ISLANDS-IN-SEA FIBER - TORAY INDUSTRIES

Title:

ISLANDS-IN-SEA FIBER

Document Type and Number:

WIPO Patent Application WO/2013/021809

Kind Code:

A1

Abstract:

The present invention provides an islands-in-sea fiber which comprises island components and a sea component so arranged as to surround the island components, wherein the island components and the sea component are composed of at least two polymers and are provided on a fiber cross-section in a direction perpendicular to the fiber axis. The islands-in-sea fiber is a raw yarn for a combined filament yarn, which can be used for producing a cloth having good tension and drape and an excellent color-developing property. An islands-in-sea fiber in which at least two types of island components having different diameters are arranged on the same fiber cross section, the islands-in-sea fiber being characterized in that at least one type of the island components have diameters of 10-1000 nm and have fluctuations in diameters of 1.0-20.0%.

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Inventors:

MASUDA MASATO
FUNAKOSHI JOJI

Application Number:

PCT/JP2012/068652

Publication Date:

February 14, 2013

Filing Date:

July 24, 2012

Export Citation:

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Assignee:

TORAY INDUSTRIES (JP)
MASUDA MASATO
FUNAKOSHI JOJI

International Classes:

D01F8/04

Domestic Patent References:

WO2005095686A1	2005-10-13
WO2011093331A1	2011-08-04

Foreign References:

JPH05331711A	1993-12-14
JPH07118977A	1995-05-09
JP2002180329A	2002-06-26
JP2007026210A	2007-02-01
JPH05331711A	1993-12-14
JPH07118977A	1995-05-09
JPH08158144A	1996-06-18
JP2001192924A	2001-07-17

Other References: