Flexible ballistic composites resistant to liquid pick-up method for manufacture and articles made therefrom
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United States of America Patent
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Mar 30, 2010
Grant Date -
Jan 29, 2009
app pub date -
Aug 26, 2005
filing date -
Aug 26, 2005
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Abstract
Flexible ballistic resistant composite material that has improved resistance to pick-up of water and other liquids, the composite material comprising a plurality of non-woven fibrous layers. The fibrous layers are formed from a network of high tenacity fibers (aramid fibers, extended chain polyethylene fibers and/or rigid rod fibers). The fibers are embedded in a matrix of a thermoplastic polyurethane resin. Preferably, at least two adjacent fiber layers are oriented in a cross-ply arrangement with respect to each other. Flexible armor, such as body vests, are provided which are formed at least in part from the flexible composite material.
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