FILAMENT NONWOVEN FABRIC - MITSUI CHEMICALS, INC.

Title:

FILAMENT NONWOVEN FABRIC

Document Type and Number:

WIPO Patent Application WO/2010/024268

Kind Code:

A1

Abstract:

A filament nonwoven fabric which is composed of a hollow fiber having excellent strength, especially a hollow fiber having high single fiber strength which has high hollow rate even when formed into a thin fiber. Specifically disclosed is a filament nonwoven fabric composed of a hollow fiber of a propylene polymer which has a ratio of the Z average molecular weight (Mz) to the weight average molecular weight (Mw), (Mz/Mw) of 1.5-1.9, preferably with the ratio of the weight average molecular weight (Mw) to the number average molecular weight (Mn), (Mw/Mn) being within the range of 2.0-2.9.

Inventors:

MATSUBARA, Akio (INC. 580-32, Nagaura, Sodegaura-sh, Chiba 65, 〒2990265, JP)
松原　暁雄 (〒65 千葉県袖ヶ浦市長浦５８０－３２　三井化学株式会社内 Chiba, 〒2990265, JP)
YOKOYAMA, Tetsuya (INC. 580-32, Nagaura, Sodegaura-sh, Chiba 65, 〒2990265, JP)
横山　哲也 (〒65 千葉県袖ヶ浦市長浦５８０－３２　三井化学株式会社内 Chiba, 〒2990265, JP)

Application Number:

JP2009/064822

Publication Date:

March 04, 2010

Filing Date:

August 26, 2009

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Assignee:

MITSUI CHEMICALS, INC. (5-2 Higashi-Shimbashi 1-chome, Minato-ku Tokyo, 17, 〒1057117, JP)
三井化学株式会社 (〒17 東京都港区東新橋一丁目５番２号 Tokyo, 〒1057117, JP)
MATSUBARA, Akio (INC. 580-32, Nagaura, Sodegaura-sh, Chiba 65, 〒2990265, JP)
松原　暁雄 (〒65 千葉県袖ヶ浦市長浦５８０－３２　三井化学株式会社内 Chiba, 〒2990265, JP)
YOKOYAMA, Tetsuya (INC. 580-32, Nagaura, Sodegaura-sh, Chiba 65, 〒2990265, JP)

International Classes:

D04H3/00; D01F6/06; D04H3/14; D04H3/16

Attorney, Agent or Firm:

SSINPAT PATENT FIRM (Gotanda Yamazaki Bldg. 6F, 13-6 Nishigotanda 7-chome, Shinagawa-k, Tokyo 31, 〒1410031, JP)

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