15, 528 31, 528 24, 528 32, 528 21, 528 30, 428447, B32B 900

Patent

active

047803371

ABSTRACT:
A method of protecting carbon/carbon composites against oxidation at high temperatures is disclosed. This comprises coating the composite with a hybrid metal alkoxide/organosilicon polymer. The hybrid polymer is prepared by a method comprising mixing an organosilicon polymer having a plurality of Si-H functional groups with a sufficient quantity to undergo a hydrosilylation reaction of a metal alkenoxide, wherein the metal alkenoxide comprises a metal, metalloid or silicon alkoxide containing at least one alkenoxy group; and initiating the hydrosilylation reaction to form the hybrid polymer.

REFERENCES:
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patent: 4611035 (1986-09-01), Brown-Wensley et al.
patent: 4645807 (1987-02-01), Seyferth et al.
patent: 4650837 (1987-03-01), Seyferth et al.
Hawley, Condensed Chemical Dictionary, Van Nostrand Reinhold Company, N.Y., 10th ed., p. 741.
Encyclopedia of Science and Technology, McGraw-Hill Book Co., N.Y., 5th ed. pp. 46-47, 1982.
Aitken C. et al., J. Organomet Chem. 279:11-13 (1985).
D. C. Bradley et al., J. Chem. Soc. (1952) 2027.

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