Urethane-modified rosin esters

Details Urethane-modified rosin esters Urethane-modified rosin esters

1986-05-09

1987-09-15

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 29, 106 30, 260104, C08L 9304

Patent

active

046938460

ABSTRACT:
The present invention encompasses a urethane-modified rosin ester which is derived from an isocyanate and a hydroxyl-functional rosin esterification product of a dimerized rosin. The urethane-modified rosin esters, having a high softening point and good compatibility with hydrocarbon solvents, good gelability and good squalene resistance, are particularly suitable as binders for inks such as fast conversion lithographic inks.

REFERENCES:
patent: 2947714 (1960-08-01), Leclercq et al.
patent: 3692720 (1972-09-01), Sloan
patent: 4075143 (1978-02-01), Schelhaas et al.
patent: 4148767 (1979-04-01), Spicer et al.
patent: 4337510 (1983-03-01), Ruckel et al.

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