Ultraviolet hardening type ink compositions with a temperature-s

Details Ultraviolet hardening type ink compositions with a temperature-s Ultraviolet hardening type ink compositions with a temperature-s

1997-11-18

1999-12-28

Seidleck, James J.

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 39, 522 42, 522 46, 522 75, 522 8, 522909, 523160, C08F 246, C08F 244

Patent

active

060082690

ABSTRACT:
[Problem] To provide ultraviolet hardening type ink compositions with a temperature-sensitive color change property, which has both the hardening property and the printing strength of UV ink and also has an excellent light resistance.
[Solution] Ultraviolet hardening type ink compositions comprising microcapsules with a temperature-sensitive color change property and a photopolymerization initiator, wherein said microcapsules contain no ultraviolet absorber and have the mean diameter of 0.5-50 .mu.m whereas said photopolymerization initiator comprises at least one of the compounds selected from ace tophenone type compounds and benzophenone type compounds.

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patent: 5350633 (1994-09-01), Sumii et al.
patent: 5350634 (1994-09-01), Sumii et al.
patent: 5591255 (1997-01-01), Smalls et al.

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