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1. WO2022071263 - THERMALLY FUSIBLE MULTILAYER FILM

Publication Number WO/2022/071263
Publication Date 07.04.2022
International Application No. PCT/JP2021/035508
International Filing Date 28.09.2021
IPC
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 9/02 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
9Layered products essentially comprising a particular substance not covered by groups B32B11/-B32B29/137
02comprising animal or vegetable substances
B32B 27/00 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
B65D 65/40 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
65Wrappers or flexible covers; Packaging materials of special type or form
38Packaging materials of special type or form
40Applications of laminates for particular packaging purposes
C08L 23/04 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
C08L 23/10 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
10Homopolymers or copolymers of propene
CPC
B32B 27/00
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
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
B32B 9/02
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
9Layered products comprising a ; layer of a; particular substance not covered by groups B32B11/00 - B32B29/00
02comprising animal or vegetable substances ; , e.g. cork, bamboo, starch
B65D 65/40
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
65Wrappers or flexible covers; Packaging materials of special type or form
38Packaging materials of special type or form
40Applications of laminates for particular packaging purposes
C08L 23/04
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
C08L 23/10
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
10Homopolymers or copolymers of propene
Applicants
  • 三井化学東セロ株式会社 MITSUI CHEMICALS TOHCELLO, INC. [JP]/[JP]
Inventors
  • 石井 和臣 ISHII Kazuomi
  • 澤田 峻一 SAWADA Shunichi
Agents
  • 特許業務法人浅村特許事務所 ASAMURA PATENT OFFICE, P.C.
Priority Data
2020-16540930.09.2020JP
2020-16541230.09.2020JP
2020-16541430.09.2020JP
2020-16542030.09.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) THERMALLY FUSIBLE MULTILAYER FILM
(FR) FILM MULTICOUCHE THERMOCOLLANT
(JA) 熱融着性積層フィルム
Abstract
(EN) The present invention provides a multilayer film which has a thermally fusible layer, and which exhibits: high impact resistance that is suitable for cover materials for plastic containers or the like; excellently easy openability if combined with an adherend such as a plastic container; and the like. The above are achieved by means of a multilayer film which comprises a thermally fusible layer, an intermediate layer and a laminate layer, wherein a specific amount of a low-density polyethylene that is derived from biomass is contained in a specific layer.
(FR) La présente invention concerne un film multicouche qui possède une couche thermocollante et qui présente : une grande résistance aux chocs, tout en convenant à des matériaux de revêtement destinés à des récipients en plastique ou autres ; une très grande facilité d’ouverture s'il est combiné à un support tel qu'un récipient en plastique et autres. Les propriétés susmentionnées sont obtenues au moyen d'un film multicouche qui comprend une couche thermocollante, une couche intermédiaire et une couche stratifiée, une quantité précise d'un polyéthylène basse densité qui est dérivé de la biomasse étant contenue dans une couche particulière.
(JA) 熱融着層を有する積層フィルムであって、プラスチック容器用の蓋材等に好適な高い耐衝撃性、プラスチック容器等の被着体との組み合わせにおける優れた易開封性、等を有する積層フィルムを提供する。該課題は、熱融着層、中間層、およびラミネート層を有する積層フィルムであって、特定の層に特定量のバイオマス由来の低密度ポリエチレンを含有する積層フィルム、によって解決される。
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