Surface-coating binders

Details Surface-coating binders Surface-coating binders

1978-08-10

1981-04-07

Hayes, Lorenzo B.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525512, C08L 6300

Patent

active

042606977

ABSTRACT:
Surface-coating binders based on a reaction product of Mannich bases, obtained from polyhydric phenols, secondary amines and formaldehyde, with epoxy resins. The Mannich bases and/or the epoxy resins carry hydroxyl groups, bonded to aliphatic structures, which have been converted to urethane groups by reaction with partially blocked polyisocyanates. When protonized and diluted with water, the surface-coating binders may be used as cationic electrocoatings.

REFERENCES:
patent: 3947338 (1976-03-01), Jerabek et al.
patent: 3994989 (1976-11-01), Kempter et al.
patent: 4001155 (1977-01-01), Kempter et al.
patent: 4086292 (1978-04-01), Kempter et al.

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