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公开(公告)号：US20230383089A1
公开(公告)日：2023-11-30
申请号：US18031860
申请日：2022-07-14
Applicant: LG CHEM, LTD.
Inventor： Ki Jae LEE , Eunju PARK , Jungmoon BAE , Jeongbin LEE , Joong Jin HAN , Mooho HONG
CPC classification number: C08J11/24 , C08G64/16 , C08J2369/00
Abstract: The present disclosure relates to a monomer composition for synthesizing recycled plastic that contains a high-purity aromatic diol compound recovered through recycling by chemical decomposition of a polycarbonate-based resin, a method for preparing the same, and a recycled plastic and molded product using the same. Also, the present disclosure relates to a monomer composition for synthesizing recycled plastic that contains a by-product with a high added value recovered through recycling by chemical decomposition of a polycarbonate-based resin, a method for preparing the same, and a recycled plastic and molded product using the same.
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公开(公告)号：US20210230360A1
公开(公告)日：2021-07-29
申请号：US15734954
申请日：2019-08-09
Applicant: LG CHEM, LTD.
Inventor： Youngwook SON , Young In YANG , Ki Jae LEE , Mooho HONG , Byoungkue JEON , Young Young HWANG
Abstract: Provided is a polycarbonate of Chemical Formula 1: wherein in Chemical Formula 1: Ar is C6-60 arylene unsubstituted or substituted with C1-10 alkyl; and n and m are each independently an integer from 1 to 50, provided that n+m is 2 or more and a preparation method thereof.
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公开(公告)号：US20190330466A1
公开(公告)日：2019-10-31
申请号：US16315578
申请日：2017-10-17
Applicant: LG CHEM, LTD.
Inventor： Hyong Min BAHN , Young Young HWANG , Moo Ho HONG , Jung Jun PARK , Ki Jae LEE
IPC: C08L69/00
Abstract: The present invention relates to a polycarbonate composition and an article including the same. The polycarbonate composition according to the present invention includes a copolycarbonate having a specific siloxane structure and a branched or non-branched polycarbonate, and simultaneously uses a flame retardant and an organophosphorus compound, thereby being able to exhibit excellent flame retardancy and impact strength and also to maintain the impact strength even under high temperature and high humidity conditions for a long period of time.
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公开(公告)号：US20180194894A1
公开(公告)日：2018-07-12
申请号：US15742000
申请日：2016-08-17
Applicant: LG CHEM, LTD.
Inventor： Young Young HWANG , Young Wook SON , Moo Ho HONG , Hyong Min BAHN , Byoung Kue CHUN , Jung Jun PARK , Un KO , Ki Jae LEE
Abstract: Provided are a novel polyorganosiloxane capable of preparing copolycarbonate with improved weather resistance and flowability while maintaining the intrinsic physical properties of polycarbonate resin, and a copolycarbonate prepared by using the same.
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公开(公告)号：US20160369095A1
公开(公告)日：2016-12-22
申请号：US15023740
申请日：2015-11-16
Applicant: LG CHEM, LTD.
Inventor： Jung Jun PARK , Hyong Min BAHN , Young Young HWANG , Moo Ho HONG , Ki Jae LEE , Byoung Kyu CHUN , Un KO , Young Wook SON
CPC classification number: C08L69/00 , C08G64/06 , C08G64/085 , C08G64/1666 , C08G64/1691 , C08G64/18 , C08G64/186 , C08G64/22 , C08G64/24 , C08G64/307 , C08G64/38 , C08G77/14 , C08G77/20 , C08G77/448 , C08J5/00 , C08J5/08 , C08K5/005 , C08K5/3475 , C08K5/42 , C08K5/521 , C08L51/04 , C08L69/005 , C08L83/04 , C08L83/06 , C08L83/10 , C08L2201/08 , C08L2201/10 , C08L2205/02 , C08L2205/025 , C08L2205/03 , C08L2205/035 , C08L2205/05 , C08L2205/06 , C08L2207/53 , C09K21/14 , C08L83/00
Abstract: The present invention relates to a polycarbonate resin composition which may improve melting properties of a copolycarbonate in which a polysiloxane structure is introduced in a main chain of the polycarbonate. The present polycarbonate resin composition comprises a polycarbonate together with a copolycarbonate and thus may improve melting properties while maintaining the physical properties of the copolycarbonate to the maximum.
Abstract translation: 本发明涉及一种聚碳酸酯树脂组合物，其可以提高在聚碳酸酯的主链中引入聚硅氧烷结构的共聚碳酸酯的熔融性。 本发明的聚碳酸酯树脂组合物包括聚碳酸酯和共聚碳酸酯，因此可以提高熔融性能，同时将共聚碳酸酯的物理性能最大化。
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Patent Agency Ranking
公开(公告)号：US20230383090A1
公开(公告)日：2023-11-30
申请号：US18031863
申请日：2022-07-14
Applicant: LG CHEM, LTD.
Inventor： Jeongbin LEE , Eunju PARK , Ki Jae LEE , Jungmoon BAE , Joong Jin HAN , Mooho HONG
CPC classification number: C08J11/24 , C08J11/16 , C08L69/00 , C08G64/06 , C07C37/01 , C07C37/82 , C07C37/685 , C08L2207/20
Abstract: The present disclosure relates to a monomer composition for synthesizing recycled plastic which contains a high-purity aromatic diol compound recovered through recycling by chemical decomposition of a polycarbonate-based resin, a method for preparing the same, and a recycled plastic, and molded product using the same.
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公开(公告)号：US20210253851A1
公开(公告)日：2021-08-19
申请号：US17261471
申请日：2019-08-09
Applicant: LG CHEM, LTD.
Inventor： Ki Jae LEE , Young In YANG , Youngwook SON , Mooho HONG , Byoungkue JEON , Young Young HWANG
Abstract: The present disclosure relates to a polycarbonate and a preparation method thereof, which has a novel structure with an improvement in weather resistance and refractive index, while having excellent mechanical properties.
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公开(公告)号：US20180002488A1
公开(公告)日：2018-01-04
申请号：US15546217
申请日：2016-12-27
Applicant: LG CHEM, LTD.
Inventor： Jung Jun PARK , Young Young HWANG , Ki Jae LEE , Moo Ho HONG , Hyong Min BAHN
IPC: C08G77/18 , C08G77/448 , C08G64/18
Abstract: The present invention relates to a novel polyorganosiloxane capable of producing a copolycarbonate having improved hardness and to a copolycarbonate prepared by using the same. The novel polyorganosiloxane according to the present invention can be used as a monomer of a copolycarbonate, and it can exhibit improved hardness and chemical resistance simultaneously while maintaining the intrinsic properties of copolycarbonate due to the alkylene or isosorbide-derived structure included in the formula thereof.
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公开(公告)号：US20170298177A1
公开(公告)日：2017-10-19
申请号：US15514018
申请日：2016-08-17
Applicant: LG CHEM, LTD.
Inventor： Ki Jae LEE , Young Wook SON , Moo Ho HONG , Hyong Minh BAHN , Jung Jun PARK
IPC: C08G64/08 , C08G64/24 , C07C323/52
CPC classification number: C08G64/081 , C07C323/52 , C08G64/04 , C08G64/18 , C08G64/24 , C08G64/30
Abstract: Provided are a copolycarbonate having superior weather resistance as well as excellent mechanical properties, and a preparation method thereof.
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公开(公告)号：US20160376405A1
公开(公告)日：2016-12-29
申请号：US15023967
申请日：2015-11-16
Applicant: LG CHEM, LTD.
Inventor： Jung Jun PARK , Hyong Min BAHN , Young Young HWANG , Moo Ho HONG , Ki Jae LEE , Min Jeong KIM , Byoung Kyu CHUN , Un KO , Young Wook SON
CPC classification number: C08L69/00 , C08G64/06 , C08G64/085 , C08G64/1666 , C08G64/1691 , C08G64/18 , C08G64/186 , C08G64/22 , C08G64/24 , C08G64/307 , C08G64/38 , C08G77/14 , C08G77/20 , C08G77/448 , C08J5/00 , C08J5/08 , C08K5/005 , C08K5/3475 , C08K5/42 , C08K5/521 , C08L51/04 , C08L69/005 , C08L83/04 , C08L83/06 , C08L83/10 , C08L2201/08 , C08L2201/10 , C08L2205/02 , C08L2205/025 , C08L2205/03 , C08L2205/035 , C08L2205/05 , C08L2205/06 , C08L2207/53 , C09K21/14 , C08L83/00
Abstract: The present invention relates to copolycarbonates and a composition comprising the same. The copolycarbonate according to the present invention has a structure in which a specific siloxane compound is introduced in a main chain of the polycarbonate and thus, has characteristics of providing improved impact strength at low-temperature and improved YI (yellow index) simultaneously.
Abstract translation: 本发明涉及共聚碳酸酯及其组合物。 根据本发明的共聚碳酸酯具有将特定硅氧烷化合物引入聚碳酸酯的主链中的结构，因此具有在低温下提供改善的冲击强度并且同时改善YI（黄色指数）的特性。
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