Diamidediurethanes and hot-melt printing therewith

Details Diamidediurethanes and hot-melt printing therewith Diamidediurethanes and hot-melt printing therewith

1996-10-01

1998-07-07

Yoon, Tae

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528 44, 528 745, 528 84, 528 85, 106 3129, 106 3161, C08L 7512, C08G 1832

Patent

active

057770239

ABSTRACT:
Solid compositions containing diamidediurethanes are useful as components of hot-melt inks. Diamidiurethanes may be prepared by reaction of a hydroxycarboxylic acid and/or lactone with either (1) monoamine and diisocyanate or (2) diamine and monoisocyanate. Alternatively, the diamidediurethane may be prepared by reacting a non-hydric carboxylic acid and/or anhydride with an hydroxyamine and a diisocyanate. The reactant identity and stoichiometry, as well as the reaction conditions, may be tailored to optimize the formation of diamidediurethane in preference to high molecular weight oligomers. The hot-melt inks may be used in ink jet, flexographic, gravure and intaglio printing.

REFERENCES:
patent: 2983693 (1961-05-01), Sievers
patent: 4157266 (1979-06-01), Hauxwell et al.
patent: 4742112 (1988-05-01), Brauer et al.
patent: 5286288 (1994-02-01), Tobias et al.
patent: 5312889 (1994-05-01), Frische et al.
patent: 5387658 (1995-02-01), Schroder et al.

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