Materials suitable as crosslinkable binder components

Details Materials suitable as crosslinkable binder components Materials suitable as crosslinkable binder components

1995-01-10

1995-12-05

Foelak, Morton

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 60, 528 61, 528 65, 528 85, C08G 1810, C08G 1812

Patent

active

054730422

ABSTRACT:
A material suitable as crosslinking binder component for pigment-containing coatings and having an average molecular weight of from 25,000 to 150,000, obtainable by reacting a polyurethane comprising a diol having a molecular weight between 400 and 4,000, an aliphatic or cycloaliphatic diol of 2-18 carbon atoms, an aromatic diol of 8-36 carbon atoms, a trihydric or polyhydric alcohol of 3-18 carbon atoms, a polyhydric alcohol of 3-40 carbon atoms containing a tertiary amino group, and a diisocyanate of 3-34 carbon atoms with a compound containing one or more hydroxyl groups and one or more amino groups reactive toward isocyanate groups. The materials may be used as crosslinkable binder components for pigment-containing coatings, in particular for the production of magnetic recording materials.

REFERENCES:
patent: 2871218 (1959-01-01), Schellenberger
patent: 4058506 (1977-11-01), Vaeth et al.
patent: 4058646 (1977-11-01), Vaeth et al.
patent: 4157995 (1979-06-01), Schenck
patent: 5283311 (1994-02-01), Narayan et al.
patent: 5418310 (1995-05-01), Kangas

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