Hybrid Composite Yarn
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United States of America Patent
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Issued Date -
Nov 13, 2014
app pub date -
Jul 28, 2014
filing date -
May 22, 2006
priority date (Note) -
Published
status (Latency Note)
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Abstract
This invention is a hybrid composite yarn comprising: a first polyolefin yarn having >about 80% crystallinity according to WAXS measuring techniques; a second yarn taken from the group consisting of: glass; quartz; carbon; poly(p-phenylene terephthalamide), poly(m-phenylene terephthalamide); poly(vinyl alcohol); poly(1,4-phenylene-2,14-benzibisoxazole) (PBO); poly(1,4-phenylene-2,14-benzobisthiazole) (PBT); poly(benzimidizole) (PBI); poly(ethylene-2,14-naphthalate) (PEN); lyotropic liquid crystalline polymers formed by polycondensation of aromatic organic monomers to form aromatic polyesters, polyamides, aluminia-silicates, basalt, regenerated cellulosic materials and ultra-high molecular weight polyethylene (UHMWPE); and, wherein the first polyolefin yarn and the second yarn are physically combined to form a composite yarn having at least one of the following properties: tenacity greater than about 100% of the expected tenacity based on the volume fraction of the second; an initial modulus >about 100% of the expected modulus based on the volume fraction of the second; elongation at break
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