G - Physics – 03 – C
Patent
G - Physics
03
C
96/124, 96/155
G03C 1/72 (2006.01) C07D 233/54 (2006.01) G03C 1/73 (2006.01) G03F 7/105 (2006.01)
Patent
CA 1137348
Title Dimers Derived From Unsymmetrical 2,4,5-Triphenylimidazole Compounds As Photoinitiators Abstract of the Invention Photoimaging compositions comprising (A) 2,4,5-triphenylimidazolyl dimer having selected substituents on the 2,4 and 5 phenyl rings and an extinction coefficient determined in methylene chloride at 10-5 to 10-3 mol/liter at 350 nm of at least 4000 liters/mol-cm and at 400 nm of at least 250 liters/mol-cm; and at least one of (B1) leuco dye or (B2) addition polymerizable ethylenically unsaturated monomeric compound. The new imaging compositions are useful in preparing dual response photoimaging products such as proofing papers, printout paper, overlay films and photopolymerizable elements. Improved imaging speed is achieved at equal concentration levels when compared with conventional 2,4,5-triphenylimidazolyl dimers.
358278
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
LandOfFree
Dimers derived from unsymmetrical 2,4,5- triphenylimidazole... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dimers derived from unsymmetrical 2,4,5- triphenylimidazole..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dimers derived from unsymmetrical 2,4,5- triphenylimidazole... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-572934