Hardening of acid-hardenable compositions containing a blocked h

Details Hardening of acid-hardenable compositions containing a blocked h Hardening of acid-hardenable compositions containing a blocked h

1985-06-20

1987-10-13

Pertilla, Theodore E.

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

Synthetic resins

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

525132, 525163, 525165, 525176, 525348, 525351, 525353, 525442, 525443, 525480, 525497, 525498, 525509, C08L 6100

Patent

active

046999493

ABSTRACT:
Compounds of formula I or II ##STR1## in which n is 1 or 2, R.sup.1 is phenyl, substituted phenyl, alkyl, substituted alkyl, hydrogen, --OH or amino, R.sup.2 is hydrogen, R.sup.3 is hydrogen, alkyl, substituted alkyl, phenyl or substituted phenyl, R.sup.4 is alkyl, phenyl, substituted phenyl, alkylene or arylene, X is --O--, --S--, --CH.sub.2 -- and Y is a direct bond or --CH.sub.2 -- are latent hardening catalysts for acid curable resins. The catalysts are activated by heat and are used in heat-hardening high-solids industrial varnishes and for coil-coatings, can and wood varnishes.

REFERENCES:
patent: 3474654 (1969-10-01), White
patent: 4431774 (1984-02-01), Felder-Schraner
patent: 4477618 (1984-10-01), Singer et al.
patent: 4510290 (1985-04-01), Kirchmayr et al.

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