Title:
Water absorbency resin
Document Type and Number:
Japanese Patent JP6275107
Kind Code:
B2
Abstract:
Object The main object of the present invention is to provide a water-absorbent resin having a suitable particle size, strong particle strength, excellent adhesion to fibers, and excellent flowability as powders as well as properties suitable for a water-absorbent material used in a hygienic material, such as excellent general absorption properties as a water-absorbent resin, and to provide a process for producing the same. Another object of the present invention is to provide an absorbent material and an absorbent article using the water-absorbent resin. Means for Achieving the Object A water-absorbent resin having an aspect ratio of 1.0 to 3.0 and a median particle size (D) of 100 to 2,000 µm in which primary particles having an aspect ratio of 1.1 to 200 and a median particle size (d) of 50 to 600 µm are agglomerated.
Inventors:
Masayoshi Handa
Yuichi Onoda
Koji Ueda
Yuichi Onoda
Koji Ueda
Application Number:
JP2015253656A
Publication Date:
February 07, 2018
Filing Date:
December 25, 2015
Export Citation:
Assignee:
Sumitomo Seika Co., Ltd.
International Classes:
A61F13/53; A61F13/15; A61L15/60; B01J20/26
Domestic Patent References:
| JP6245958A | ||||
| JP2004261796A | ||||
| JP2006068731A |
Foreign References:
| WO2007123188A1 | ||||
| WO2008015980A1 |
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office