公开(公告)号：US11931290B2

公开(公告)日：2024-03-19

申请号：US16956103

申请日：2018-12-21

申请人： NIPPON SHOKUBAI CO., LTD.

发明人： Sachie Kitabata ,  Shigeru Sakamoto ,  Sumito Kumagai ,  Kozo Nogi ,  Kunihiko Ishizaki

IPC分类号： B01J20/26 ,  A61F7/03 ,  A61F7/02

CPC分类号： A61F7/034 ,  A61F2007/0222 ,  A61F2007/038

摘要： An object of the present invention is to provide a water absorbent resin powder for a heat-generating element composition, which suppresses the generation of the aggregates derived from the water absorbent resin and the adhesion of the water absorbent resin in the production of a heat-generating element composition.
A present inventive water absorbent resin powder for a heat-generating element composition includes polyacrylic acid (salt)-based water absorbent resin powder which have a bulk specific gravity (specified by JIS K3362) of 0.630 g/cm3 or less, fluid retention capacity without load (CRC) for a 0.9% by weight aqueous solution of sodium chloride (specified by ERT441.01-2) of 32.0 g/g or less, a weight-average particle diameter (specified by sieve classification) of 250 μm or more, and an amount of a residual glycidyl-based crosslinking agent of 10 ppm or less.

公开(公告)号：US20240157298A1

公开(公告)日：2024-05-16

申请号：US18282758

申请日：2022-03-30

申请人： NIPPON SHOKUBAI CO., LTD.

发明人： Sumito Kumagai ,  Hiroki Tokushima ,  Akitoshi Matono

IPC分类号： B01D61/00 ,  C02F1/44 ,  C08G65/26

CPC分类号： B01D61/005 ,  C02F1/445 ,  C08G65/26

摘要： A draw solute for a forward osmosis membrane process, containing a compound including a structural site derived from an amine compound and a polyoxyalkylene structural site wherein two or more oxyalkylene groups are randomly bonded.