公开(公告)号：EP4194507A1

公开(公告)日：2023-06-14

申请号：EP22859511.2

申请日：2022-08-25

申请人： LG CHEM, LTD.

发明人： JEON, Jiyoon ,  AHN, Bong Keun ,  KIM, Min Jung ,  PARK, Jangwon ,  LEE, Eunji ,  KIM, Seyong

IPC分类号： C08L51/06 ,  C08L33/06 ,  C08F285/00 ,  C08F265/06 ,  C08F220/18 ,  C08F220/44 ,  C08F212/08

摘要： The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same. More particularly, the present invention relates to a thermoplastic resin composition including an alkyl (meth)acrylate-aromatic vinyl compound-vinyl cyanide compound 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, wherein the thicknesses and refractive indexes of each layer of the graft copolymer (A) are appropriately adjusted, a method of preparing the thermoplastic resin composition, and a molded article manufactured using the thermoplastic resin composition.
According to the present invention, the present inventio has an effect of providing a thermoplastic resin composition having excellent transparency, gloss, heat resistance, weather resistance, and impact resistance, a method of preparing the same, and a molded article

公开(公告)号：EP3907245A1

公开(公告)日：2021-11-10

申请号：EP20898737.0

申请日：2020-11-03

申请人： LG Chem, Ltd.

发明人： KIM, Seyong ,  HWANG, Yong Yeon ,  AHN, Bong Keun ,  KIM, Min Jung ,  PARK, Jang Won ,  JEON, Ji Yoon ,  LEE, Eun Ji

IPC分类号： C08F290/04 ,  C08F220/18 ,  C08F220/44 ,  C08L51/06 ,  C08L51/04 ,  C08L101/00

摘要： The present invention relates to an alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer, a method of preparing the same, and a thermoplastic resin composition including the same. More specifically, the present invention relates to an alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer including a seed prepared by polymerizing one or more compounds selected from the group consisting of an alkyl acrylate compound, an aromatic vinyl compound, and a vinyl cyanide compound and a multifunctional crosslinking agent; a core formed to surround the seed and prepared by polymerizing an alkyl acrylate compound and a multifunctional crosslinking agent; and a graft shell formed to surround the core and prepared by polymerizing an aromatic vinyl compound and a vinyl cyanide compound, wherein the multifunctional crosslinking agent has a weight average molecular weight of 600 to 1,400 g/mol, a method of preparing the alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer, and a thermoplastic resin composition including the alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer.
According to the present invention, an alkyl acrylate compound-vinyl cyanide compound-aromatic vinyl compound graft copolymer having excellent appearance properties, such as gloss and colorability, and mechanical properties, a method of preparing the same, and a thermoplastic resin composition including the same may be provided.

公开(公告)号：EP4339244A1

公开(公告)日：2024-03-20

申请号：EP23818215.8

申请日：2023-05-31

申请人： LG Chem, Ltd.

发明人： JEON, Jiyoon ,  AHN, Bong Keun ,  KIM, Min Jung ,  PARK, Jangwon ,  LEE, Eunji ,  KIM, Seyong

IPC分类号： C08L51/04 ,  C08L25/12 ,  C08F285/00 ,  C08F265/06 ,  C08F212/12

摘要： The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same. More particularly, the present invention relates to a thermoplastic resin composition including an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) including a seed obtained by polymerizing 35 to 58 % by weight of an alkyl acrylate and 42 to 65 % 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 alkyl-substituted styrene-based compound, and a vinyl cyanide compound, wherein the average particle diameter and refractive index of each layer of the graft copolymer (A) are properly adjusted, a method of preparing the thermoplastic resin composition, and a molded article manufactured using the thermoplastic resin composition.
According to the present invention, the present invention has an effect of providing a thermoplastic resin composition having excellent transparency, gloss, blackness, weather resistance, heat resistance, and impact resistance, a method of preparing the same, and a molded article manufactured using the same.

公开(公告)号：EP4378999A1

公开(公告)日：2024-06-05

申请号：EP23843972.3

申请日：2023-07-24

申请人： LG Chem, Ltd.

发明人： KIM, Min Jung ,  HWANG, Yong Yeon ,  AHN, Bong Keun ,  PARK, Jangwon ,  JEON, Jiyoon ,  LEE, Eunji ,  KIM, Seyong ,  YEOM, Gyeongdong

IPC分类号： C08L51/04 ,  C08L25/06 ,  C08L25/12

摘要： The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article including the same, and more particularly, to a thermoplastic resin composition having eco-friendliness and excellent molding processability, mechanical rigidity, heat resistance, and colorability by including a predetermined ASA-based graft copolymer and a recycled resin, a method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition.

公开(公告)号：EP4332163A1

公开(公告)日：2024-03-06

申请号：EP23808649.0

申请日：2023-05-31

申请人： LG Chem, Ltd.

发明人： PARK, Jangwon ,  AHN, Bong Keun ,  KIM, Min Jung ,  JEON, Jiyoon ,  LEE, Eunji ,  KIM, Seyong

IPC分类号： C08L51/06 ,  C08L33/06 ,  C08F285/00 ,  C08F265/06 ,  C08F220/18 ,  C08F220/44 ,  C08F212/08

摘要： The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same. More particularly, the present invention relates to a thermoplastic resin composition including 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, and a vinyl cyanide compound, wherein the average particle diameter and refractive index of each layer of the graft copolymer (A) are properly adjusted, a method of preparing the thermoplastic resin composition, and a molded article manufactured using the thermoplastic resin composition.
According to the present invention, the present invention has an effect of providing a thermoplastic resin composition having excellent transparency, gloss, weather resistance, and impact resistance, a method of preparing the same, and a molded article manufactured using the same.

公开(公告)号：EP4019587A1

公开(公告)日：2022-06-29

申请号：EP21847089.6

申请日：2021-07-19

申请人： LG Chem, Ltd.

发明人： KIM, Min Jung ,  HWANG, Yong Yeon ,  AHN, Bong Keun ,  PARK, Jangwon ,  JEON, Jiyoon ,  LEE, Eunji ,  KIM, Seyong

IPC分类号： C08L51/00 ,  C08L33/10 ,  C08L25/12 ,  C08L33/06

摘要： The present invention relates to a thermoplastic resin having excellent impact strength, gloss, fluidity, and non-whitening properties and a method of preparing the same. More particularly, the present invention relates to a 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
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.

公开(公告)号：EP4339243A1

公开(公告)日：2024-03-20

申请号：EP23817934.5

申请日：2023-05-31

申请人： LG Chem, Ltd.

发明人： LEE, Eunji ,  AHN, Bong Keun ,  KIM, Min Jung ,  PARK, Jangwon ,  JEON, Jiyoon ,  KIM, Seyong

IPC分类号： C08L51/04 ,  C08L25/12 ,  C08F285/00 ,  C08F265/06 ,  C08F212/12

摘要： The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same, More particularly, the present invention relates to a thermoplastic resin composition including 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, wherein the average particle diameter and refractive index of each layer of the graft copolymer (A) are properly adjusted, a method of preparing the thermoplastic resin composition, and a molded article manufactured using the thermoplastic resin composition.
According to the present invention, the present invention has an effect of providing a thermoplastic resin composition having excellent transparency, gloss, heat resistance, weather resistance, and impact resistance, a method of preparing the same, and a molded article manufactured using the same.

公开(公告)号：EP4194506A1

公开(公告)日：2023-06-14

申请号：EP22834832.2

申请日：2022-08-01

申请人： LG CHEM, LTD.

发明人： PARK, Jangwon ,  AHN, Bong Keun ,  KIM, Min Jung ,  JEON, Jiyoon ,  LEE, Eunji ,  KIM, Seyong

IPC分类号： C08L51/06 ,  C08L33/06 ,  C08F285/00 ,  C08F265/06 ,  C08F220/18 ,  C08F220/44 ,  C08F212/08

摘要： The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same. More particularly, the present invention relates to 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, wherein the average particle diameter and refractive index of each layer of the graft copolymer (A) are appropriately adjusted, a method of preparing the thermoplastic resin composition, and a molded article manufactured using the thermoplastic resin composition.
According to the present invention, the present invention has an effect of providing a thermoplastic resin composition having excellent transparency, gloss, weather resistance, and impact resistance, a method of preparing the same, and a molded article manufactured using the same.

公开(公告)号：EP4194505A1

公开(公告)日：2023-06-14

申请号：EP22834829.8

申请日：2022-08-01

申请人： LG CHEM, LTD.

发明人： LEE, Eunji ,  AHN, Bong Keun ,  KIM, Min Jung ,  PARK, Jangwon ,  JEON, Jiyoon ,  KIM, Seyong

IPC分类号： C08L51/06 ,  C08L33/06 ,  C08F285/00 ,  C08F265/06 ,  C08F220/18 ,  C08F220/44 ,  C08F212/08 ,  C08F222/40

摘要： The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same. More particularly, the present invention relates to 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, wherein the thickness and refractive index of each layer of the graft copolymer (A) are appropriately adjusted, a method of preparing the thermoplastic resin composition, and a molded article manufactured using thermoplastic resin composition.
According to the present invention, the present invention has an effect of providing a thermoplastic resin composition having excellent transparency, gloss, heat resistance, weather resistance, and impact resistance, a method of preparing the same, and a molded article manufactured using the same.

公开(公告)号：EP3875537A1

公开(公告)日：2021-09-08

申请号：EP20856370.0

申请日：2020-08-10

申请人： LG Chem, Ltd.

发明人： KIM, Min Jung ,  HWANG, Yong Yeon ,  AHN, Bong Keun ,  PARK, Jang Won ,  KIM, Seyong ,  JEON, Jiyoon

IPC分类号： C08L51/04 ,  C08L33/10 ,  C08L33/08 ,  C08F279/02

摘要： 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.
According to the present invention, a thermoplastic resin composition including a (meth)acrylate graft copolymer, characterized in that the thermoplastic resin composition has excellent impact strength and weather resistance and, in particular, has an advantage in expressing a deep black color due to excellent colorability, and a method of preparing the thermoplastic resin composition may be provided.