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Title:
NONWOVEN FABRIC AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH08170263
Kind Code:
A
Abstract:

PURPOSE: To provide a nonwoven fabric composed of a nonwoven fabric of a specific hydrophobic filament and a specific short fiber web containing a hydrophilic fiber, satisfying air-permeability, water-resistance and wearing comfortableness at the same time and suitable for medical use.

CONSTITUTION: A filament nonwoven fabric having a number of hot-pressed recesses each having an area of 0.3-0.6mm2 and a short fiber web containing 40-70wt.% of a hydrophilic fiber (preferably regenerated fiber, etc.) are interlocked and integrated to a surface of a cloth of a hydrophobic filament such as polyolefin or polyester. The laminate is subjected to a fluid-jet treatment from the side of the short fiber web under a water-pressure of ≥80kg/cm2 and then to the fluid-jet treatment from the side of the nonwoven filament fabric to obtain a nonwoven fabric having an areal density of the nonwoven layer of 60-80g/m2 and a thickness of 0.3-0.6mm. This nonwoven fabric gives a nonwoven fabric material for medical use having a water- content of ≥5%, an air-permeability of 100-180cm3/cm2/sec, a water-resistant pressure of ≥12cm, a surface abrasion strength of ≥14, a tensile strength of ≥9.0kg/5cm width in longitudinal direction, a tearing strength of ≥0.8kg in longitudinal direction and a tensile strength of ≥2.5kg/5cm width in lateral direction and exhibiting excellent abrasion resistance and sanitariness.


Inventors:
MURAUCHI KAZUO
YOSHINO KENJI
Application Number:
JP16860695A
Publication Date:
July 02, 1996
Filing Date:
July 04, 1995
Export Citation:
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Assignee:
TOYO BOSEKI
International Classes:
A61B19/08; D04H5/03; (IPC1-7): D04H5/02