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公开(公告)号：US20220356340A1
公开(公告)日：2022-11-10
申请号：US17640624
申请日：2020-12-10
Applicant: LG CHEM, LTD.
Inventor： Jangwon PARK , Yong Yeon HWANG , Bong Keun AHN , Min Jung KIM , Jiyoon JEON , Eunji LEE , Seyong KIM
IPC: C08L51/00 , C08F265/06
Abstract: Disclosed is a thermoplastic resin including an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A), or an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) and a matrix resin (B) including one or more selected from the group consisting of an aromatic vinyl compound, a vinyl cyanide compound, an alkyl methacrylate, and an alkyl acrylate, wherein the total content of the alkyl acrylate is 20 to 50% by weight, and an alkyl acrylate coverage value (X) as calculated by Equation 1 below is 65 or more: X={(G−Y)/Y}×100, [Equation 1] wherein G represents the total gel content (%) of the thermoplastic resin, and Y represents the content (% by weight) of the alkyl acrylate in the gel of the thermoplastic resin.
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公开(公告)号：US20220348761A1
公开(公告)日：2022-11-03
申请号：US17766162
申请日：2021-07-19
Applicant: LG CHEM, LTD.
Inventor： Eunji LEE , Yong Yeon HWANG , Bong Keun AHN , Min Jung KIM , Jangwon PARK , Jiyoon JEON , Seyong KIM
IPC: C08L51/04 , C08F265/06
Abstract: The present disclosure relates to a thermoplastic resin having excellent non-whitening properties, impact strength, gloss, and fluidity, and a method of preparing the thermoplastic resin. The thermoplastic resin includes an alkyl acrylate-alkyl methacrylate graft copolymer (A), or the copolymer (A) and a matrix resin (B) including an alkyl methacrylate polymer and/or an alkyl methacrylate-alkyl acrylate copolymer. A transparency of the thermoplastic resin having a thickness of 0.15 mm is less than 2, a total content of the alkyl acrylate in the thermoplastic resin is 20 to 50% by weight, and a butyl acrylate coverage value (X) as calculated by Equation 1 below is 50 or more: X={(G−Y)/Y}×100, [Equation 1] wherein G represents a total gel content (%) of the thermoplastic resin, and Y represents a content (% by weight) of butyl acrylate in the gel of the thermoplastic resin.
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3.发明申请公开(公告)号：US20190382574A1
公开(公告)日：2019-12-19
申请号：US16302038
申请日：2017-11-01
Applicant: LG CHEM, LTD.
Inventor： Yong Hee AN , Yong Yeon HWANG , Hyun Taek OH , Bong Keun AHN , Min Jung KIM , Chun Ho PARK , Eun Soo KANG , Jang Won PARK
Abstract: A thermoplastic resin composition with low gloss and improved colorability, pencil hardness and wear resistance has (A) 5 to 35% by weight of a first graft copolymer having an average particle diameter of 50 to 150 nm and containing acrylate rubber as a core; (B) 10 to 40% by weight of a second graft copolymer having an average particle diameter of more than 150 nm and 800 nm or less and containing acrylate rubber as a core; (C) 5 to 15% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer having a weight average molecular weight of 70,000 to 130,000 g/mol; (D) 20 to 50% by weight of an aromatic vinyl compound-(meth)acrylate compound copolymer having a weight average molecular weight of 65,000 to 100,000 g/mol; and (E) 0.1 to 7% by weight of a syndiotactic polystyrene resin.
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公开(公告)号：US20180265687A1
公开(公告)日：2018-09-20
申请号：US15533362
申请日：2016-11-10
Applicant: LG CHEM, LTD.
Inventor： Chun Ho PARK , Yong Yeon HWANG , Hyun Taek OH , Min Jung KIM , Sang Mi LEE , Yeong Min LEE , Eun Soo KANG
CPC classification number: C08L25/12 , C08F265/04 , C08F279/04 , C08L25/16 , C08L51/04 , C08L51/06 , C08L2201/02 , C08L2201/08 , C08L2203/20 , C08L2205/02 , C08L2205/025 , C08L2205/035 , C08L2207/04 , C08F212/10 , C08L55/02 , C08L35/06
Abstract: The present disclosure relates to a thermoplastic resin composition providing superior low-gloss characteristic, weather resistance, and mechanical properties and an extruded article manufactured from the same. More particularly, the present invention relates to a thermoplastic resin composition including 40 to 70% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer as a matrix resin; 20 to 40% by weight of an acrylic graft copolymer (a) in which 46 to 95% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer is grafted to 5 to 54% by weight of a (meth)acrylate-based rubbery polymer having an average particle diameter of 0.05 to 1 μm; 1 to 10% by weight of an acrylic graft copolymer (b) in which 5 to 45% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer is grafted to 55 to 95 % by weight of a (meth)acrylate-based rubbery polymer having an average particle diameter of 0.05 to 1 μm; and 1 to 20% by weight of a large-diameter diene-based graft copolymer (c) in which 80 to 95% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer is grafted to 5 to 20% by weight of a diene-based rubbery polymer having an average particle diameter of 1 to 20 μm, and thus, providing superior low-gloss characteristic, weather resistance, and mechanical properties, and an extruded article manufactured from the same.
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5.发明申请公开(公告)号：US20170369692A1
公开(公告)日：2017-12-28
申请号：US15533357
申请日：2016-11-04
Applicant: LG CHEM, LTD.
Inventor： Chun Ho PARK , Yong Yeon HWANG , Hyun Taek OH , Min Jung KIM , Sang Mi LEE , Yeong Min LEE , Eun Soo KANG
CPC classification number: C08L25/12 , C08J5/00 , C08L51/04 , C08L51/06 , C08L2201/02 , C08L2201/04 , C08L2205/025 , C08L2205/03 , C08L55/02
Abstract: The present disclosure relates to a thermoplastic resin composition and a molded article manufactured from the same. More particularly, the present disclosure relates to a thermoplastic resin composition including 10 to 59% by weight of an acrylic graft copolymer resin (a) having a graft efficiency of 50 to 95%; 1 to 20% by weight of an acrylic graft copolymer resin (b) having a graft efficiency of 5 to 49%; and 21 to 89% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer resin (c), wherein a weight ratio of (a):(b) is 1:1 to 10:1, and a molded article manufactured from the same. In accordance with the present disclosure, a thermoplastic resin composition that exhibits glossy effect by injection molding and matte effect by extrusion molding while providing superior mechanical strength and thus is applicable to both glossy products and matte products, and a molded article manufactured from the same are provided.
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Patent Agency Ranking
6.发明公开公开(公告)号：US20240309198A1
公开(公告)日：2024-09-19
申请号：US18026113
申请日：2022-08-25
Applicant: LG CHEM, LTD.
Inventor： Jiyoon JEON , Bong Keun AHN , Min Jung KIM , Jangwon PARK , Eunji LEE , Seyong KIM
CPC classification number: C08L51/003 , C08L33/062 , B29B7/007 , B29B7/38 , B29K2025/00 , B29K2105/0085 , B29K2995/0016 , B29K2995/0022 , B29K2995/0029 , B29K2995/0031 , B29K2995/0087 , B29K2995/0089 , B29K2995/0094 , C08L2203/30 , C08L2205/025 , C08L2205/03 , C08L2207/53
Abstract: The present disclosure relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same. The thermoplastic resin composition includes graft copolymer (A) including a polymer seed including 51 to 77 % by weight of an alkyl (meth)acrylate and 23 to 49% by weight of an aromatic vinyl compound, a rubber core surrounding the polymer seed and including 78 to 90% by weight of an alkyl acrylate and 10 to 22% by weight of an aromatic vinyl compound, and a graft shell surrounding the rubber core and including 65 to 80% by weight of an aromatic vinyl compound, 14 to 25% by weight of a vinyl cyanide compound, and 3 to 15% by weight of an alkyl acrylate; and a non-graft copolymer (B) including an alkyl (meth)acrylate, an alkyl-substituted styrene-based compound, and a vinyl cyanide compound.
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公开(公告)号：US20210246236A1
公开(公告)日：2021-08-12
申请号：US17051757
申请日：2019-10-10
Applicant: LG CHEM, LTD.
Inventor： Min Jung KIM , Yong Yeon HWANG , Bong Keun AHN , Wang Rae JOE , Jang Won PARK , Ji Yoon JEON
Abstract: The present invention relates to a method of preparing a graft copolymer powder, which includes: preparing a seed by adding one or more selected from the group consisting of an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer and a vinyl cyan-based monomer to a reactor and carrying out polymerization; preparing a core in the presence of the seed by adding an alkyl (meth)acrylate-based monomer and carrying out polymerization; and preparing a graft copolymer latex in the presence of the core by adding an aromatic vinyl-based monomer and a vinyl cyan-based monomer and carrying out polymerization; adding an alkyl methacrylate-based polymer to the graft copolymer latex and carrying out coagulation, and more particularly, to a method of preparing a graft copolymer powder that is excellent in weather resistance, fluidity, mechanical properties, surface gloss and appearance quality.
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公开(公告)号：US20220403153A1
公开(公告)日：2022-12-22
申请号：US17764447
申请日：2021-07-19
Applicant: LG CHEM, LTD.
Inventor： Min Jung KIM , Yong Yeon HWANG , Bong Keun AHN , Jangwon PARK , Jiyoon JEON , Eunji LEE , Seyong KIM
IPC: C08L51/04 , C08F265/06
Abstract: The present disclosure relates to a thermoplastic resin having excellent impact strength, gloss, fluidity, and non-whitening properties and a method of preparing the same. The thermoplastic resin including an alkyl acrylate-alkyl methacrylate graft copolymer (A), or an alkyl acrylate-alkyl methacrylate graft copolymer (A) and a matrix resin (B) including one or more selected from the group consisting of an aromatic vinyl compound, a vinyl cyanide compound, an alkyl methacrylate, and an alkyl acrylate, wherein a total content of the alkyl acrylate is 20 to 50% by weight, and a butyl acrylate coverage value (X) as calculated by Equation 1 below is 50 or more. X={(G−Y)/Y}×100 [Equation 1] In Equation 1, G represents the total gel content (%) of the thermoplastic resin, and Y represents the content (% by weight) of butyl acrylate in the gel of the thermoplastic resin.
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公开(公告)号：US20220372269A1
公开(公告)日：2022-11-24
申请号：US17765888
申请日：2021-07-19
Applicant: LG CHEM, LTD.
Inventor： Jiyoon JEON , Yong Yeon HWANG , Bong Keun AHN , Min Jung KIM , Jangwon PARK , Eunji LEE , Seyong KIM
Abstract: The present disclosure relates to a thermoplastic resin having excellent non-whitening properties, impact strength, gloss, and fluidity, and a method of preparing the thermoplastic resin. The thermoplastic resin includes an alkyl acrylate-alkyl methacrylate graft copolymer (A), or the copolymer (A) and a matrix resin (B) including one or more selected from the group consisting of an aromatic vinyl compound-vinyl cyanide compound-alkyl methacrylate copolymer and an alkyl methacrylate polymer. A transparency measured under a condition of 3 mm thickness is less than 5, the total content of the alkyl acrylate is 20 to 50% by weight, and an alkyl acrylate coverage value (X) as calculated by Equation 1 below is 65 or more: X={(G−Y)/Y}×100, [Equation 1] wherein G represents the total gel content (%) of the thermoplastic resin, and Y represents the content of alkyl acrylate in the gel contained in the thermoplastic resin.
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公开(公告)号：US20220056183A1
公开(公告)日：2022-02-24
申请号：US17299703
申请日：2020-08-10
Applicant: LG CHEM, LTD.
Inventor： Min Jung KIM , Yong Yeon HWANG , Bong Keun AHN , Jang Won PARK , Seyong KIM , Jiyoon JEON
IPC: C08F265/06 , C08F220/18 , C08F220/40 , C08F222/10 , C08F220/14 , C08F212/08 , C08F220/44 , C08L51/00 , B29C48/00
Abstract: The present invention relates to a thermoplastic resin composition including a (meth)acrylate graft copolymer and a method of preparing the thermoplastic resin composition. According to the present invention, the thermoplastic resin composition includes a graft copolymer (A) containing an alkyl acrylate rubber core and an alkyl methacrylate compound (co)polymer shell surrounding the alkyl acrylate rubber core; and a matrix resin (B). In this case, the rubber core has an average particle diameter of 40 to 100 nm, the graft copolymer (A) has a grafting degree of 20 to 100%, and the thermoplastic resin composition has a refractive index of greater than 1.46 and less than 1.49 and a blackness (L value) of less than 25.0.
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