公开(公告)号：US11623988B2

公开(公告)日：2023-04-11

申请号：US16957969

申请日：2019-11-14

Applicant: LG CHEM, LTD.

Inventor： Hyun Jin Lee ,  Myong Jo Ham ,  Soongin Kim ,  Eon Seok Lee

IPC: C08L81/02 ,  C08K3/22 ,  B29C45/14 ,  C08G75/0204 ,  C08K3/40 ,  C08K5/53 ,  C08K5/5415 ,  C08K7/14 ,  C08K9/06

Abstract: A polyphenylene sulfide resin composition including (a) 25% to 75% by weight of a base resin; (b) 0.1% to 10% by weight of a laser direct structuring (LDS) additive; (c) 0.1% to 5% by weight of a plating seed generation promoter; (d) 10% to 60% by weight of a glass fiber; and (e) 0% to 40% by weight of a mineral filler, based on a total weight of the polyphenylene sulfide resin composition. The base resin includes 95% by weight or more of a polyphenylene sulfide resin based on a total weight of the base resin. A method of preparing the polyphenylene sulfide resin composition, and an injection-molded article manufactured using the polyphenylene sulfide resin composition.

公开(公告)号：US12146033B2

公开(公告)日：2024-11-19

申请号：US17270804

申请日：2019-10-25

Applicant: LG CHEM, LTD.

Inventor： Myeongjin Ha ,  Joong Jin Han ,  Eunju Park ,  Sung Ho Lee ,  Myong Jo Ham ,  Jeongbin Lee ,  Youngseok Kim

IPC: C08G75/0254 ,  C08G75/0204 ,  C08G75/0209 ,  C08G75/0213 ,  C08G75/025 ,  C08G75/0259 ,  C08G75/0281 ,  C08K5/098

Abstract: A method is provided for preparing a low temperature thermosetting polyarylene sulfide having significantly low crystallinity while maintaining a low melt flow rate at a high polymerization yield, so as to ensure excellent laser welding property and mechanical properties even when used in a molded product on the transmitting side of laser beam by a laser welding method.

公开(公告)号：US20220356343A1

公开(公告)日：2022-11-10

申请号：US17630867

申请日：2021-07-08

Applicant: LG CHEM, LTD.

Inventor： Gi Dae Choi ,  Jinseon Kim ,  Myong Jo Ham ,  Hyun Jin Lee

IPC: C08L67/02 ,  C08J3/20 ,  H01B1/24

Abstract: A conductive resin composition including 100 parts by weight of a base resin (A), which includes a polyester, a polyarylene ether, and an aromatic elastomer; 3 to 12 parts by weight of two or more polyfunctional reaction agents (B); 0.1 to 3 parts by weight of carbon nanotubes (C); 0.1 to 5 parts by weight of carbon nanoplates (D); and 1 to 10 parts by weight of glass powder (E), a method of preparing the conductive resin composition, and a molded article including the conductive resin composition. The conductive resin composition has excellent moisture stability and heat resistance in addition to excellent appearance, rigidity, and conductivity; can minimize the influence of moisture and heat when exposed to external environments; and thus, can be used in exterior parts to replace metal parts used in automobiles.

公开(公告)号：US12122892B2

公开(公告)日：2024-10-22

申请号：US17293432

申请日：2020-10-28

Applicant: LG CHEM, LTD.

Inventor： Gi Dae Choi ,  Young Joo Kim ,  Myong Jo Ham ,  Oh Min Kwon

IPC: C08K13/04 ,  C08J3/20 ,  C08K3/04 ,  C08K7/06 ,  H05K9/00 ,  C08K3/08

CPC classification number: C08K13/04 ,  C08J3/203 ,  H05K9/009 ,  C08K3/04 ,  C08K3/041 ,  C08K2003/0856 ,  C08K7/06 ,  C08K2201/003 ,  C08K2201/006 ,  C08K2201/011 ,  C08K2201/013 ,  C08K2201/014

Abstract: The present disclosure relates to a thermoplastic resin composition including a thermoplastic resin, carbon fiber, carbon nanotube, plate-shaped graphite, and metal fiber, which has excellent mechanical properties and electromagnetic wave shielding performance.

公开(公告)号：US20210221954A1

公开(公告)日：2021-07-22

申请号：US17270804

申请日：2019-10-25

Applicant: LG CHEM, LTD.

Inventor： Myeongjin Ha ,  Joong Jin Han ,  Eunju Park ,  Sung Ho Lee ,  Myong Jo Ham ,  Jeongbin Lee ,  Youngseok Kim

IPC: C08G75/0254 ,  C08K5/098 ,  C08G75/0213

Abstract: A method is provided for preparing a low temperature thermosetting polyarylene sulfide having significantly low crystallinity while maintaining a low melt flow rate at a high polymerization yield, so as to ensure excellent laser welding property and mechanical properties even when used in a molded product on the transmitting side of laser beam by a laser welding method.

公开(公告)号：US10065860B2

公开(公告)日：2018-09-04

申请号：US15505535

申请日：2015-09-17

Applicant: LG CHEM, LTD.

Inventor： Kwon Il Choi ,  Myong Jo Ham ,  Eon Seok Lee ,  Cheol-Hee Park ,  Han Nah Jeong ,  Jae Hyun Kim ,  Shin Hee Jun ,  Eun Kyu Seong

IPC: C08F2/40 ,  C08F2/00 ,  C08G61/04 ,  C01B15/16 ,  C01G3/00 ,  C01G55/00 ,  C08L55/02 ,  C08G75/0209 ,  C08G65/38

Abstract: The present invention relates to a composition for forming conductive patterns and a resin structure having a conductive pattern, capable of forming a conductive micropattern on various polymer resin products or resin layers using a simplified process and exhibiting excellent heat dissipation characteristics. The composition for forming conductive patterns comprises: a polymer resin; a non-conductive metal compound represented by a specific chemical formula; and a heat-dissipating material, wherein a metal nucleus is formed from the non-conductive metal compound by the irradiation of electromagnetic waves.