Process for the production of pigment grinding vehicles for...

Details Process for the production of pigment grinding vehicles for... Process for the production of pigment grinding vehicles for...

C - Chemistry, Metallurgy

09

D

402/31, 400/5120

C09D 17/00 (2006.01) C08G 18/64 (2006.01) C08G 18/69 (2006.01) C08G 18/80 (2006.01) C08G 59/56 (2006.01) C09D 5/44 (2006.01)

Patent

CA 1256633

1873/US-2500 ABSTRACT OF DISCLOSURE The invention is directed to a process for the pro- duction 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 deposi- table electrodeposition paints. The products permit formation of low solvent paint systems.

493455

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