Title:
The manufacturing method of a gel grinding apparatus and polyacrylic acid (salt) system water absorbency resin powder, and water absorbency resin powder
Document Type and Number:
Japanese Patent JP5989913
Kind Code:
B2
Abstract:
Water absorbent resin powder comprising a polyacrylic acid (salt)-based water absorbent resin as a main component, the water absorbent resin powder satisfying the following conditions (A) to (C): (A) the water absorbent resin powder containing particles smaller than 150 µm in a ratio of 0 mass% to 4.5 mass% before an impact resistance test, and the water absorbent resin powder containing, in a ratio of 0 mass% to 4.5 mass%, particles smaller than 150 µm and increased by the impact resistance test; (B) the water absorbent resin powder having an absorption capacity under load (AAP) of not less than 17; and (C) the water absorbent resin powder having a thermal conductivity of not more than 125 [mW/(m·K)].
Inventors:
Kazushi Torii
Kohei Omori
Shinya Tanaka
Shigeru Sakamoto
Kenji Kamata
Daisuke Sato
Kohei Omori
Shinya Tanaka
Shigeru Sakamoto
Kenji Kamata
Daisuke Sato
Application Number:
JP2015534291A
Publication Date:
September 07, 2016
Filing Date:
August 28, 2014
Export Citation:
Assignee:
Nippon Shokubai Co., Ltd.
International Classes:
B29B9/00; C08J3/12; B29B9/08; B29B13/10; C08J3/075
Domestic Patent References:
| JP2000063527A | 2000-02-29 | |||
| JP2012012482A | 2012-01-19 |
Foreign References:
| WO2011040472A1 | 2011-04-07 |
Attorney, Agent or Firm:
Harakenzo world patent & trademark