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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
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.
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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.
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公开(公告)号：US20230249155A1
公开(公告)日：2023-08-10
申请号：US18015686
申请日：2021-12-07
Applicant: LG CHEM, LTD.
Inventor： Yoon Jae MIN , Gicheul KIM , Tae Yun KIM , Jungmin LEE , Jae Hoon CHOI
CPC classification number: B01J20/261 , C08F2/44 , C08F2/46 , C08F2/10 , C08K5/101 , B01J20/3007 , B01J20/3085 , B01J20/28085
Abstract: This invention relates to a method for preparing superabsorbent polymer. More specifically, this invention relates to a method for preparing superabsorbent polymer that realizes excellent drying efficiency, and thus, effectively inhibits warping of resin.
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