Compositions containing carbamothioate curing agents and their u

Details Compositions containing carbamothioate curing agents and their u Compositions containing carbamothioate curing agents and their u

1978-09-18

1981-01-20

Cockeram, H. S.

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

Synthetic resins

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

260 292TN, 427 27, 427 431, 427195, 427375, 4273855, 525350, 525440, 525447, 525524, 525528, 528 45, 528 69, 528 75, C08G 1880, B05D 302, C08G 1832, C08G 1862

Patent

active

042463696

ABSTRACT:
An ungelled composition of matter comprising a compound containing groups reactive with isocyanate, a compound containing groups reactive with mercaptan, and a carbamothioate curing agent adapted to generate a plurality of curing units upon being subjected to heating above about critical temperature. The generated curing units contain isocyanate groups, mercaptan groups, or combinations thereof. In preferred embodiments of this invention, the ungelled composition is adapted for use in powder coatings, anodic electrocoating, and cathodic electrocoating.

REFERENCES:
patent: 3867347 (1975-02-01), Felber et al.
patent: 3893977 (1975-07-01), Wingler
patent: 3912566 (1975-10-01), Andrews et al.
patent: 3925320 (1975-12-01), Morgan
patent: 3926875 (1975-12-01), Tsugukuni et al.
patent: 3933759 (1976-01-01), Hoeschele
patent: 3993849 (1976-11-01), Victorius
patent: 4006270 (1977-01-01), Morgan
patent: 4101473 (1978-07-01), Lander
patent: 4128531 (1978-12-01), Toyoda et al.
patent: 4146688 (1979-03-01), Schwindt et al.
Smarsh, J. Paint Tech., vol. 44, No. 565, pp. 30-37 (Feb. 1972).

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