HEAT SEALING RESIN COMPOSITION, HEAT SEALABLE MATERIAL, PACKAGING MATERIAL, COVER MATERIAL AND PACKAGING CONTAINER

A heat sealing resin composition which contains an ethylene-vinyl ester copolymer (A), an ethylene-unsaturated carboxylic acid ester copolymer (B) and a tackifying resin (C), wherein: the content of a constituent unit derived from a vinyl ester in the ethylene-vinyl ester copolymer (A) is 8% by mass...

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Main Authors SAKUMA, Masami, NAKANO, Shigenori, NISHIJIMA, Koichi, TAKAOKA, Hiroki
Format Patent
LanguageEnglish
French
Japanese
Published 22.09.2022
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Abstract A heat sealing resin composition which contains an ethylene-vinyl ester copolymer (A), an ethylene-unsaturated carboxylic acid ester copolymer (B) and a tackifying resin (C), wherein: the content of a constituent unit derived from a vinyl ester in the ethylene-vinyl ester copolymer (A) is 8% by mass or more relative to all constituent units of copolymers that constitute the ethylene-vinyl ester copolymer (A); and the tackifying resin (C) contains an alicyclic hydrocarbon resin (C1) and an aromatic hydrocarbon resin (C2). L'invention concerne une composition de résine thermoscellante qui contient un copolymère d'ester éthylène-vinylique (A), un copolymère d'ester d'acide carboxylique éthyléniquement insaturé (B) et une résine tackifiante (C), la teneur d'un motif constitutif dérivée d'un ester vinylique dans le copolymère d'ester éthylène-vinylique (A) est de 8 % en masse ou plus par rapport à tous les motifs constitutifs des copolymères qui constituent le copolymère d'ester éthylène-vinylique (A) ; et la résine tackifiante (C) contient une résine d'hydrocarbure alicyclique (C1) et une résine d'hydrocarbure aromatique (C2). エチレン・ビニルエステル共重合体(A)と、エチレン・不飽和カルボン酸エステル共重合体(B)と、粘着付与樹脂(C)と、を含み、前記エチレン・ビニルエステル共重合体(A)に含まれるビニルエステルに由来する構成単位の含有率が、前記エチレン・ビニルエステル共重合体(A)を構成する共重合体の全構成単位に対して8質量%以上であり、前記粘着付与樹脂(C)は、脂環族系炭化水素樹脂(C1)と、芳香族系炭化水素樹脂(C2)とを含むヒートシール性樹脂組成物。
AbstractList A heat sealing resin composition which contains an ethylene-vinyl ester copolymer (A), an ethylene-unsaturated carboxylic acid ester copolymer (B) and a tackifying resin (C), wherein: the content of a constituent unit derived from a vinyl ester in the ethylene-vinyl ester copolymer (A) is 8% by mass or more relative to all constituent units of copolymers that constitute the ethylene-vinyl ester copolymer (A); and the tackifying resin (C) contains an alicyclic hydrocarbon resin (C1) and an aromatic hydrocarbon resin (C2). L'invention concerne une composition de résine thermoscellante qui contient un copolymère d'ester éthylène-vinylique (A), un copolymère d'ester d'acide carboxylique éthyléniquement insaturé (B) et une résine tackifiante (C), la teneur d'un motif constitutif dérivée d'un ester vinylique dans le copolymère d'ester éthylène-vinylique (A) est de 8 % en masse ou plus par rapport à tous les motifs constitutifs des copolymères qui constituent le copolymère d'ester éthylène-vinylique (A) ; et la résine tackifiante (C) contient une résine d'hydrocarbure alicyclique (C1) et une résine d'hydrocarbure aromatique (C2). エチレン・ビニルエステル共重合体(A)と、エチレン・不飽和カルボン酸エステル共重合体(B)と、粘着付与樹脂(C)と、を含み、前記エチレン・ビニルエステル共重合体(A)に含まれるビニルエステルに由来する構成単位の含有率が、前記エチレン・ビニルエステル共重合体(A)を構成する共重合体の全構成単位に対して8質量%以上であり、前記粘着付与樹脂(C)は、脂環族系炭化水素樹脂(C1)と、芳香族系炭化水素樹脂(C2)とを含むヒートシール性樹脂組成物。
Author NAKANO, Shigenori
SAKUMA, Masami
NISHIJIMA, Koichi
TAKAOKA, Hiroki
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DocumentTitleAlternate COMPOSITION DE RÉSINE THERMOSCELLANTE, MATÉRIAU THERMOSCELLANT, MATÉRIAU D'EMBALLAGE, MATÉRIAU DE REVÊTEMENT ET RÉCIPIENT D'EMBALLAGE
ヒートシール性樹脂組成物、ヒートシール材、包装材、蓋材及び包装容器
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Snippet A heat sealing resin composition which contains an ethylene-vinyl ester copolymer (A), an ethylene-unsaturated carboxylic acid ester copolymer (B) and a...
SourceID epo
SourceType Open Access Repository
SubjectTerms ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
Title HEAT SEALING RESIN COMPOSITION, HEAT SEALABLE MATERIAL, PACKAGING MATERIAL, COVER MATERIAL AND PACKAGING CONTAINER
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