Process for the preparation of binders for cathodically deposita

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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523414, 523415, 523417, 523418, C08G 5950

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active

051010003

ABSTRACT:
A process for the preparation of water-dilutable binders for cathodically depositable electrodeposition paints wherein 5 to 60 mol % of the epoxy groups of a resinous compound having at least two 1,2-epoxy groups per molecule are reacted with disecondary diamines obtained by the reaction of polypropylene glycol diglycidylethers or polypropylene glycol diacrylates with compounds containing a primary amino group is described. The binders prepared in accordance with the invention are suitable, in particular, for formulating electrodeposition paints, to provide films having a greater layer thickness under normal deposition conditions.

REFERENCES:
patent: 3914204 (1975-10-01), Helm et al.
patent: 4421906 (1983-12-01), Waddill et al.
patent: 4423166 (1983-12-01), Moriarity
patent: 4608300 (1986-08-01), Gruber

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