PRINTING FORM AND PROCESS FOR PREPARING THE PRINTING FORM WITH CURABLE COMPOSITION HAVING BISPHENOL-BASED EPOXY RESIN
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United States of America Patent
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Issued Date -
Nov 15, 2012
app pub date -
May 11, 2012
filing date -
May 12, 2011
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Abandoned
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Abstract
The invention pertains to a process for preparing a printing form from a curable composition that includes an bisphenol-based epoxy resin; an amine curing agent selected from primary amines and secondary amines, the agent having an amine equivalent weight of less than or equal to 200 g/equivalent; and, a multi-epoxy reactive diluent. The process includes applying the curable composition to a supporting substrate to form a layer, curing the layer at one or more temperatures in a temperature range, and engraving to form at least one cell in the cured layer. The process prepares printing forms, particularly gravure printing forms, having a cured resin composition layer that is engravable, resistant to solvent inks and to mechanical wear, and capable of printing gravure-quality images.
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