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1. WO2022114604 - PROPYLENE-BASED MULTI-LAYER FILM FOR CELL POUCH, HAVING EXCELLENT ADHESIVE PERFORMANCE AND MOLDABILITY

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Publication Number WO/2022/114604
Publication Date 02.06.2022
International Application No. PCT/KR2021/016269
International Filing Date 09.11.2021
IPC
B32B 25/08 2006.1
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
25Layered products essentially comprising natural or synthetic rubber
04comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance
08of synthetic resin
B32B 27/32 2006.1
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
27Layered products essentially comprising synthetic resin
32comprising polyolefins
B32B 27/08 2006.1
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
27Layered products essentially comprising synthetic resin
06as the main or only constituent of a layer next to another layer of a specific substance
08of synthetic resin of a different kind
B32B 27/18 2006.1
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
27Layered products essentially comprising synthetic resin
18characterised by the use of special additives
B32B 15/085 2006.1
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
085comprising polyolefins
H01M 10/052 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
CPC
B32B 15/085
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
085comprising polyolefins
B32B 2311/24
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
2311Metals, their alloys or their compounds
24Aluminium
B32B 25/08
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
25Layered products comprising ; a layer of; natural or synthetic rubber
04comprising rubber 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 27/08
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
27Layered products comprising ; a layer of; synthetic resin
06as 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 27/18
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
27Layered products comprising ; a layer of; synthetic resin
18characterised by the use of special additives
B32B 27/32
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
27Layered products comprising ; a layer of; synthetic resin
32comprising polyolefins
Applicants
  • 롯데케미칼 주식회사 LOTTE CHEMICAL CORPORATION [KR]/[KR]
Inventors
  • 조진주 CHO, Jin Ju
  • 김민규 KIM, Min Kyu
  • 안준규 AHN, Joon Gyu
  • 이현섭 LEE, Hyun Sup
Agents
  • 박상훈 PARK, Sang Hoon
Priority Data
10-2020-015912124.11.2020KR
Publication Language Korean (ko)
Filing Language Korean (KO)
Designated States
Title
(EN) PROPYLENE-BASED MULTI-LAYER FILM FOR CELL POUCH, HAVING EXCELLENT ADHESIVE PERFORMANCE AND MOLDABILITY
(FR) FILM MULTICOUCHE À BASE DE PROPYLÈNE POUR SACHET CELLULAIRE, AYANT D'EXCELLENTES PERFORMANCES ADHÉSIVES ET UNE APTITUDE AU MOULAGE
(KO) 접착 성능과 성형성이 우수한 셀 파우치용 프로필렌계 다층 필름
Abstract
(EN) The present invention relates to a multi-layer film which is mainly used as a sealant layer of a cell pouch and has an excellent adhesive performance while simultaneously achieving moldability in post-processing, and the laminate composition of the multi-layer film is disclosed in particular. The present invention provides the polypropylene-based multi-layer film comprising: a skin layer comprising (a) a propylene-based bipolymer, (f) modified polyolefin, and (e) an anti-blocking agent; a core layer comprising (b1) an ethylene propylene block copolymer and (c) an amorphous propylene rubber; and a seal layer comprising (a) the propylene-based bipolymer, (b2) the ethylene propylene block copolymer, (d) a slip agent, and (e) the anti-blocking agent.
(FR) La présente invention concerne un film multicouche qui est principalement utilisé en tant que couche d'étanchéité d'un sachet cellulaire et a d’excellentes performances adhésives tout en obtenant simultanément une aptitude au moulage dans un post-traitement. La présente invention concerne en particulier la composition stratifiée du film multicouche. La présente invention concerne le film multicouche à base de polypropylène comprenant : une couche de peau comprenant (a) un bipolymère à base de propylène, (f) une polyoléfine modifiée et (e) un agent anti-blocage ; une couche centrale comprenant (b1) un copolymère séquencé d'éthylène-propylène et (c) un caoutchouc de propylène amorphe ; et une couche d'étanchéité comprenant (a) le bipolymère à base de propylène, (b2) le copolymère séquencé d'éthylène-propylène, (d) un agent glissant, et (e) l'agent anti-blocage.
(KO) 주로 셀 파우치의 실란트층으로 사용되어 접착 성능이 우수하고 후가공에서의 성형성을 동시에 만족하는 다층 필름으로서 그 적층 조성 구체적으로 개시된다. 본 발명은 (a) 프로필렌계 이원 공중합체, (f) 변성 폴리올레핀 및 (e) 안티블로킹제를 포함하는 스킨층; (b1) 에틸렌 프로필렌 블록 공중합체와 (c) 무정형 프로필렌 고무를 포함하는 코어층; 및 (a) 프로필렌계 이원 공중합체, (b2) 에틸렌 프로필렌 블록 공중 합체, (d) 슬립제 및 (e) 안티블로킹제를 포함하는 씰층:을 포함하는 폴리프로필렌계 다층 필름을 제공한다.
Related patent documents
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