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公开(公告)号:US10702626B2
公开(公告)日:2020-07-07
申请号:US16077338
申请日:2017-11-27
Applicant: LG Chem, Ltd. , Seoul National University R&DB Foundation
Inventor: Yong Seok Choi , Young Sam Kim , Jong Doo Lim , Jong-Chan Lee , Na Kyung Kim , Jinseok Kim
IPC: A61L15/60 , C08F2/44 , C08J3/24 , C08J3/12 , C08J3/075 , C08F2/10 , A61L15/46 , C08F2/48 , C08K3/22 , A61L15/18 , A61L15/26 , A61L15/44 , B01J20/06 , B01J20/26 , B01J20/28 , B01J20/30 , A61L15/42
Abstract: The present invention relates to a method for preparing superabsorbent polymer that has antibacterial activity, in which the basic properties of superabsorbent polymer are maintained or improved, and may exhibits excellent bacterial proliferation inhibition effect, and superabsorbent polymer prepared thereby. The preparation method of superabsorbent polymer comprises the steps of: forming base polymer powder using hydogel polymer comprising crosslinked polymer, and then, surface crosslinking the base polymer powder using a surface crosslinking solution comprising a surface crosslinking agent and cuprous oxide, wherein the cuprous oxide is included in the content of 0.001 to 2.5 parts by weight, based on 100 parts by weight of the base polymer powder.
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公开(公告)号:US20190046682A1
公开(公告)日:2019-02-14
申请号:US16077338
申请日:2017-11-27
Applicant: LG Chem, Ltd. , Seoul National University R&DB Foundation
Inventor: Yong Seok Choi , Young Sam Kim , Jong Doo Lim , Jong-Chan Lee , Na Kyung Kim , Jinseok Kim
IPC: A61L15/60 , B01J20/26 , B01J20/06 , B01J20/28 , B01J20/30 , A61L15/42 , A61L15/44 , A61L15/18 , A61L15/26
Abstract: The present invention relates to a method for preparing superabsorbent polymer that has antibacterial activity, in which the basic properties of superabsorbent polymer are maintained or improved, and may exhibits excellent bacterial proliferation inhibition effect, and superabsorbent polymer prepared thereby. The preparation method of superabsorbent polymer comprises the steps of: forming base polymer powder using hydogel polymer comprising crosslinked polymer, and then, surface crosslinking the base polymer powder using a surface crosslinking solution comprising a surface crosslinking agent and cuprous oxide, wherein the cuprous oxide is included in the content of 0.001 to 2.5 parts by weight, based on 100 parts by weight of the base polymer powder.
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公开(公告)号:US10760184B2
公开(公告)日:2020-09-01
申请号:US15766599
申请日:2017-01-09
Applicant: LG Chem, Ltd.
Inventor: Jin Seok Seo , Young Sam Kim
IPC: D01F6/16 , D04H13/00 , A61L15/24 , A61L15/42 , A61L15/60 , D01F1/02 , C08F20/06 , D04H1/42 , C08L33/02 , D01D1/02 , D01D5/18 , D01D10/06
Abstract: The present invention relates to a method for preparing superabsorbent polymer fiber and superabsorbent polymer fiber prepared thereby. According to the preparation method of the present invention, superabsorbent polymer in the form of fiber or non-woven fabric that maintains super absorbency function can be prepared.
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公开(公告)号:US10697092B2
公开(公告)日:2020-06-30
申请号:US15766599
申请日:2017-01-09
Applicant: LG Chem, Ltd.
Inventor: Jin Seok Seo , Young Sam Kim
IPC: D01F6/16 , D04H13/00 , A61L15/24 , A61L15/42 , A61L15/60 , D01F1/02 , C08F20/06 , D04H1/42 , C08L33/02 , D01D1/02 , D01D5/18 , D01D10/06
Abstract: The present invention relates to a method for preparing superabsorbent polymer fiber and superabsorbent polymer fiber prepared thereby. According to the preparation method of the present invention, superabsorbent polymer in the form of fiber or non-woven fabric that maintains super absorbency function can be prepared.
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公开(公告)号:US10471410B2
公开(公告)日:2019-11-12
申请号:US15766656
申请日:2017-01-31
Applicant: LG Chem, Ltd.
Inventor: Su-Jin Kim , Young Sam Kim , Bo-Hee Park , Young-In Yang
IPC: B01J20/26 , C08J3/205 , C08K3/36 , C08K3/30 , C08K5/053 , C08K5/092 , A61L15/18 , A61L15/26 , A61L15/42 , A61L15/60 , B01J20/02 , B01J20/10 , B01J20/22 , B01J20/28 , B01J20/30 , C08F220/06 , C08L33/02
Abstract: The present invention relates to a method for preparing superabsorbent polymer with improved anti-caking, and according to the present invention, a method for preparing superabsorbent polymer that has properties equivalent to or more excellent than the existing superabsorbent polymer but has improved anti-caking, and thus, has excellent processability, and superabsorbent polymer prepared thereby, are provided.
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公开(公告)号:US20180305503A1
公开(公告)日:2018-10-25
申请号:US15765092
申请日:2016-09-13
Applicant: LG Chem, Ltd.
Inventor: Jong Doo Lim , Young Sam Kim
CPC classification number: C08J3/075 , C08F2/44 , C08F2/50 , C08F20/06 , C08J3/03 , C08J3/12 , C08J3/24 , C08J3/245 , C08J2300/14 , C08J2333/02 , C08K7/26
Abstract: The present invention relates to a super absorbent polymer and a manufacturing method thereof. More particularly, the present invention relates to a manufacturing a fine powder reassembly in which excellent physical properties are maintained.
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公开(公告)号:US20180237611A1
公开(公告)日:2018-08-23
申请号:US15754481
申请日:2016-11-23
Applicant: LG Chem, Ltd.
Inventor: Young-In Yang , Young Sam Kim , Bo-Hee Park , Su-Jin Kim
IPC: C08K3/36 , C08J3/075 , C08K3/04 , C08K3/22 , A61L15/18 , A61L15/20 , A61L15/42 , A61L15/60 , A61L15/24 , C08J9/228
Abstract: The present invention relates to an attrition-resistant superabsorbent polymer comprising a superabsorbent polymer; water; and at least three selected from the group consisting of particles having i) a BET specific surface area of 300 to 1500 m2/g and ii) a porosity of 50% or more, a multivalent metal salt, an organic acid and a polyhydric alcohol, and a preparation method thereof.
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公开(公告)号:US10723860B2
公开(公告)日:2020-07-28
申请号:US15754481
申请日:2016-11-23
Applicant: LG Chem, Ltd.
Inventor: Young-In Yang , Young Sam Kim , Bo-Hee Park , Su-Jin Kim
IPC: C08J9/228 , C08K3/36 , C08K3/22 , A61L15/18 , A61L15/20 , A61L15/42 , A61L15/60 , A61L15/24 , C08J3/075 , C08K5/053 , C08J3/24 , C08K5/09 , C08K5/092 , C08K3/10 , C08K3/30 , C08K3/04
Abstract: The present invention relates to an attrition-resistant superabsorbent polymer comprising a superabsorbent polymer; water; and at least three selected from the group consisting of particles having i) a BET specific surface area of 300 to 1500 m2/g and ii) a porosity of 50% or more, a multivalent metal salt, an organic acid and a polyhydric alcohol, and a preparation method thereof.
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公开(公告)号:US10583052B2
公开(公告)日:2020-03-10
申请号:US15751705
申请日:2016-12-01
Applicant: LG Chem, Ltd.
Inventor: Jin Woo Lee , Young Sam Kim , Young In Yang , Su Jin Kim
IPC: A61L15/46 , B01J20/26 , A61F13/53 , C08L101/00 , A61L15/18 , C08J3/12 , A61L15/20 , C08K9/12 , A61L15/60 , A61L15/42 , C08K3/22 , C08K7/18 , C08K5/09 , C08K3/08
Abstract: The present invention relates to a superabsorbent polymer composition. Since the superabsorbent polymer composition comprises aluminosilicate particles capable of effectively adsorbing and decreasing compounds inducing odor in sanitary products such as a diaper, etc. without deterioration of the properties of superabsorbent polymer such as centrifugal retention capacity, absorbency under load, and penetration, and does not induce caking, it can be usefully used in sanitary products, etc.
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公开(公告)号:US20180313000A1
公开(公告)日:2018-11-01
申请号:US15766599
申请日:2017-01-09
Applicant: LG Chem, Ltd.
Inventor: Jin Seok Seo , Young Sam Kim
IPC: D01F6/16 , A61L15/60 , A61L15/24 , A61L15/42 , C08F20/06 , C08L33/02 , D01D5/18 , D01D1/02 , D01D10/06 , D01F1/02 , D04H1/42
Abstract: The present invention relates to a method for preparing superabsorbent polymer fiber and superabsorbent polymer fiber prepared thereby. According to the preparation method of the present invention, superabsorbent polymer in the form of fiber or non-woven fabric that maintains super absorbency function can be prepared.
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