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Title:
FINE CELLULOSE FIBER SHEET
Document Type and Number:
WIPO Patent Application WO/2015/008868
Kind Code:
A1
Abstract:
 The present invention provides a fine cellulose fiber sheet, of which various properties and functions such as paper making ability, solvent resistance, adhesion, functionalization agent immobilization, surface zeta potential, hydrophilia, hydrophobicity, and air permeation resistance are finely controlled, through a process having low environmental impact. A fine cellulose fiber sheet according to the present invention fulfills all of the following requirements (1) to (3): (1) comprises fine cellulose fibers having an average fiber diameter of 2 nm or greater and 1000 nm or less; (2) the weight ratio of the fine cellulose fibers is 50 wt% or greater and 99 wt% or less; and (3) the block polyisocyanate aggregate content as a weight ratio is 1 to 100 wt% of the weight of the fine cellulose fibers.

Inventors:
KAWAHARA KAZUFUMI (JP)
SATO DAISUKE (JP)
ONO HIROFUMI (JP)
SAITO YAMATO (JP)
Application Number:
PCT/JP2014/069248
Publication Date:
January 22, 2015
Filing Date:
July 18, 2014
Export Citation:
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Assignee:
ASAHI KASEI FIBERS CORP (JP)
International Classes:
D21H11/18; B01D69/12; B01D71/10; B32B5/24; C12M1/00; C12M3/00; D21H17/07; F28F3/00
Domestic Patent References:
WO2014014099A12014-01-23
WO2006004012A12006-01-12
WO2006004012A12006-01-12
Foreign References:
JP2012046843A2012-03-08
JP2003138497A2003-05-14
JPS62206099A1987-09-10
JP2012167406A2012-09-06
JPH1095803A1998-04-14
JPH11209401A1999-08-03
JP2014024928A2014-02-06
JP2012046843A2012-03-08
JP2012116905A2012-06-21
JP2003138497A2003-05-14
Other References:
J. BRANDRUP; E. H. IMMERGUT: "Polymer Handbook", pages: V-153 - V-155
A. ISOGAI ET AL., BIOMACROMOLECULES, vol. 7, 2006, pages 1687 - 1691
See also references of EP 3023542A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
Aoki 篤 (JP)
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