Pigment paste resins for cathodically depositable coating compos

Details Pigment paste resins for cathodically depositable coating compos Pigment paste resins for cathodically depositable coating compos

1993-03-15

1999-05-18

Krass, Frederick

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523414, 523415, 523417, 523420, 525523, 525528, 525529, 525531, 528 45, 528 73, 528103, 528107, 528110, 528111, 528117, C08G65/26

Patent

active

059051035

ABSTRACT:
The invention relates to a process for the preparation of pigment paste resins for cathodically depositable coating compositions, wherein diepoxide compounds which contain polyoxyalkylene structures and alkyl and/or alkylene and/or hydroxyalkyl radicals having more than 3 carbon atoms are first reacted to form epoxy resin/amine adducts and final products with oxazolidine structures are obtained by a partial or complete reaction of secondary amino groups with formaldehyde.

REFERENCES:
patent: 4683285 (1987-07-01), Paar et al.
patent: 4698141 (1987-10-01), Anderson et al.
patent: 4837291 (1989-06-01), Paar
patent: 4968730 (1990-11-01), Honig et al.

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