US Patent 7582352 Layered product olefin foam and use
Patent 7582352 was granted and assigned to Mitsui Chemicals on September, 2009 by the United States Patent and Trademark Office.
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The foamed laminate based on olefin according to the present invention is composed of a substrate layer of a foamed body made of either an ethylenic thermoplastic elastomer comprising a polyethylene resin and an ethylene/α-olefin copolymer having a Mooney viscosity ML1+4 (100° C.) of 90-250 and an ethylene content of 70-95 mole % or an ethylenic thermoplastic elastomer composition comprising 100 parts by weight of an olefinic thermoplastic elastomer and 1-20 parts by weight of an olefinic thermoplastic resin and, under lamination thereon, a skin layer made of either an ultrahigh molecular weight polyolefin resin having an intrinsic viscosity of 3.5-8.3 dl/g or made of an olefinic thermoplastic elastomer composition comprising an olefinic thermoplastic elastomer and a lubricant. The foamed laminate according to the present invention is easy in recycled use, obtainable at a high foaming expansion ratio with soft hand touch and is superior in the appearance, abrasion resistance, durability and sliding performance.
US Patent 07582352 Layered product olefin foam and use US Patent 7582352 Layered product olefin foam and use
US Patent 07582352 Layered product olefin foam and use
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