Title:
WATER-DISINTEGRABLE SHEET
Document Type and Number:
WIPO Patent Application WO/2016/194460
Kind Code:
A1
Abstract:
A water-disintegrable sheet that comprises a base paper sheet, said base paper sheet containing a water-soluble binder added thereto, impregnated with a chemical solution, wherein: the base paper sheet is prepared by ply processing multiple sheets of base paper, has a basis weight (metsuke) 30-150 gsm, and has a composition ratio of softwood pulp to hardwood pulp of less than 1/1; the chemical solution contains a crosslinking agent for crosslinking the water-soluble binder and a tri- or higher hydric alcohol; and the base paper sheet is impregnated with 1-20 wt% of the tri- or higher hydric alcohol on the weight basis.
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Inventors:
IZUMI SHINYA (JP)
TANAKA ASAKO (JP)
HASEZAWA ATSUKO (JP)
MUKOYAMA SHINPEI (JP)
YAMAZAKI KOSUKE (JP)
TANAKA ASAKO (JP)
HASEZAWA ATSUKO (JP)
MUKOYAMA SHINPEI (JP)
YAMAZAKI KOSUKE (JP)
Application Number:
PCT/JP2016/060510
Publication Date:
December 08, 2016
Filing Date:
March 30, 2016
Export Citation:
Assignee:
DAIO SEISHI KK (JP)
International Classes:
D21H19/34; A47L13/17; D21H27/30
Foreign References:
| JP2011030793A | 2011-02-17 | |||
| JP2007154359A | 2007-06-21 |
Other References:
See also references of EP 3305983A4
Attorney, Agent or Firm:
ARAFUNE, Hiroshi et al. (JP)
Hiroshi Arafune (JP)
Hiroshi Arafune (JP)
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