公开(公告)号：US12128380B2

公开(公告)日：2024-10-29

申请号：US17498896

申请日：2021-10-12

申请人： The Procter & Gamble Company

发明人： Arsen Arsenov Simonyan ,  Natasa Dijakov ,  Dimitris Ioannis Collias ,  Yiping Sun

IPC分类号： B01J20/26 ,  A61F13/15 ,  A61L15/60 ,  B01J20/28 ,  B01J20/30 ,  C08F220/06 ,  C08F222/10 ,  C08J3/24

CPC分类号： B01J20/261 ,  A61F13/15 ,  A61L15/60 ,  B01J20/267 ,  B01J20/28007 ,  B01J20/3028 ,  C08F220/06 ,  C08F222/102 ,  C08J3/245 ,  B01J2220/4812 ,  B01J2220/4893 ,  B01J2220/68

摘要： Superabsorbent polymer material comprising cross-linked polyacrylic acid and salts thereof. The superabsorbent polymer material further comprising at least 3.0 weight-%, based on the total weight of the superabsorbent polymer material, of soluble polyacrylic acid polymers. A method for making such superabsorbent polymer materials is also disclosed.

公开(公告)号：US20220267559A1

公开(公告)日：2022-08-25

申请号：US17591646

申请日：2022-02-03

申请人： The Procter & Gamble Company

发明人： Juliane Kamphus ,  Bruno Johannes Ehrnsperger ,  Arsen Arsenov Simonyan ,  Natasa Dijakov ,  Saskia Kraemer ,  Jacqueline Besinaiz Thomas ,  Yiping Sun

IPC分类号： C08J11/16

摘要： A method for degrading crosslinked superabsorbent fibers (SAF) into soluble polymers is disclosed. Degradation is achieved with an oxidative water-soluble salt comprising at least one cation and at least one anion.