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公开(公告)号：US20210371584A1
公开(公告)日：2021-12-02
申请号：US17266835
申请日：2019-11-06
Applicant: LG CHEM, LTD.
Inventor： Hyong Min BAHN , Un KO , Jungmoon BAE , Daehyeon HWANG , Mooho HONG , Sugil YUM
Abstract: Provided is a polycarbonate resin composition and a molded product comprising same. The polycarbonate resin composition comprises a linear polycarbonate resin, a branched polycarbonate resin, a fluorinated sulfonate-based metal salt, a phenyl methyl silicone oil, and a phenyl methyl silicone resin. The linear polycarbonate resin and branched polycarbonate resin include a repeating unit of the following Chemical Formula 1: wherein in Chemical Formula 1: R1 to R4 are each independently hydrogen, C1-10 alkyl, C1-10 alkoxy, or halogen; and Z is C1-10 alkylene unsubstituted or substituted with phenyl, C3-15 cycloalkylene unsubstituted or substituted with C1-10 alkyl, O, S, SO, SO2, or CO.
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公开(公告)号：US20200148818A1
公开(公告)日：2020-05-14
申请号：US16632847
申请日：2019-01-31
Applicant: LG CHEM, LTD.
Inventor： Byoungkue JEON , Youngwook SON , Daehyeon HWANG , Mooho HONG
IPC: C08G64/14
Abstract: Provided is a copolycarbonate comprising a first repeating unit of Chemical Formula 1, a second repeating unit of Chemical Formula 2, and a terminal capping group of Chemical Formula 3: Also provided are a method of preparing the copolycarbonate and a molded article including the copolycarbonate.
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Patent Agency Ranking
公开(公告)号：US20210269590A1
公开(公告)日：2021-09-02
申请号：US17276678
申请日：2020-07-29
Applicant: LG CHEM, LTD.
Inventor： Young Young HWANG , Youngwook SON , Daehyeon HWANG , Mooho HONG
Abstract: Provided are a copolycarbonate- and a polycarbonate composition comprising the same. The copolycarbonate comprises repeat units of the following Chemical Formula 1 and repeat units of the following Chemical Formula 2:
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公开(公告)号：US20200239691A1
公开(公告)日：2020-07-30
申请号：US16756090
申请日：2019-04-18
Applicant: LG CHEM, LTD.
Inventor： Byoungkue JEON , Youngwook SON , Daehyeon HWANG , Mooho HONG
Abstract: Provided are a polycarbonate resin composition comprising a polycarbonate resin, pentaerythritol tetrastearate, a black dye, and a blue dye, and an optical molded product comprising same.
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公开(公告)号：US20220251056A1
公开(公告)日：2022-08-11
申请号：US17611057
申请日：2020-09-03
Applicant: LG CHEM, LTD.
Inventor： Dayoung LEE , Ki Jae LEE , Mooho HONG , Young Young HWANG , Youngwook SON , Daehyeon HWANG
IPC: C07D307/68 , C07D333/38 , C08G64/24 , C08G64/08 , C08G63/64 , C08G64/30
Abstract: Provided are a diol compound which may be used to prepare a polycarbonate having excellent weather resistance, hardness, heat resistance, transparency, impact resistance, etc. while having excellent mechanical properties, a polycarbonate prepared by using the same, and a preparation method thereof.
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公开(公告)号：US20210292550A1
公开(公告)日：2021-09-23
申请号：US17262112
申请日：2019-08-19
Applicant: LG CHEM, LTD.
Inventor： Byoungkue JEON , Young In YANG , Daehyeon HWANG , Mooho HONG , Ki Jae LEE , Youngwook SON
Abstract: The present disclosure relates to a polycarbonate resin composition exhibiting excellent heat stability and optical properties, and an optical molded article comprising the same. The polycarbonate resin composition includes polycarbonate resin; and [[4-(dimethylamino)phenyl]methylene] propanedioic acid dimethyl ester as a hindered amine UV absorber that selectively absorbs UVA having a wavelength of 420 nm or less.
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公开(公告)号：US20200165413A1
公开(公告)日：2020-05-28
申请号：US16630790
申请日：2018-09-27
Applicant: LG CHEM, LTD.
Inventor： Daehyeon HWANG , Young Wook SON , Byoungkue JEON , Moo Ho HONG
IPC: C08K5/3492 , C08K5/3475 , C08K5/132
Abstract: Provided are a polycarbonate resin composition comprising a polycarbonate resin, a black colorant, a yellow colorant, and at least one ultraviolet absorber selected from the group consisting of a benzotriazole-based compound, a benzophenone-based compound, and a triazine-based compound, and an optical molded article composed thereof.
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