Crosslinking components for cathodically depositable paint binde

Details Crosslinking components for cathodically depositable paint binde Crosslinking components for cathodically depositable paint binde

1991-09-17

1993-11-23

Marquis, Melvyn I.

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

Synthetic resins

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

528 45, C08F28301, C08F28302, C08F28304

Patent

active

052644979

ABSTRACT:
Crosslinking components for cationic paint binders which are reaction products of hydroxyl-functional carbamate compounds with half-blocked diisocyanates are described. The carbamate compounds are reaction products of cyclic organic carbonates with aliphatic monoamines and/or diamines and/or triamines and/or tetraamines and/or alkanolamines, all such amines having primary and/or secondary amino groups. The crosslinking components produced according to the invention, in combination with resin components carrying hydroxyl groups and/or primary or secondary amino groups, preferably with those based on epoxide/amine adducts or containing similar molecular units, give binders which can be baked at temperatures of 140.degree. C. and higher.

REFERENCES:
patent: 4897435 (1990-01-01), Jacobs, III et al.
patent: 5057559 (1991-10-01), Paar et al.

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