US 7,541,406 B2
	Phase change inks containing curable isocyanate-derived compounds
Jeffrey H. Banning, Hillsboro, Oreg. (US); Jennifer L. Belelie, Oakville (Canada); Peter G. Odell, Mississauga (Canada); Rina Carlini, Mississauga (Canada); Jule W. Thomas, Jr., West Linn, Oreg. (US); Donald R. Titterington, Newberg, Oreg. (US); Paul F. Smith, Oakville (Canada); Stephan V. Drappel, Toronto (Canada); and Chris A. Wagner, Etobicoke (Canada)
Assigned to Xerox Corporation, Norwalk, Conn. (US)
Filed on Nov. 30, 2005, as Appl. No. 11/289,931.
Prior Publication US 2007/0123642 A1, May 31, 2007
This patent is subject to a terminal disclaimer.
Int. Cl. C08G 18/08 (2006.01); C08J 3/00 (2006.01); C08K 3/20 (2006.01); C08L 75/00 (2006.01); C03C 17/00 (2006.01); C09D 11/12 (2006.01)

U.S. Cl. 524—589  [523/160; 523/161; 524/210; 524/230; 528/44; 528/49; 528/85; 106/31.01; 106/31.13; 106/31.29; 106/31.61]

31 Claims

1. A phase change ink comprising a colorant, an initiator, and a phase change ink carrier, said carrier comprising (A) a urethane which is the reaction product of a mixture comprising (1) an isocyanate; and (2) an alcohol selected from the group consisting of 1,4 butanediol vinyl ether, 2-allyloxy ethanol, 1,4-cyclohexanedimethanol vinyl ether, ethylene glycol vinyl ether, di(ethylene glycol) vinyl ether, and mixtures thereof; (B) a compound which is the reaction product of a mixture comprising (1) an isocyanate; and (2) a component comprising (a) an amine having at least one ethylenic unsaturation; (b) an acid having at least one ethylenic unsaturation; (c) a mixture of an amine having at least one ethylenic unsaturation and an alcohol having at least one ethylenic unsaturation; (d) a mixture of an acid having at least one ethylenic unsaturation and an alcohol having at least one ethylenic unsaturation; or (e) mixtures thereof; or (C) a mixture of (A) and (B); said ink being curable upon exposure to ultraviolet radiation.