发明名称 |
PROCESS FOR PRODUCING INTERTWINED ULTRAFINE FILAMENT SHEET |
摘要 |
<p>A method of producing an entangled sheet of microfine long fibers using long fibers for forming microfine fibers. The method includes a step of forming a long-fiber web made of long fibers for forming microfine fibers, at least one component of the long fibers being a water-soluble, thermoplastic polyvinyl alcohol resin; a step of entangling the long-fiber web to form a long-fiber entangled sheet; a step of shrinking the long-fiber entangled sheet to form a long-fiber shrunk sheet; and a step of converting the long fibers for forming microfine fibers in the long-fiber shrunk sheet to microfine long fibers, thereby producing the entangled sheet of microfine long fibers. The step of entangling is conducted so as to allow the long-fiber entangled sheet to have an interlaminar peel strength of 2 kg/2.5 cm or more. The step of shrinking is conducted so as to shrink in an areal shrinkage of 35% or more.</p> |
申请公布号 |
EP1760177(A4) |
申请公布日期 |
2008.10.15 |
申请号 |
EP20050751513 |
申请日期 |
2005.06.15 |
申请人 |
KURARAY CO., LTD. |
发明人 |
YASUDA, YOSHIAKI;TANAKA, JIRO;ANDO, YOSHIYUKI;NOBUTO, YOSHIKI;NAKAYAMA, KIMIO;TANBA, YOSHIHIRO;YAMASAKI, TSUYOSHI |
分类号 |
D01F8/14;D04H1/48;D06N3/00 |
主分类号 |
D01F8/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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