Binders based on co-condensates of epoxy resins and resols with

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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525481, 525486, 525523, 528104, C08L 6106, C08L 6110, C08L 6200

Patent

active

044813112

ABSTRACT:
Binders based on co-condensates of epoxy resins and resols with amines, the epoxy resin being partially defunctionalized and still containing on average 0.5-1.3 epoxide groups per molecular unit, the resol component being composed of methylol compounds of oligomethylene compounds, which are additionally substituted by hydrocarbon or hydroxyalkyl or hydroxyaralkyl radicals, and the amine containing at least one primary or secondary amino group and at most 2 hydroxyl groups.
The invention further relates to a process for the preparation of a binder and for the electrophoretic deposition of a cationic resin from an aqueous dispersion onto an article connected as the cathode and to an aqueous electrophoresis bath for carrying out this process.

REFERENCES:
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patent: T916002 (1973-11-01), Lannikitis et al.
patent: 3567668 (1971-03-01), Guldenpfennig
patent: 3650996 (1972-03-01), Guldenpfennig
patent: 3663354 (1972-05-01), Ueno et al.
patent: 3720648 (1973-03-01), Guldenpfennig
patent: 3726276 (1973-05-01), Crowne et al.
patent: 3840483 (1974-10-01), Guldenpfennig
patent: 3937679 (1976-02-01), Bosco et al.
patent: 4130531 (1978-12-01), Purcell
patent: 4246162 (1981-01-01), Schreiber

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