Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing
Patent
1997-06-19
1999-09-28
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified backing or protective layer containing
430536, 430537, 430961, G03C 1795, G03C 193, G03C 176
Patent
active
059586583
ABSTRACT:
The present invention is an imaging element which includes a support, at least one light sensitive layer, and a surface protective layer containing a binder and polymer particles. The polymer particles are prepared by the process of mechanically forming droplets of an ethylenically unsaturated monomer having hydrophobic groups, the hydrophobic groups having a logP.sub.(calc) greater than a logP.sub.(calc) of the ethylenically unsaturated monomer by at least 1 unit, and a water insoluble lubricant. The droplets are polymerized in the presence of a dispersing agent so that the polymerized droplets have a size of less than 500 nm. The present invention also is an imaging element which includes a support, at least one imaging layer, and at least one layer containing a binder and polymer particles. The polymeric particles are prepared by the process of mechanically forming droplets of an ethylenically unsaturated monomer having a logP.sub.(calc) greater than 4, preferably greater than 6, and a water-insoluble lubricant and polymerizing the droplets in the presence of a dispersing agent so that the polymerized droplets have a size of less than 500 nm.
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Anderson Charles C.
Muehlbauer John L.
Smith Dennis E.
Wang Yongcai
Eastman Kodak Company
Ruoff Carl F.
Schilling Richard L.
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