Stable aqueous emulsion of reactive polysiloxane and curing agen

Details Stable aqueous emulsion of reactive polysiloxane and curing agen Stable aqueous emulsion of reactive polysiloxane and curing agen

1979-10-09

1981-07-07

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

428378, 428447, 428450, 525477, C08L 8306

Patent

active

042773822

ABSTRACT:
A curable coating composition comprising a polysiloxane resin having at least two silanol groups or groups readily hydrolyzable thereto, a non-resinous silane reactable with at least two such groups for curing the polysiloxane resin and a catalyst can be stablilized against gelation by emulsifying the polysiloxane resin with a nonionic or anionic surfactant and emulsifying the catalyst with a polycarbinolpolysiloxane substantially free of silanol groups and groups readily hydrolyzable thereto, the non-resinous silane curing agent being coemulsified together with either or both of the other components. This composition is particularly useful as a coating for glass fibers to be used in elevated temperature environments.

REFERENCES:
patent: 4100124 (1978-07-01), Ichikawa et al.
patent: 4167501 (1979-09-01), Rooks
Dow Corning New Product Information Brochure.

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