MIXED FIBER AND, STRETCH NONWOVEN FABRIC COMPRISING SAID MIXED FIBER AND METHOD FOR MANUFACTURE THEREOF

Title:

MIXED FIBER AND, STRETCH NONWOVEN FABRIC COMPRISING SAID MIXED FIBER AND METHOD FOR MANUFACTURE THEREOF

Document Type and Number:

WIPO Patent Application WO/2004/065680

Kind Code:

A1

Abstract:

A mixed fiber which comprises a fiber (A) comprising a polymer (A) containing a thermoplastic polyurethane elastomer exhibiting a starting temperature for solidifying of 65°C or higher as measured by differential scanning calorimetry (DSC) and having a number of particles insoluble in a polar solvent of three million pieces/g or less as measured by using a particle size distribution measuring instrument according to the pore electric resistance method, provided with an aperture of 100 μm, and a fiber (B) comprising a thermoplastic polymer (B) except the above thermoplastic polyurethane elastomer; and a stretch nonwoven fiber comprising the mixed fiber.

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Inventors:

SUZUKI KENICHI (JP)
MOTOMURA SHIGEYUKI (JP)
YAMASAKI SATOSHI (JP)
NISHIGUCHI DAISUKE (JP)
KAWANABE HISASHI (JP)

Application Number:

PCT/JP2004/000573

Publication Date:

August 05, 2004

Filing Date:

January 23, 2004

Export Citation:

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Assignee:

MITSUI CHEMICALS INC (JP)
MITSUI TAKEDA CHEMICALS INC (JP)
SUZUKI KENICHI (JP)
MOTOMURA SHIGEYUKI (JP)
YAMASAKI SATOSHI (JP)
NISHIGUCHI DAISUKE (JP)
KAWANABE HISASHI (JP)

International Classes:

D04H3/14; D04H13/00; (IPC1-7): D04H3/00

Domestic Patent References:

WO1999039037A1

1999-08-05

Foreign References:

JPH0987358A	1997-03-31
EP0125494A2	1984-11-21
JPS4738914B1	1972-10-02
JP2002242069A	2002-08-28
JPH09188951A	1997-07-22
JPH05321119A	1993-12-07
JPS59223347A	1984-12-15
US4209563A	1980-06-24
JPH0987358A	1997-03-31

Other References: