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Title:
鞘/芯構造を有する繊維を含有する不織シート
Document Type and Number:
Japanese Patent JP2012512336
Kind Code:
A
Abstract:
A non-woven sheet contains sheath/core polymer fibers with the polymer in the sheath having a melting point at least 15 degrees centigrade higher than the melting point of the polymer of the core. The fibers have an average diameter greater than 7 microns and the sheet has a normalized air resistance greater than 0.25/(g/m2).

Inventors:
Laura David Matthews Junior
Mashun
Laurin Paul Ellis Jr.
Application Number:
JP2011540948A
Publication Date:
May 31, 2012
Filing Date:
December 14, 2009
Export Citation:
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Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
D04H3/147; D04H3/153
Domestic Patent References:
JPH06330446A1994-11-29
JP2008095226A2008-04-24
JP2007513270A2007-05-24
JP2008501872A2008-01-24
JP2006274503A2006-10-12
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Kobayashi Machiko