公开(公告)号：US20230287155A1

公开(公告)日：2023-09-14

申请号：US18016249

申请日：2022-01-28

Applicant: LG CHEM, LTD.

Inventor： Serin LEE ,  Seung Hun YANG ,  Ju Eun KIM ,  Joonil CHO ,  Hoyong LEE ,  Jungmin LEE

IPC: C08F20/06 ,  C08J3/075

CPC classification number: C08F20/06 ,  C08J3/075 ,  C08J2333/08

Abstract: This invention relates to a method for preparing super absorbent polymer, and more specifically, a method for preparing super absorbent polymer that can more productively prepare super absorbent polymer having excellent absorption properties and optimum gel strength at the same time, by using a specific polymerization initiator and chelating agent in combination during a crosslinking polymerization step.

公开(公告)号：US20230416439A1

公开(公告)日：2023-12-28

申请号：US18018162

申请日：2022-01-18

Applicant: LG CHEM, LTD.

Inventor： Ju Eun KIM ,  Seung Hun YANG ,  Joonil CHO ,  Serin LEE ,  Hoyong LEE ,  Jungmin LEE

IPC: C08F265/04 ,  C08K9/10 ,  C08J9/14 ,  C08J3/075 ,  C08J3/24

CPC classification number: C08F265/04 ,  C08K9/10 ,  C08J2351/00 ,  C08J3/075 ,  C08J3/245 ,  C08J9/141

Abstract: Provided are a superabsorbent polymer composition, and a preparation method thereof. More particularly, provided are a superabsorbent polymer, of which a high absorption rate and excellent gel strength are improved at the same time by using specific additives in combination during polymerization, and a preparation method thereof.