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1. WO2020067837 - COMPOSITE MATERIAL

Publication Number WO/2020/067837
Publication Date 02.04.2020
International Application No. PCT/KR2019/012744
International Filing Date 30.09.2019
IPC
H05K 7/20 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
7Constructional details common to different types of electric apparatus
20Modifications to facilitate cooling, ventilating, or heating
B32B 5/18 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
5Layered products characterised by the non-homogeneity or physical structure of a layer
18characterised by features of a layer containing foamed or specifically porous material
B32B 15/08 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15Layered products essentially comprising metal
04comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
08of synthetic resin
H05K 9/00 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
9Screening of apparatus or components against electric or magnetic fields
C22C 1/08 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
1Making non-ferrous alloys
08Alloys with open or closed pores
CPC
B32B 15/08
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15Layered products comprising ; a layer of; metal
04comprising metal as the main or only constituent of a layer, ; which is next to another layer of the same or of a different material
08of synthetic resin
B32B 5/18
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
5Layered products characterised by the non- homogeneity or physical structure ; , i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
18characterised by features of a layer ; of; foamed material
C22C 1/08
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
1Making alloys
08Alloys with open or closed pores
H05K 7/20
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
7Constructional details common to different types of electric apparatus
20Modifications to facilitate cooling, ventilating, or heating
H05K 9/00
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
9Screening of apparatus or components against electric or magnetic fields
Applicants
  • 주식회사 엘지화학 LG CHEM, LTD. [KR]/[KR]
Inventors
  • 신종민 SHIN, Jong Min
  • 유동우 YOO, Dong Woo
  • 이진규 LEE, Jin Kyu
Agents
  • 특허법인 다나 DANA PATENT LAW FIRM
Priority Data
10-2018-011596628.09.2018KR
10-2018-011596928.09.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) COMPOSITE MATERIAL
(FR) MATÉRIAU COMPOSITE
(KO) 복합재
Abstract
(EN)
The present invention relates to a composite material, a method for preparing same, and an electromagnetic wave shielding sheet including same, the composite material comprising: a metal foam in a film form for effectively controlling heat generated during the operation of a battery or various electronic devices; and a graphene component present on the surface of the metal foam or inside the metal foam, the metal foam including pores having an average size of 10 μm or less with respect to the long axis. The present invention can provide an electromagnetic wave shielding sheet that has excellent heat dissipation performance, excellent impact resistance or processability, excellent electromagnetic wave shielding performance, and excellent mechanical strength and flexibility and is advantageous in terms of oxidation and high-temperature stability.
(FR)
La présente invention concerne un matériau composite, son procédé de préparation et une feuille de protection contre les ondes électromagnétiques le comprenant, le matériau composite comportant : une mousse métallique sous forme de film permettant de réguler efficacement la chaleur produite pendant le fonctionnement d'une batterie ou de divers dispositifs électroniques ; et un composant de graphène présent sur la surface de la mousse métallique ou à l'intérieur de celle-ci, la mousse métallique comprenant des pores ayant une taille moyenne de 10 µm ou moins par rapport à l'axe long. La présente invention peut fournir une feuille de protection contre les ondes électromagnétiques qui présente d'excellentes performances de dissipation de chaleur, une excellente résistance aux chocs ou aptitude au traitement, une excellente performance de protection contre les ondes électromagnétiques, une excellente résistance mécanique et une excellente flexibilité, et est avantageuse en termes d'oxydation et de stabilité à haute température.
(KO)
배터리나 각종 전자기기 작동 과정에서 발생하는 열을 효과 적으로 제어하기 위한 필름 형태의 금속폼 및 금속폼의 표면 또는 금속폼의 내부에 존재하는 그래핀 성분을 포함하고, 금속폼은 장축 기준으로 평균 10㎛ 이하인 크기의 기공을 포함하는 복합재, 이의 제조 방법 및 이를 포함하는 전자파 차폐 시트에 관한 것으로서, 방열 성능이 우수하면서도 내충격성이나 가공성이 우수하며, 우수한 전자파 차폐능을 가지면서 기계적 강도 및 유연성이 좋고, 산화 및 고온 안정성에서도 유리한 전자파 차폐 시트를 제공할 수 있다.
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