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公开(公告)号：US10995214B2
公开(公告)日：2021-05-04
申请号：US16305368
申请日：2017-10-18
Applicant: LG CHEM, LTD.
Inventor： Byoungkue Chun , Un Ko , Young Wook Son , Moo Ho Hong , Hyong Min Bahn , Tae Yun Ko
Abstract: The present invention relates to a polycarbonate resin composition and an optical molded article comprising the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color stability and thus can ensure high transparency, and further can enhance the stability of a polycarbonate resin.
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公开(公告)号：US10907040B2
公开(公告)日：2021-02-02
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：US10494478B2
公开(公告)日：2019-12-03
申请号：US15765686
申请日：2017-06-29
Applicant: LG CHEM, LTD.
Inventor： Un Ko , Byoungkue Chun , Moo Ho Hong , Young Wook Son , Tae Yun Ko
IPC: C08G64/24 , C08G64/40 , C08K5/526 , C08K5/134 , C08K5/13 , C08K5/5313 , C08K5/1515
Abstract: The present invention provides a method for preparing a polycarbonate by removing a solvent from a polycarbonate polymerization solution without impairing the physical properties of the polycarbonate.
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公开(公告)号：US10174194B2
公开(公告)日：2019-01-08
申请号：US15319257
申请日：2015-12-02
Applicant: LG CHEM, LTD.
Inventor： Byoung Kyu Chun , Hyong Min Bahn , Young Young Hwang , Jung Jun Park , Moo Ho Hong , Ki Jae Lee , Un Ko , Young Wook Son
IPC: C08G64/18 , C08L69/00 , C08G64/38 , C08G77/448 , C08J5/00 , C08G64/16 , C08G64/06 , C08G64/30 , C08G64/08 , C08K5/3475 , C08L83/04 , C08G64/24 , C08L83/10 , C08K5/00 , C08G64/22 , C08G77/14 , C08L83/06 , C08J5/08 , C08K5/521 , C08L51/04 , C08K5/42 , C09K21/14 , C08G77/20
Abstract: Disclosed is a copolycarbonate having an aromatic polycarbonate-based first repeating unit and one or more aromatic polycarbonate-based second repeating units having siloxane bonds, where the copolycarbonate provides an improved residence heat stability, and where the second repeating unit includes a repeating unit represented by Chemical Formula 2 and a repeating unit represented by Chemical Formula 3:
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公开(公告)号：US09328197B2
公开(公告)日：2016-05-03
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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Patent Agency Ranking
公开(公告)号：US09840585B2
公开(公告)日：2017-12-12
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
IPC: C08L69/00 , C08G64/08 , C08G64/18 , C08G64/38 , C08G77/448 , C08J5/00 , C08G64/16 , C08G64/06 , C08G64/30 , C08K5/3475 , C08L83/04 , C08G64/24 , C08L83/10
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: Disclosed is a polycarbonate resin composition including 1) a copolycarbonate having a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, and a repeating unit represented by Chemical Formula 3, and 2) a polycarbonate: copolycarbonate in the composition provides improved melting properties while maintaining the physical properties of the copolycarbonate to the maximum.
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公开(公告)号：US09777112B2
公开(公告)日：2017-10-03
申请号：US15028833
申请日：2015-12-03
Applicant: LG CHEM, LTD.
Inventor： Jung Jun Park , Young Young Hwang , Moo Ho Hong , Hyong Min Bahn , Hee Yong Park
IPC: C08L69/00 , C08G64/18 , C08G64/08 , C08G64/38 , C08G77/448 , C08J5/00 , C08G64/16 , C08G64/06 , C08G64/30 , C08K5/3475 , C08L83/04 , C08G64/24 , C08L83/10
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: Disclosed is a copolycarbonate composition including: a copolycarbonate having an aromatic polycarbonate-based first repeating unit and one or more aromatic polycarbonate-based second repeating units having siloxane bonds; and a polycarbonate, where the copolycarbonate composition has an impact strength at room temperature of 830 to 1000 J/m as measured at 23 ° C. in accordance with ASTM D256 (⅛ inch, Notched Izod), where the one or more aromatic polycarbonate-based second repeating units having siloxane bonds include a repeating unit represented by Chemical Formula 2 and a repeating unit represented by Chemical Formula 3: and where the copolycarbonate composition satisfies the following Equation 1: 1.0682×X+0.51
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公开(公告)号：US09745417B2
公开(公告)日：2017-08-29
申请号：US15024309
申请日：2015-11-16
Applicant: LG CHEM, LTD.
Inventor： Young Young Hwang , Hyong Min Bahn , Jung Jun Park , Moo Ho Hong , Ki Jae Lee , Young Wook Son , Byoung Kyu Chun , Un Ko
IPC: C08L69/00 , C08G64/18 , C08G77/448 , C08G64/08 , C08G64/38 , C08J5/00 , C08G64/16 , C08G64/06 , C08G64/30 , C08K5/3475 , C08L83/04 , C08G64/24 , C08L83/10
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: Disclosed is a polycarbonate composition including a polycarbonate; and a copolycarbonate, where the copolycarbonate includes an aromatic polycarbonate-based first repeating unit; and aromatic polycarbonate-based second repeating units having siloxane bonds, which include a repeating unit represented by Chemical Formula 2 and a repeating unit represented by Chemical Formula 3, where the copolycarbonate has an impact strength at room temperature of 840 to 1000 J/m as measured at 23° C. in accordance with ASTM D256 (⅛ inch, Notched Izod), and the copolycarbonate satisfies Equation 1: TS/TS0≧0.80. [Equation 1] The copolycarbonate in the composition provides an improved chemical resistance and impact strength simultaneously.
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9.发明授权公开(公告)号：US09550858B2
公开(公告)日：2017-01-24
申请号：US14412175
申请日：2014-07-01
Applicant: LG CHEM, LTD.
Inventor： Jung Jun Park , Min Jeong Kim , Hyong Min Bahn , Moo Ho Hong , Young Young Hwang
CPC classification number: C08G64/14 , C07C69/84 , C07C69/94 , C08G64/1608 , C08G64/40 , C08G2120/00
Abstract: Disclosed are a hydroxy-capping monomer, its polycarbonate and an article including the same. Disclosed is a capping monomer capable of greatly improving mechanical properties and weather resistance when applied to polycarbonate, and polycarbonate containing the same, being prepared at high economic efficiency and having superior mechanical properties and excellent weather resistance.
Abstract translation: 公开了羟基封端单体，其聚碳酸酯和包含其的制品。 公开了一种当应用于聚碳酸酯时，能够大大提高机械性能和耐候性的封端单体，以及含有该聚合物的聚碳酸酯，其经济性高，机械性能优良，耐候性优异。
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10.发明授权公开(公告)号：US09452969B2
公开(公告)日：2016-09-27
申请号：US14823756
申请日：2015-08-11
Applicant: LG CHEM, LTD.
Inventor： Hyong Min Bahn , Moo Ho Hong , Young Young Hwang , Min Jeong Kim , Jung Jun Park
IPC: C07C67/08 , C07C65/19 , C08G77/04 , C08G77/38 , C08G77/448 , C08G64/18 , C08G77/18 , C08L69/00 , C08G64/30 , C08G77/14 , C08L83/06 , C08L83/04 , C08G77/12 , C08G77/16 , C08G77/00
CPC classification number: C07C65/19 , C07C67/08 , C08G64/186 , C08G64/307 , C08G77/04 , C08G77/12 , C08G77/14 , C08G77/16 , C08G77/18 , C08G77/38 , C08G77/448 , C08G77/80 , C08K5/13 , C08K5/56 , C08L69/00 , C08L83/04 , C08L83/06 , C08L2201/10
Abstract: A polyorganosiloxane compound, a method of preparing the same, and a copolycarbonate resin comprising the same are disclosed. Particularly, a copolycarbonate resin, which may be applied to a variety of applications, and in particular, comprises a polyorganosiloxane compound used as an impact modifier, a modifier, or a comonomer of a copolycarbonate resin and has improved mechanical properties such as low-temperature impact strength, is disclosed.
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