Very soft polyolefin spunbonded nonwoven fabric and its...

Details Very soft polyolefin spunbonded nonwoven fabric and its... Very soft polyolefin spunbonded nonwoven fabric and its...

D - Textiles, Paper

04

H

18/586

D04H 3/16 (2006.01)

Patent

CA 1283764

ABSTRACT OF THE DISCLOSURE Disclosed are a very soft polyolefin spunbonded nonwoven fabric and its production method. The polyolefin spunbonded nonwoven fabric according to the present invention is defined as (A) being formed of continuous polyolefin fibers having a fineness of 0.5 to 3 denier, (B) having basic weight between 30 g/m2 and 15 g/m2, and (C) having Image of 2.5 g or below, wherein SMD and STD are respectively the softnesses in the machine and transverse directions as measured by a handle-O-meter. The method of producing a strip of very soft polyolefin nonwoven fabric by directing polyolefin continuous fibers in a fixed direction, comprises the steps of: orienting the axes of the continuous fibers in the direction in which the continuous fibers are fed so as to form a web having a warp orientation factor (the maximum tensile strength in the direction in which the continuous fibers are fed, i.e., in a machine direction/the maximum tensile strength in a transverse direction) of 3.0 or above; and then applying wave-like crepes propagated in the machine direction to the web by creping the web.

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