Cathodically depositable electrodeposition paint binders based o

Details Cathodically depositable electrodeposition paint binders based o Cathodically depositable electrodeposition paint binders based o

1985-03-18

1986-01-21

Griffin, Ronald W.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523416, 523417, 524901, C08G 1880, C08G 5914, C09D 358, C09D 544

Patent

active

045658382

ABSTRACT:
Cathodically depositable electrodeposition paint binders comprising a mixture of (A) 95-50% by weight of the reaction product of an epoxy resin with at least two epoxy groups with amines carrying primary amino groups and, optionally, with a carboxylic acid compound to provide an epoxy resin-amino adduct which is then reacted with a phenol and formaldehyde; and (B) 5-50% by weight of an addition component which is substantially water-insoluble under the conditions of electrodeposition and being compatible with Component A. The presence of Component B in the binder provides increased resistance to corrosion, improvements in the surface quality of the stoved films, and enhanced crosslinking of the binder.

REFERENCES:
patent: Re31616 (1984-06-01), Tsou
patent: 4172193 (1979-10-01), Marx et al.
patent: 4197224 (1980-04-01), Schmolzer et al.
patent: 4278579 (1981-07-01), Murphy
patent: 4278580 (1981-07-01), Schmolzer et al.

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