METHOD OF MAKING A PRINTING BLANKET OR SLEEVE INCLUDING CAST POLYURETHANE LAYERS
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United States of America Patent
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Issued Date -
Feb 14, 2008
app pub date -
Aug 7, 2007
filing date -
Aug 8, 2006
priority date (Note) -
Abandoned
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Abstract
A method of making a printing blanket or printing sleeve which includes one or more cast polyurethane layers is provided. Each cast polyurethane layer may be applied in a single pass to a moving substrate web or a rotating sleeve by slot die coating, electrostatic or non-electrostatic spraying, or knife coating. The method may utilize UV or radiation curable polyurethanes, two-part polyurethanes, moisture curable polyurethanes, or cure-blocked or delayed-cure polyurethanes.
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