公开(公告)号：US20210403682A1

公开(公告)日：2021-12-30

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 ,  H05K9/00

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：US20160032144A1

公开(公告)日：2016-02-04

申请号：US14424356

申请日：2014-08-28

Applicant: LG CHEM, LTD.

Inventor： Yeon Sik CHOI ,  Su Min LEE ,  Chang-Hun YUN ,  Gi Dae CHOI

IPC: C09D177/06 ,  C08K7/14 ,  C08K5/01

CPC classification number: C09D177/06 ,  C08J3/2053 ,  C08J5/005 ,  C08J2300/22 ,  C08J2377/00 ,  C08K3/04 ,  C08K3/041 ,  C08K3/042 ,  C08K3/046 ,  C08K5/01 ,  C08K5/09 ,  C08K7/06 ,  C08K7/14 ,  C08K7/24 ,  C08K2201/011 ,  C08L77/00

Abstract: Disclosed are a resin composition and a molded product obtained using the same. By using the resin composition according to the present invention, a molded product having excellent tensile strength, tensile modulus, electromagnetic shielding effects, anti-static effects, and the like may be provided.

Abstract translation: 公开了使用该组合物得到的树脂组合物和成型体。 通过使用本发明的树脂组合物，可以提供具有优异的拉伸强度，拉伸模量，电磁屏蔽效果，防静电效果等的成型体。

公开(公告)号：US20230374302A1

公开(公告)日：2023-11-23

申请号：US17630907

申请日：2021-07-21

Applicant: LG CHEM, LTD.

Inventor： Gi Dae CHOI ,  Hyuntae KIM ,  Myong Jo HAM ,  Hyeseung HAM ,  Jinseon KIM

IPC: C08L71/12 ,  C08J3/20 ,  C08K13/06 ,  C09K21/12

CPC classification number: C08L71/123 ,  C08J3/201 ,  C08K13/06 ,  C09K21/12 ,  C08L2201/02 ,  C08L2205/03 ,  C08L2203/30 ,  C08K5/523

Abstract: A thermoplastic resin composition including 100 parts by weight of a base resin including 50-95% by weight of a polyarylene ether resin (a-1) and 5-50% by weight of a polystyrene resin (a-2); 8.5-16 parts by weight of two or more types of organophosphorus flame retardants (b) having different phosphorus contents; 0.5-3 parts by weight of organoclay (c); 0.5-3.5 parts by weight of pulverized mica (d); 1-4 parts by weight of an alkaline earth metal sulfate (e); and 1-5 parts by weight of a polyfunctional reactant (f), a method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition. The thermoplastic resin composition has excellent mechanical properties, such as impact strength and tensile strength, heat resistance, electrical insulation, and flame retardancy.

公开(公告)号：US20160276055A1

公开(公告)日：2016-09-22

申请号：US14760938

申请日：2014-12-04

Applicant: LG CHEM. LTD.

Inventor： Yeon Sik CHOI ,  Su Min LEE ,  Gi Dae CHOI ,  ChangHun YUN

IPC: H01B1/24 ,  B29B9/06 ,  H01B1/04 ,  H05K9/00

CPC classification number: H01B1/24 ,  B29B9/06 ,  B29K2101/12 ,  B29K2105/0005 ,  B29K2105/0026 ,  B29K2105/0032 ,  B29K2105/0038 ,  B29K2105/0044 ,  B29K2105/162 ,  B29K2507/04 ,  B29K2995/0005 ,  C08K3/04 ,  C08K3/041 ,  C08L77/06 ,  H01B1/04 ,  H05K9/0079 ,  H05K9/0081 ,  H05K9/0083 ,  Y02E60/13

Abstract: Provided is a composite produced by processing a resin composition including a thermoplastic resin, carbon nanotubes, and a carbonaceous conductive additive. The carbon nanotubes have an ID/IG of 1.0 or less before the processing. The ratio of residual length of the carbon nanotubes present in the composite is from 40% to 99%. The composite has improved conductivity without deterioration of mechanical properties. Due to these advantages, the composite can be used to manufacture various molded articles.

Abstract translation: 提供了通过加工包含热塑性树脂，碳纳米管和碳质导电添加剂的树脂组合物制备的复合材料。 碳纳米管在加工前的ID / IG为1.0以下。 存在于复合材料中的碳纳米管的残留长度的比例为40％至99％。 复合材料具有改善的导电性，而不会降低机械性能。 由于这些优点，复合材料可用于制造各种模制品。

公开(公告)号：US20250115760A1

公开(公告)日：2025-04-10

申请号：US18905928

申请日：2024-10-03

Applicant: LG CHEM, LTD.

Inventor： Gi Dae CHOI ,  Jieun PARK ,  Mok Keun LIM

IPC: C08L77/06 ,  C08J3/22 ,  C08J7/044 ,  C08K3/04 ,  C08L71/12

Abstract: Disclosed are a conductive resin composition, a method of preparing the same, and a molded article including the same. According to the present disclosure, a conductive resin composition having excellent moisture stability and processability in addition to excellent rigidity and conductivity; being capable of minimizing the influence of moisture and heat when exposed to external environments due to these properties; and thus being suitable for exterior parts replacing metal parts used in automobiles, a method of preparing the conductive resin composition, and a molded article including the conductive resin composition are provided.

公开(公告)号：US20250092252A1

公开(公告)日：2025-03-20

申请号：US18565504

申请日：2023-04-24

Applicant: LG CHEM, LTD.

Inventor： Gi Dae CHOI ,  Ohmin KWON ,  Myong Jo HAM ,  Kwang Joon KIM

IPC: C08L67/06 ,  C08K3/04

Abstract: The present disclosure relates to a conductive resin composition, a method of preparing the same, and a molded article including the same. The present disclosure has an effect of providing a conductive resin composition having excellent moisture stability and heat resistance in addition to excellent appearance, rigidity, and conductivity; being capable of minimizing the influence of moisture and heat when exposed to external environments due to these properties; and thus being suitable for exterior parts replacing metal parts used in automobiles, a method of preparing the conductive resin composition, molded article including the conductive resin composition.

公开(公告)号：US20210269617A1

公开(公告)日：2021-09-02

申请号：US17261250

申请日：2019-11-14

Applicant: LG CHEM, LTD.

Inventor： Gi Dae CHOI ,  Youngjoo KIM ,  Eon Seok LEE ,  Changhun YUN ,  Minsu KIM

IPC: C08K3/04 ,  H05K9/00 ,  B29C48/40 ,  B29C48/92 ,  C08K7/06 ,  B29C48/00 ,  C08K3/08 ,  C08L101/00

Abstract: Provided is a thermoplastic resin composition, including (a) 100 parts by weight of a thermoplastic resin including 80-100% by weight of a base resin and 0-20% by weight of a reinforcing resin; (b) 2-60 parts by weight of linear carbon fibers having an average diameter of 1-15 μm; (c) 1-5 parts by weight of carbon nanofibrils having a BET specific surface area of 200-400 m2/g; (d) 1-15 parts by weight of carbon nanoplates; and (e) 1-25 parts by weight of metal powder, a method of preparing the thermoplastic resin composition, and an injection-molded article manufactured using the thermoplastic resin composition. The thermoplastic resin composition has excellent mechanical properties, e.g., impact strength, and also excellent conductivity, heat resistance, and electromagnetic wave shielding capacity, particularly high shielding efficiency against high-frequency electromagnetic waves, and thus can be used as automobile, electric, and electronic parts, and as a substitute for aluminum alloys and magnesium alloys.

公开(公告)号：US20160355670A1

公开(公告)日：2016-12-08

申请号：US14430817

申请日：2014-12-05

Applicant: LG CHEM, LTD.

Inventor： Su Min LEE ,  Yeon Sik CHOI ,  Gi Dae CHOI ,  Chang Hun YUN

IPC: C08K7/24 ,  H01Q17/00 ,  H01Q1/42 ,  C08K3/04 ,  H01Q1/52

CPC classification number: C08K7/24 ,  C08K3/04 ,  C08K3/041 ,  C08K2201/003 ,  C08K2201/011 ,  C08L77/02 ,  C08L77/06 ,  H01Q1/42 ,  H01Q1/526 ,  H01Q17/002 ,  H01Q17/004 ,  H05K9/009 ,  C08L77/00 ,  C08L69/00 ,  C08L67/02 ,  C08L81/04

Abstract: Provided is a thermoplastic resin composition for a radar cover which exhibits excellent mechanical properties as well as a good balance between electromagnetic reflection loss and electromagnetic penetration loss, which is required for a radar protection, by including 85 wt % to 95 wt % of a thermoplastic resin, 1 wt % to 5 wt % of carbon nanotubes, and 3 wt % to 10 wt % of carbon black, wherein a weight ratio of the carbon nanotubes to the carbon black is in a range of 3:7 to 1:7.

Abstract translation: 本发明提供了一种用于雷达罩的热塑性树脂组合物，其包括85重量％至95重量％的热塑性塑料，其具有优异的机械性能以及雷达保护所需的电磁反射损失和电磁穿透损耗之间的良好平衡 树脂，1重量％〜5重量％的碳纳米管和3重量％〜10重量％的炭黑，其中碳纳米管与炭黑的重量比在3:7至1:7的范围内。

公开(公告)号：US20160211049A1

公开(公告)日：2016-07-21

申请号：US14913626

申请日：2014-02-06

Applicant: LG CHEM. LTD.

Inventor： Yeon Sik CHOI ,  Su Min LEE ,  Gi Dae CHOI ,  ChangHun YUN

IPC: H01B1/24

CPC classification number: H01B1/24 ,  C08K7/24 ,  C08K2201/011 ,  C08L77/06

Abstract: Provided is a composite produced by processing a resin composition including a thermoplastic resin and carbon nanotubes. The carbon nanotubes have an ID/IG of 0.01 to 1.0 and the rate of residual length of the carbon nanotubes present in the composite is from 1% to 50%. The composite has the advantage of high conductivity. Due to this advantage, the composite can be used to manufacture various molded articles where conductivity is required.

Abstract translation: 提供了通过加工包含热塑性树脂和碳纳米管的树脂组合物制备的复合材料。 碳纳米管的ID / IG为0.01〜1.0，复合体中存在的碳纳米管的残留长度比率为1〜50％。 该复合材料具有导电性高的优点。 由于这个优点，复合材料可用于制造需要导电性的各种模制品。