Cationic paint binders and process for producing same

Details Cationic paint binders and process for producing same Cationic paint binders and process for producing same

1983-12-20

1985-09-03

Lipman, Bernard

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

Synthetic resins

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

525395, 525399, 525424, 525440, 525504, 525528, 528 73, C08F 832

Patent

active

045393729

ABSTRACT:
Cationic resins suitable as binders for stoving coating compositions, particularly for application by electro-deposition, and as mill base resins for grinding pigments and extenders; and a process for producing same is described. The resins are produced through reaction of a resinous compound carrying hydroxyl groups with a monoisocyanate which is totally or partially the reaction product of a diisocyanate and a tertiary amine which carries the ring structure ##STR1## wherein R and R.sub.x are a hydrogen atom or an alkyl radical or an aryl radical which may be substituted and wherein n is 2 or 3, the quantity of basic component being chosen in order that the cationic resin has an amine value of at least 35, and preferably of from 40 to 140 mg KOH/g.

REFERENCES:
patent: 4002601 (1977-01-01), Hajek et al.
patent: 4278580 (1981-07-01), Schmolzer et al.
patent: 4282128 (1981-08-01), Pampouchidis et al.
patent: 4327200 (1982-04-01), Leitner et al.
patent: 4349655 (1982-09-01), Leitner et al.

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