Pigment grinding vehicles for use in water-dilutable paints

Details Pigment grinding vehicles for use in water-dilutable paints Pigment grinding vehicles for use in water-dilutable paints

1985-10-22

1987-07-28

Hoke, Veronica P.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

2041817, 523415, 528 45, 528 69, 528107, C08G 6526, C08L 6300, C25D 900

Patent

active

046832858

ABSTRACT:
The invention is directed to a process for the production of cationic binders for pigment pastes for water-dilutable paints, particularly for cathodic electrodeposition based on low molecular oxazolidine group carrying modified epoxy compounds, and to the pastes obtained. The process is characterized in that preferably aliphatic di- or polyepoxy compounds are reacted with primary mono- and/or diamines and optionally monocarboxy compounds and that oxazolidine groups are introduced into the molecule by reaction with carbonyl compounds. The products show extremely high pigment loading capacity and an excellent performance in cathodically depositable electrodeposition paints. The products permit formation of low solvent paint systems.

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