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Patent Searching and Data


Title:
LAMINATED NONWOVEN FABRIC AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH09279450
Kind Code:
A
Abstract:

To obtain a nonwoven fabric comprising short fibers made of conjugate filament yarns of excellent cooling disposition. spinnability and drawability following their delivery from a spinneret, good in biodegradability, rich in both moisture and water absorbability, and having enough mechanical strength to stand its practical use.

This laminated nonwoven fabric has such structure that a short fiber web comprising conjugate short fibers is laminated with a natural fiber web comprising natural fibers and the laminate is integrated through three- dimensional interlacing. Each of the conjugate short fibers is made up of high- melting component A consisting of a 1st biodegradable aliphatic polyester and low-melting component B consisting of a 2nd biodegradable aliphatic polyester lower in melting point than the 1st polyester, and has such structure that the respective plural high-melting components A and low-melting components B are alternately laminated with each other in the fiber cross-section and lie continuous in the direction of fiber axis and also exposed onto the fiber surface.


Inventors:
YONEZAWA YASUHIRO
SUZUKI KATSUNORI
Application Number:
JP9211396A
Publication Date:
October 28, 1997
Filing Date:
April 15, 1996
Export Citation:
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Assignee:
UNITIKA LTD
International Classes:
D01F8/14; C08L101/16; D04H1/541; (IPC1-7): D04H1/54; D01F8/14
Attorney, Agent or Firm:
森本 義弘