Hardening components for paint binders

Details Hardening components for paint binders Hardening components for paint binders

1984-06-18

1985-10-01

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...

2041817, 523414, 523415, 524901, 525510, 525529, 525533, 528 73, C08L 6302

Patent

active

045447152

ABSTRACT:
Hardener components which crosslink through transesterification comprising (A) a KNOEVENAGEL reaction product of a carbonyl compound and a compound such as the diester of malonic acid reacted in a MICHAEL-addition reaction with (B) a substituted oxazolidine carrying a secondary amino group, and where the reaction product of (A) and (B) is thereafter reacted through the methylene groups with (C) a polyisocyanate is described. The hardener components are particularly suitable for use in water-dilutable cationic paint binders.

REFERENCES:
patent: 2517128 (1950-08-01), Meunier et al.
patent: 3725350 (1973-04-01), Hunsucker
patent: 3773730 (1973-11-01), Hunsucker

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