Cationic resin curable with acid catalyzed cross-linkers

Details Cationic resin curable with acid catalyzed cross-linkers Cationic resin curable with acid catalyzed cross-linkers

1981-08-20

1983-05-10

Lieberman, Paul

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

Synthetic resins

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

524416, 524424, 525481, 525510, 525511, C08L 6300

Patent

active

043830730

ABSTRACT:
Water-compatible compositions are described which consist essentially of at least one resinous compound whose backbone is linear or substantially linear and consists essentially of at least one oxyaryleneoxyalkylene or oxyaryleneoxy(1,3-(2-hydroxy)alkylene) unit and which bears at least two functional organic moieties through which cross-linking can occur (preferably groups having active hydrogen, more preferably aliphatic hydroxyl groups) and at least one terminal carbamoylpyridinium group covalently bonded through the ring nitrogen atom combined with an acid curable cross-linking agent. The compositions are useful coating compositions which find particular utility in cathodic electrodeposition. The compounds are prepared, for example, by reacting a linear or substantially linear epoxy resin with a carbamoylpyridine in the presence of sufficient amount of a Bronsted acid and water to stabilize the carbamoylpyridinium salt thus formed.

REFERENCES:
patent: 2676166 (1954-04-01), Webers
patent: 3844998 (1974-10-01), Jeffery
patent: 3937679 (1976-02-01), Bosso et al.
patent: 4017372 (1977-04-01), Wagener et al.
patent: 4076676 (1978-02-01), Sommerfeld
patent: 4101486 (1978-07-01), Bosso
patent: 4110287 (1978-08-01), Bosso et al.
patent: 4119599 (1978-10-01), Woo et al.
patent: 4151305 (1979-04-01), Davis

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