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11.发明申请POLYCARBONATE HAVING HIGH FLUIDITY AND METHOD OF PREPARING THE SAME (As Amended) 有权具有高流动性的聚碳酸酯及其制备方法（如修改）公开(公告)号：US20150299387A1
公开(公告)日：2015-10-22
申请号：US14443941
申请日：2014-09-30
Applicant: LG CHEM, LTD.
Inventor： Un KO , Hyong Min BAHN , Moo Ho HONG , Byoung Kue CHUN , Young Young HWANG , Min Jeong KIM , Jung Jun PARK , Ki Jae LEE
CPC classification number: C08G64/1608 , C08G64/06 , C08G64/183 , C08G64/24 , C08G64/28
Abstract: Disclosed are polycarbonate having high fluidity through inclusion of an aliphatic polyhydric alcohol-substituted diphenol compound in a polycarbonate backbone and a method of preparing the same. The polycarbonate is polymerized by comprising a diphenol mixture and a carbonate precursor, the diphenol mixture comprising an aliphatic polyhydric alcohol-substituted diphenol compound according to Formula 1 and a bisphenol compound.
Abstract translation: 公开了通过在聚碳酸酯骨架中包含脂族多元醇取代的二酚化合物而具有高流动性的聚碳酸酯及其制备方法。 聚碳酸酯通过包含二酚混合物和碳酸酯前体而聚合，所述二酚混合物包含根据式1的脂族多元醇取代的二酚化合物和双酚化合物。
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公开(公告)号：US20250129003A1
公开(公告)日：2025-04-24
申请号：US18681405
申请日：2023-06-01
Applicant: LG CHEM, LTD.
Inventor： Jeongnam KIM , Jungmoon BAE , Ki Jae LEE , Jeongbin LEE , Jihwan HWANG , Mooho HONG
Abstract: The present disclosure relates to a monomer composition for synthesizing recycled plastic that can realize excellent color quality even though it is recovered through recycling by chemical decomposition of a polycarbonate-based resin, and allows improvement of efficiency in the recovery process, a preparation method thereof, and a recycled plastic and a molded product using the same.
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13.发明公开公开(公告)号：US20230374251A1
公开(公告)日：2023-11-23
申请号：US18032117
申请日：2022-07-14
Applicant: LG CHEM, LTD.
Inventor： Eunju PARK , Ki Jae LEE , Jungmoon BAE , Jeongbin LEE , Mooho HONG
CPC classification number: C08J11/24 , C07C37/52 , 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.
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公开(公告)号：US20210292476A1
公开(公告)日：2021-09-23
申请号：US17260162
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：US20170283547A1
公开(公告)日：2017-10-05
申请号：US15508449
申请日：2016-06-22
Applicant: LG CHEM, LTD.
Inventor： Un KO , Hyoung Min BAHN , Byoung Kyu CHUN , Jung Jun PARK , Ki Jae LEE , Young Wook SON , Moo Ho HONG , Young Young HWANG , Min Jeong KIM
CPC classification number: C08G63/64 , C08G2120/00 , C08J5/00 , C08J2369/00 , C08J2463/00 , C08J2483/04 , C08K5/1515 , C08K5/527 , C08L69/005 , C08L83/04 , C08L2205/03 , C08L2205/06
Abstract: The present disclosure relates to a polycarbonate resin and a method of preparing the same, has an effect of providing a polycarbonate resin having superior chemical resistance and wear resistance due to application of a predetermined comonomer thereto, and a method of preparing the same.
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Patent Agency Ranking
公开(公告)号：US20170158852A1
公开(公告)日：2017-06-08
申请号：US15039341
申请日：2015-12-03
Applicant: LG CHEM, LTD.
Inventor： Un KO , Hyong Min BAHN , Young Young HWANG , Jung Jun PARK , Moo Ho HONG , Ki Jae LEE , Byoung Kyu CHUN , Young Wook SON , Tae Yun KO
IPC: C08L69/00 , C08K5/3475 , C08K5/00
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 copolycarbonate resin composition comprising a copolycarbonate in which a specific siloxane compound is introduced in a main chain of the polycarbonate, and a UV stabilizer. Since the present copolycarbonate resin composition has excellent weather resistance, the article prepared by using this composition exhibits less deteriorated surface quality and physical properties caused by ultraviolet rays or the like when exposed to the outside.
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公开(公告)号：US20160326314A1
公开(公告)日：2016-11-10
申请号：US15029081
申请日：2015-12-04
Applicant: LG CHEM, LTD.
Inventor： Young Wook SON , Hyong Min BAHN , Young Young HWANG , Jung Jun PARK , Moo Ho HONG , Ki Jae LEE , Byoung Kyu CHUN , Un KO
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 copolycarbonate 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 exhibits an excellent transparency and a high spiral flow while having a high impact strength at room temperature and a low melt index.
Abstract translation: 本发明涉及一种共聚碳酸酯及其组合物。 根据本发明的共聚碳酸酯具有特定的硅氧烷化合物引入聚碳酸酯的主链中的结构，因此在室温下具有高的冲击强度和低熔点的表现出优异的透明性和高的螺旋流动性 指数。
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公开(公告)号：US20160297925A1
公开(公告)日：2016-10-13
申请号：US14914153
申请日：2015-09-04
Applicant: LG CHEM, LTD.
Inventor： Hyong Min BAHN , Moo Ho HONG , Jung Jun PARK , Byoung Kyu CHUN , Young Young HWANG , Min Jeong KIM , Un KO , Ki Jae LEE
CPC classification number: C08G64/186 , C08G64/22 , C08G64/307 , C08G77/14 , C08G77/448 , C08L69/00 , C08L83/06 , C08L2205/02 , C08L83/10
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 specific siloxane compounds are introduced in the main chain of polycarbonate and thus exhibits the effects of improving impact strength at room temperature, impact strength at low-temperature, and melt index.
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特定的硅氧烷化合物引入聚碳酸酯的主链中的结构，因此具有改善室温冲击强度，低温冲击强度和熔体指数的效果。
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19.发明公开公开(公告)号：US20230391702A1
公开(公告)日：2023-12-07
申请号：US18032327
申请日：2022-07-14
Applicant: LG CHEM, LTD.
Inventor： Eunju PARK , Ki Jae LEE , Jungmoon BAE , Jeongbin LEE , Joong Jin HAN , Mooho HONG
CPC classification number: C07C39/16 , C07C37/0555 , C07C37/685 , C07C37/80 , C08J11/16 , C08J11/24 , C08L69/00 , C08J2369/00 , C08L2207/20
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.
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20.发明公开公开(公告)号：US20230382837A1
公开(公告)日：2023-11-30
申请号：US18032141
申请日：2022-07-14
Applicant: LG CHEM, LTD.
Inventor： Jungmoon BAE , Eunju PARK , Ki Jae LEE , Jeongbin LEE , Joong Jin HAN , Mooho HONG
CPC classification number: C07C39/16 , C07C37/0555 , C08J11/16 , C08J11/24 , C07C37/685 , C07C37/82 , C08L69/00 , C08J2369/00 , C08L2207/20
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.
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