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Title:
NON-WOVEN FABRIC PRODUCTION METHOD AND SCREW
Document Type and Number:
WIPO Patent Application WO/2020/166013
Kind Code:
A1
Abstract:
A production method for non-woven fabric, that: supplies a propylene polymer and an organic peroxide into an extruder comprising a screw comprising a cross saw and a Unimelt; melt-kneads a propylene polymer resin composition including the propylene polymer and organic peroxide inside the extruder; and spin molds the melt-kneaded propylene polymer resin composition and produces a non-woven fabric.

Inventors:
HISAMOTO TAKASHI (JP)
MOTOMURA SHIGEYUKI (JP)
SHIODE HIROHISA (JP)
ISAKI TAKEHARU (JP)
Application Number:
PCT/JP2019/005390
Publication Date:
August 20, 2020
Filing Date:
February 14, 2019
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
D04H3/007; B29B7/38; B29C48/395; B29C48/50; D04H3/14
Domestic Patent References:
WO2017002227A12017-01-05
Foreign References:
JPS62223312A1987-10-01
JPS61242809A1986-10-29
JPS58152023A1983-09-09
JPS584807A1983-01-12
JPS57151720U1982-09-24
JPH0564809A1993-03-19
JP2001212870A2001-08-07
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
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