REINFORCING CARBON FIBERS AND MATERIAL CONTAINING THE FIBERS
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United States of America Patent
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Issued Date -
Mar 29, 2012
app pub date -
Sep 2, 2011
filing date -
Sep 23, 2010
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Abandoned
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Abstract
A method for making a reinforcement material comprises providing at least one strand of carbon fibers. A polyolefin coating is applied. A coating comprising an inner layer of a first polyolefin material and an outer layer of a second polyolefin material may be coextruded on the at least one strand. The first polyolefin material has a substantially lower viscosity than the second polyolefin material at an extrusion temperature of the coextruding step. Alternatively, polyolefin fibers may be core sheath spun on the strands to coat the strands, and the coated strands of carbon fibers formed into a woven or knit fabric or a non-woven mesh for a reinforcing a material.
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