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公开(公告)号：US10967347B2
公开(公告)日：2021-04-06
申请号：US16754628
申请日：2018-10-12
申请人： LG Chem, Ltd.
发明人： Sunyoung Kim , Young Cheol Jung , Ye Hoon Im , Youngsoo Song , Kyunghoon Min
摘要： A chute type monomer dispenser is provided in the present disclosure. The chute type monomer dispenser includes a chute dispenser installed to be slanted in a direction of a polymerization apparatus, the chute dispenser is configured to inject a monomer to the polymerization apparatus through an injection pipe having an injection portion having an opening at an upper portion of the chute dispenser; and an injector configured to inject an initiator and a foaming agent to the injection portion.
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公开(公告)号：US12024577B2
公开(公告)日：2024-07-02
申请号：US17612429
申请日：2021-01-20
申请人： LG CHEM, LTD.
发明人： Yoon Jae Min , Gicheul Kim , Young Cheol Jung , Wonchan Park
IPC分类号： C08K5/11 , C08F290/06
CPC分类号： C08F290/062 , C08K5/11
摘要： The present disclosure relates to a preparation method of a super absorbent polymer. More specifically, it relates to a preparation method of a super absorbent polymer capable of significantly reducing the amount of fine powder generated during the process by mixing a hydrogel polymer with an additive having a specific structure, pulverizing it, and then drying it with a paddle-type dryer.
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公开(公告)号：US20210001295A1
公开(公告)日：2021-01-07
申请号：US16754628
申请日：2018-10-12
申请人： LG Chem, Ltd.
发明人： Sunyoung Kim , Young Cheol Jung , Ye Hoon Im , Youngsoo Song , Kyunghoon Min
摘要： A chute type monomer dispenser is provided in the present disclosure. The chute type monomer dispenser includes a chute dispenser installed to be slanted in a direction of a polymerization apparatus, the chute dispenser is configured to inject monomer to the polymerization apparatus through an injection pipe having an injection portion having an opening at an upper portion of the chute dispenser; and an injector configured to inject an initiator and a foaming agent to the injection portion.
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