Laminate structure comprising a protective layer and an exposed photopolymer layer
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United States of America Patent
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Jul 7, 2015
Grant Date -
Jul 11, 2013
app pub date -
Jan 3, 2013
filing date -
Jan 5, 2012
priority date (Note) -
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Abstract
The present invention relates to a laminate structure comprising a protective layer and an exposed photopolymer layer, the laminate structure being obtainable by reacting at least one radiation-curing resin I), an isocyanate-functional resin II) and a photoinitiator system III), and the radiation-curing resin I) containing ≦5% by weight of compounds having a weight-average molecular weight of <500 and ≧75% by weight of compounds having a weight-average molecular weight of >1000, the isocyanate-functional resin II) containing ≦5% by weight of compounds having a weight-average molecular weight of <500, and the protective layer containing the radiation-curing resin I) at least to an extent of 80% by weight and the isocyanate-functional resin II) at most to an extent of 15% by weight. The invention further provides a process for producing the inventive laminate structure.
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