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1.发明公开公开(公告)号：US20240254326A1
公开(公告)日：2024-08-01
申请号：US18016605
申请日：2022-08-01
Applicant: LG CHEM, LTD.
Inventor： Jangwon PARK , Bong Keun AHN , Min Jung KIM , Jiyoon JEON , Eunji LEE , Seyong KIM
IPC: C08L33/12 , B29B7/82 , B29C48/00 , B29K21/00 , C08F220/14 , C08F285/00 , C08L51/04
CPC classification number: C08L33/12 , B29B7/82 , B29C48/022 , C08F220/14 , C08F285/00 , C08L51/04 , B29C2948/92209 , B29K2021/003 , C08L2205/02
Abstract: A thermoplastic resin composition including an alkyl (meth)acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) including a polymer seed including 70 to 85% by weight of an alkyl (meth)acrylate and 15 to 30% 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 (meth)acrylate; and a non-graft copolymer (B) including an alkyl (meth)acrylate, an aromatic vinyl compound, and a vinyl cyanide compound. The present disclosure also relates to a preparation method and a molded article.
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2.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：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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Patent Agency Ranking
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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5.发明公开公开(公告)号：US20240301192A1
公开(公告)日：2024-09-12
申请号：US18574502
申请日：2023-05-31
Applicant: LG CHEM, LTD.
Inventor： Eunji LEE , Bong Keun AHN , Min Jung KIM , Jangwon PARK , Jiyoon JEON , Seyong KIM
CPC classification number: C08L25/14 , C08L33/12 , C08L2207/53
Abstract: A thermoplastic resin composition includes an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) including a seed obtained by polymerizing 45 to 72% by weight of an alkyl acrylate and 28 to 55% by weight of an aromatic vinyl compound, a rubber core formed to surround the seed and obtained by polymerizing 78 to 91% by weight of an alkyl acrylate and 9 to 22% by weight of an aromatic vinyl compound, and a graft shell formed to surround the rubber core and obtained by polymerizing 65 to 82% by weight of an aromatic vinyl compound, 12 to 30% 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 aromatic vinyl compound, a vinyl cyanide compound, and an imide-based compound.
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6.发明公开公开(公告)号：US20240279455A1
公开(公告)日：2024-08-22
申请号：US18016282
申请日：2022-08-01
Applicant: LG CHEM, LTD.
Inventor： Eunji LEE , Bong Keun AHN , Min Jung KIM , Jangwon PARK , Jiyoon JEON , Seyong KIM
IPC: C08L33/12 , C08F220/14 , C08F265/04 , C08F285/00 , C08L51/04
CPC classification number: C08L33/12 , C08L51/04 , C08F220/14 , C08F265/04 , C08F285/00 , C08L2205/025 , C08L2205/03
Abstract: A thermoplastic resin composition including an alkyl (meth)acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) including a polymer seed including 70 to 85% by weight of an alkyl (meth)acrylate and 15 to 30% 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 aromatic vinyl compound, a vinyl cyanide compound, and an imide-based compound. The present disclosure also relates to a preparation method and a molded article.
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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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