Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1990-07-17
1991-10-01
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430285, 430302, G03C 177, G03F 7027
Patent
active
050533150
ABSTRACT:
Radiation-sensitive compositions which are especially useful in the production of negative-working lithographic printing plates comprise a photocrosslinkable polymer containing the photosensitive group ##STR1## as an integral part of the polymer backbone and, in an amount sufficient to improve the properties of the composition, an unsaturated polyester such as a polyester derived from fumaric acid and a 4,4'-isopropylidenediphenol. The unsaturated polyester additive improves the properties of the radiation-sensitive composition in regard to processing characteristics and ink receptivity and thereby provides a superior lithographic printing plate.
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Josephson, Jr. Paul R.
Miller Gary R.
Mitchell James E.
Ryan, Jr. Raymond W.
West Paul R.
Eastman Kodak Company
Lorenzo Alfred P.
McCamish Marion E.
Rodee Christopher D.
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