Semi-preg material with a property-enhancing surface film for improved properties
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United States of America Patent
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Jun 20, 2017
Grant Date -
Jul 14, 2011
app pub date -
Sep 24, 2009
filing date -
Sep 30, 2008
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Abstract
Semi-preg material is disclosed adapted for use in composite material comprising a) a first resin layer, b) covered on both side by layers of fibrous reinforcements whereby c) one of the two fabric layers is coated with a second resin layer and d) wherein said second resin layer has a tack level of not more than 100 N. Such semi-preg material has improved handling properties and contributes to the superior mechanical properties of the composite material formed therewith.
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