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FR3124521B1 - HOT-MELT SELF-ADHESIVES FOR RESEALABLE PACKAGING - Google Patents

HOT-MELT SELF-ADHESIVES FOR RESEALABLE PACKAGING Download PDF

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Publication number
FR3124521B1
FR3124521B1 FR2106762A FR2106762A FR3124521B1 FR 3124521 B1 FR3124521 B1 FR 3124521B1 FR 2106762 A FR2106762 A FR 2106762A FR 2106762 A FR2106762 A FR 2106762A FR 3124521 B1 FR3124521 B1 FR 3124521B1
Authority
FR
France
Prior art keywords
weight
styrene
mixture
isoprene
hot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR2106762A
Other languages
French (fr)
Other versions
FR3124521A1 (en
Inventor
Christophe Robert
Barbara Wiegert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bostik SA
Original Assignee
Bostik SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bostik SA filed Critical Bostik SA
Priority to FR2106762A priority Critical patent/FR3124521B1/en
Priority to PCT/FR2022/051216 priority patent/WO2022269193A1/en
Publication of FR3124521A1 publication Critical patent/FR3124521A1/en
Application granted granted Critical
Publication of FR3124521B1 publication Critical patent/FR3124521B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J153/02—Vinyl aromatic monomers and conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

AUTO-ADHESIFS THERMOFUSIBLES POUR EMBALLAGE REFERMABLE La présente invention concerne une composition auto-adhésive thermofusible comprenant : - i) de 5% à 60% en poids d’un mélange M1 de copolymères à blocs styréniques, ledit mélange consistant en, sur la base de son poids total: - de 30% à 70% en poids de copolymères dibloc de type Styrène-Isoprène (SI) et de ; - de 30% à 70% en poids de copolymères tribloc linéaire Styrène-Isoprène-Styrène (SIS) ; la teneur en motifs styréniques totale dudit mélange M1 étant inférieure à 25% et strictement supérieure à 0%, sur la base du poids total du mélange M1 ; et - ii) de 20% à 70% en poids d’un mélange M2 de copolymères à blocs styréniques, ledit mélange consistant en, sur la base de son poids total: - de 1% à 30% en poids de copolymères dibloc de type Styrène-Isoprène (SI) et de ; - de 70% à 99% en poids de copolymères tribloc linéaire Styrène-Isoprène-Styrène (SIS) ; la teneur en motifs styréniques totale dudit mélange M2 étant strictement supérieure à 25%, sur la base du poids total du mélange M2 ; et - iii) au moins une résine tackifiante non hydrogénée obtenue par polymérisation ou copolymérisation (avec un hydrocarbure aromatique) de mélanges d’hydrocarbures aliphatiques insaturés ayant environ 5 atomes de carbone issus de coupes pétrolières. Figure : néantHOT-MELT SELF-ADHESIVES FOR RESEALABLE PACKAGING The present invention relates to a hot-melt self-adhesive composition comprising: - i) from 5% to 60% by weight of a mixture M1 of styrenic block copolymers, said mixture consisting of, on the basis of its total weight: - from 30% to 70% by weight of Styrene-Isoprene (SI) type diblock copolymers and; - from 30% to 70% by weight of linear triblock copolymers Styrene-Isoprene-Styrene (SIS); the total styrene unit content of said mixture M1 being less than 25% and strictly greater than 0%, based on the total weight of the mixture M1; and - ii) from 20% to 70% by weight of a mixture M2 of styrenic block copolymers, said mixture consisting of, on the basis of its total weight: - from 1% to 30% by weight of diblock copolymers of the type Styrene-Isoprene (SI) and; - from 70% to 99% by weight of linear triblock copolymers Styrene-Isoprene-Styrene (SIS); the total styrene unit content of said mixture M2 being strictly greater than 25%, based on the total weight of the mixture M2; and - iii) at least one non-hydrogenated tackifying resin obtained by polymerization or copolymerization (with an aromatic hydrocarbon) of mixtures of unsaturated aliphatic hydrocarbons having approximately 5 carbon atoms from petroleum cuts. Figure: none

FR2106762A 2021-06-24 2021-06-24 HOT-MELT SELF-ADHESIVES FOR RESEALABLE PACKAGING Active FR3124521B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2106762A FR3124521B1 (en) 2021-06-24 2021-06-24 HOT-MELT SELF-ADHESIVES FOR RESEALABLE PACKAGING
PCT/FR2022/051216 WO2022269193A1 (en) 2021-06-24 2022-06-22 Hot-melt self-adhesives for reclosable packaging

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2106762A FR3124521B1 (en) 2021-06-24 2021-06-24 HOT-MELT SELF-ADHESIVES FOR RESEALABLE PACKAGING
FR2106762 2021-06-24

Publications (2)

Publication Number Publication Date
FR3124521A1 FR3124521A1 (en) 2022-12-30
FR3124521B1 true FR3124521B1 (en) 2024-03-22

Family

ID=77519278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2106762A Active FR3124521B1 (en) 2021-06-24 2021-06-24 HOT-MELT SELF-ADHESIVES FOR RESEALABLE PACKAGING

Country Status (2)

Country Link
FR (1) FR3124521B1 (en)
WO (1) WO2022269193A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416755A1 (en) 1984-05-07 1985-11-07 Nyffeler, Corti AG, Kirchberg COLD OR HOT-SEALABLE MULTILAYER FILM FOR RE-SEALABLE PACKAGING
FR2793777B1 (en) 1999-05-21 2001-06-22 Soplaril Sa RECLOSABLE PACKAGE WITH CONTAINER COMPRISING A TEARABLE WELDING LAYER, MANUFACTURING METHOD THEREOF
FR2918069B1 (en) * 2007-06-29 2009-09-04 Bostik S A Sa HMPSA FOR SELF ADHESIVE LABEL DECOLLABLE
FR2965213B1 (en) * 2010-09-27 2012-08-31 Bostik Sa TRICOUCHE FILM FOR REFERMABLE PACKAGING
ES2864849T3 (en) 2011-07-27 2021-10-14 Performance Mat Na Inc Multilayer films for reclosable packaging
FR3023560B1 (en) * 2014-07-08 2016-08-05 Bostik Sa EXTRUDABLE THERMOFUSIBLE SELF-ADHESIVES FOR REFERMABLE PACKAGING WITH IMPROVED ORGANOLEPTIC PROPERTIES

Also Published As

Publication number Publication date
FR3124521A1 (en) 2022-12-30
WO2022269193A1 (en) 2022-12-29

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