OUTER SOLE AND SHOES
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United States of America Patent
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Issued Date -
Jun 24, 2010
app pub date -
May 25, 2007
filing date -
May 25, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention provides an outer sole light in weight and excellent in abrasion resistance.The outer sole of the present invention is formed out of a polymer composition with a specific gravity of 0.95 or less, which contains an olefin resin and a styrene elastomer, wherein a storage elastic modulus [E′] and a loss coefficient [tan δ] in a dynamic viscoelasticity measurement (20±3° C., 10 Hz) are 100 MPa to 500 MPa and 0.2 or less respectively, and a maximum tensile stress is 30 MPa or more. The olefin resin contains an ethylene polymer and a propylene polymer, for example. The styrene elastomer contains an α-methyl styrene.butadiene copolymer, for example.A flaw is hardly occurred on the outer sole in use, so that the outer sole is excellent in abrasion resistance.
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