Vulcanizable silicon terminated polyurethane polymer composition

Details Vulcanizable silicon terminated polyurethane polymer composition Vulcanizable silicon terminated polyurethane polymer composition

1978-08-02

1980-09-16

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08L 7508

Patent

active

042229251

ABSTRACT:
Room-temperature-curable silicon-terminated organic sealant compositions having improved cure speeds, and metal and glass primer compositions for use therewith. These sealant compositions comprise a blend of a small amount of N-beta-aminoethyl, gamma - aminopropyl trimethoxy silane with an organosilicon-capped, isocyanate-terminated polyurethane polymer. The composition further comprises a carbon black filler containing less than 0.05% of water and preferably further comprises a moisture-curing catalyst such as dibutyl tin diacetate.

REFERENCES:
patent: 3632557 (1972-01-01), Brode et al.
patent: 3979344 (1976-09-01), Bryant et al.
patent: 4067844 (1978-01-01), Barron et al.
Damusis; Sealants; Reinhold Pub. Corp.; 1967; p. 88.

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