公开(公告)号：US20240400784A1

公开(公告)日：2024-12-05

申请号：US18687499

申请日：2022-09-02

Applicant: LG Chem, Ltd.

Inventor： Seungha Kim ,  Eunbyeol Ko ,  Kyoung Hoon Kim ,  Hyung Sop Kim ,  Gahyeon Lee ,  Seung Yong Lee ,  Yoonsun Jang ,  Kyeong Hwan Han

IPC: C08J11/08

Abstract: A method for screening a solvent for extracting polyvinyl chloride (PVC) from waste using the following Equation 1: PVC ⁢ swelling ⁢ score = x 1 ⁢ Dipole + x 2 ⁢ Asphericity + x 3 ⁢ dH + x 4 ⁢ Polar ⁢ Surface ⁢ Area where x1, x2, x3, and x4 are each a real number from 0 to 5, Dipole is a dipole moment of solvent molecules, Asphericity is an asphericity of the solvent molecules, dH is a Hansen solubility parameter for a hydrogen bonding of the solvent molecules, and Polar Surface Area is a fractional polar surface area. A method for recycling waste is also provided. Additionally, a recycled polyvinyl chloride and a recycled composition are provided.

公开(公告)号：US20240376285A1

公开(公告)日：2024-11-14

申请号：US18688146

申请日：2022-09-02

Applicant: LG Chem, Ltd.

Inventor： Seungha Kim ,  Eunbyeol Ko ,  Kyoung Hoon Kim ,  Hyung Sop Kim ,  Gahyeon Lee ,  Seung Yong Lee ,  Yoonsun Jang ,  Kyeong Hwan Han

IPC: C08J11/08 ,  C08L55/02 ,  G01N33/44

Abstract: A method for screening a solvent for extracting acrylonitrile-butadiene-styrene (ABS) from waste using the following Equation 1: ABS solubility score=x1 Log10Molecular Weight+x2IAC_Mean where Molecular Weight is the molecular weight of the solvent, IAC_Mean is the average information by an atomic number, and x1 and x2 are each a real number from 0 to 5. A method for recycling waste having ABS including screening the solvent using Equation 1 and extracting the ABS from the waste using the screened solvent is also provided. Additionally, a recycled acrylonitrile-butadiene-styrene copolymer and a recycled acrylonitrile-butadiene-styrene copolymer composition are provided.

公开(公告)号：US20240376284A1

公开(公告)日：2024-11-14

申请号：US18688016

申请日：2022-09-02

Applicant: LG Chem, Ltd.

Inventor： Eunbyeol Ko ,  Kyoung Hoon Kim ,  Seungha Kim ,  Hyung Sop Kim ,  Gahyeon Lee ,  Seung Yong Lee ,  Yoonsun Jang ,  Kyeong Hwan Han

IPC: C08J11/08

Abstract: A method for screening a solvent for extracting acrylonitrile-butadiene-styrene (ABS) from waste using the following Equation 1: EScore=X1 exp(−mixE)+x2[log(x3Mvola)+log(x4HSPb)]+c, where mixE is the mixing energy between ABS and the solvent, Mvol is the molar volume of the solvent, HSP is the Hansen solubility parameter, x1, x2, x3, and x4 are each a real number from −1 to 1, a and b are each a real number from 0 to 1, and c is a real number from −10 to 10. A method for recycling waste having ABS is also provided. Additionally, a recycled acrylonitrile-butadiene-styrene copolymer and a recycled acrylonitrile-butadiene-styrene copolymer composition_are provided.

公开(公告)号：US20240248017A1

公开(公告)日：2024-07-25

申请号：US18028863

申请日：2022-05-02

Applicant: LG Chem, Ltd.

Inventor： Eunbyeol Ko ,  Young Hee Lim ,  Ji Won Park ,  Eunyeong Jin

IPC: G01N1/44 ,  F27B17/02 ,  G01N1/22

CPC classification number: G01N1/44 ,  F27B17/02 ,  G01N1/2247

Abstract: The present invention relates to a high-temperature-gas collection apparatus and method, and the objective of the present invention is to provide a high-temperature-gas collection apparatus and method, which stably collect high-temperature gas generated from a sample in a high-temperature environment.

公开(公告)号：US20240392094A1

公开(公告)日：2024-11-28

申请号：US18688127

申请日：2022-09-02

Applicant: LG Chem, Ltd.

Inventor： Kyeong Hwan Han ,  Eunbyeol Ko ,  Kyoung Hoon Kim ,  Seungha Kim ,  Hyung Sop Kim ,  Gahyeon Lee ,  Seung Yong Lee ,  Yoonsun Jang

IPC: C08J11/08 ,  G16C60/00

Abstract: A method for screening a solvent for extracting polyvinyl chloride (PVC) from waste using the following Equation 1: PVC ⁢ solubility ⁢ score = x 1 ⁢ exp ⁢ ( - x 2 ⁢ μ pvc sol - x 3 ⁢ μ dop sol ) + x 4 ⁢ exp ⁢ ( - x 5 ⁢ r pvc - x 6 ⁢ r dop ) - x 7 ⁢ exp ⁢ ( - x 8 ⁢ V sol ) + x 9 , μij is a chemical potential of the solvent, and in μij, i is a solute and j is the solvent, ri is a Hansen solubility parameter distance of the solvent, Vsol is a molecular volume of the solvent, sol is the solvent, pvc is polyvinyl chloride, and dop is diethylhexyl phthalate. A method for recycling waste is also provided. Additionally, a recycled polyvinyl chloride and a recycled composition are provided.

公开(公告)号：US20230168159A1

公开(公告)日：2023-06-01

申请号：US17922462

申请日：2021-09-01

Applicant: LG Chem, Ltd.

Inventor： Jung Hye Won ,  Eunbyeol Ko ,  Nak Hee Choi ,  Min Hwan Jung ,  Ji Seok Lee ,  Haesung Yun

IPC: G01N1/22 ,  G01N1/24

CPC classification number: G01N1/2226 ,  G01N1/24 ,  G01N2001/242

Abstract: The present invention relates to a gas collection device, and provides a gas collection device for collecting gas that is generated as microorganisms are cultured in a super absorbent polymer product.