G - Physics – 03 – F
Patent
G - Physics
03
F
G03F 7/028 (2006.01) G03F 7/032 (2006.01) G03F 7/033 (2006.01) H05K 3/00 (2006.01)
Patent
CA 2131044
A waterborne photoimageable composition or photoresist comprises a latex binder polymer having sufficient carboxylic acid functionality to render it developable in alkaline aqueous solution, a photopolymerizeable monomer fraction, a photoinitiator and a polyether polyurethane associate thickener which supports an emulsion of the monomer fraction in aqueous medium. The carboxylic acid functionality of the latex binder polymer is neutralized to an extent of from 0 to about 20%.
Divulgation d'une composition photographique ou d'une résine photosensible à base d'eau comprenant un liant polymère en latex renfermant suffisamment de groupements carboxyliques pour la rendre développable dans une solution aqueuse alcaline, une partie de monomères photopolymérisables, un photoamorceur et un épaississant associé de polyéther-polyuréthane supportant une émulsion de la partie monomère en solution aqueuse. La fonctionnalité carboxylique du liant polymère en latex est neutralisée jusqu'à atteindre de 0 à environ 20 %.
Gowling Lafleur Henderson Llp
Morton International Inc.
LandOfFree
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