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Title:
HIGHLY ABSORBENT COMPOSITE COMPOSITIONS, ABSORBENT SHEETS PROVIDED WITH THE COMPOSITIONS, AND PROCESS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/1998/025999
Kind Code:
A1
Abstract:
Composite compositions containing, as the major components, fine hydratable microfibril fibers obtained from cellulose or derivatives thereof and a solid capable of swelling with water, wherein at least part of the surface of the solid is coated with the fine microfibril fibers, and a process for producing the same. The solid capable of swelling with water is exemplified by particulate polymer absorbents to which short fibers have been added as the third component. These composite absorbents may be located on supporting sheets made of, for example, a nonwoven fabric to give composite absorbent sheets applicable to various absorbent products including diapers for infants and adults.

Inventors:
SUZUKI MIGAKU (JP)
MATSUMOTO RYOICHI (JP)
MORI SHINGO (JP)
Application Number:
PCT/JP1997/004606
Publication Date:
June 18, 1998
Filing Date:
December 15, 1997
Export Citation:
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Assignee:
JAPAN ABSORBENT TECH INST (JP)
SUZUKI MIGAKU (JP)
MATSUMOTO RYOICHI (JP)
MORI SHINGO (JP)
International Classes:
A61F13/15; A61L15/22; A61L15/28; A61L15/60; B29C70/34; C08L1/02; D06M15/05; (IPC1-7): C08L1/00; A61L15/00; A41B13/00; D06M15/05
Foreign References:
JPH08509511A1996-10-08
JPH04504969A1992-09-03
JPS6236467A1987-02-17
JPS6227413A1987-02-05
JPS5745057A1982-03-13
JPS622918A1987-01-08
JPS486641B1
JPS5038720B21975-12-11
JPH08284090A1996-10-29
JPH0580484B21993-11-09
JPH0959862B
JP34541096A1996-12-25
Other References:
See also references of EP 0947549A4
Attorney, Agent or Firm:
Yamashita, Johei (SVAX Hamamatsu-cho Building 18-14, Hamamatsu-cho 1-chom, Minato-ku Tokyo 105, JP)
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