BR112016016681A2 - Processo de utilização de branco final em aplicações de embalagem flexível como um adesivo laminado - Google Patents

Processo de utilização de branco final em aplicações de embalagem flexível como um adesivo laminado

Info

Publication number
BR112016016681A2
BR112016016681A2 BR112016016681A BR112016016681A BR112016016681A2 BR 112016016681 A2 BR112016016681 A2 BR 112016016681A2 BR 112016016681 A BR112016016681 A BR 112016016681A BR 112016016681 A BR112016016681 A BR 112016016681A BR 112016016681 A2 BR112016016681 A2 BR 112016016681A2
Authority
BR
Brazil
Prior art keywords
flexible packaging
packaging applications
laminated adhesive
laminate
final white
Prior art date
Application number
BR112016016681A
Other languages
English (en)
Inventor
A Paduan Wilson
Rangwalla Imtiaz
Original Assignee
Technosolutions Assessoria Ltda
Energy Sciences Inc
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 Technosolutions Assessoria Ltda, Energy Sciences Inc filed Critical Technosolutions Assessoria Ltda
Publication of BR112016016681A2 publication Critical patent/BR112016016681A2/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/08Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0046Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
    • B32B37/0053Constructional details of laminating machines comprising rollers; Constructional features of the rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207Heat-activated adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04Homopolymers or copolymers of esters
    • C09J133/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08Homopolymers or copolymers of acrylic acid esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J135/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least another carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Adhesives based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J4/00Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B2037/1253Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives curable adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/10Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/20Inorganic coating
    • B32B2255/205Metallic coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00Condition, form or state of the layers or laminate
    • B32B2305/72Cured, e.g. vulcanised, cross-linked
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/31Heat sealable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/40Properties of the layers or laminate having particular optical properties
    • B32B2307/41Opaque
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514Oriented
    • B32B2307/518Oriented bi-axially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2310/00Treatment by energy or chemical effects
    • B32B2310/08Treatment by energy or chemical effects by wave energy or particle radiation
    • B32B2310/0806Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation
    • B32B2310/0831Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation using UV radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2310/00Treatment by energy or chemical effects
    • B32B2310/08Treatment by energy or chemical effects by wave energy or particle radiation
    • B32B2310/0875Treatment by energy or chemical effects by wave energy or particle radiation using particle radiation
    • B32B2310/0887Treatment by energy or chemical effects by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00Containers; Receptacles
    • B32B2439/70Food packaging

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

PROCESSO DE UTILIZAÇÃO DE BRANCO FINAL EM APLICAÇÕES DE EMBALAGEM FLEXÍVEL COMO UM ADESIVO LAMINADO. O presente pedido se refere a métodos de fabricação de um laminado compreendendo revestir pelo menos uma porção de pelo menos um primeiro substrato com uma última tinta adesiva embaixo curável com energia; aplicar pelo menos um segundo substrato à porção revestida do primeiro substrato para formar um laminado; e curar o laminado. O presente pedido se refere ainda a composições compreendendo pelo menos um monômero de acrilato, pelo menos um pigmento, pelo menos um agente molhante e pelo menos um agente dispersante.
BR112016016681A 2014-02-12 2015-02-12 Processo de utilização de branco final em aplicações de embalagem flexível como um adesivo laminado BR112016016681A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461939077P 2014-02-12 2014-02-12
PCT/US2015/015699 WO2015123462A1 (en) 2014-02-12 2015-02-12 Process of using last white in flexible packaging applications as a laminating adhesive

Publications (1)

Publication Number Publication Date
BR112016016681A2 true BR112016016681A2 (pt) 2017-10-03

Family

ID=53800636

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016016681A BR112016016681A2 (pt) 2014-02-12 2015-02-12 Processo de utilização de branco final em aplicações de embalagem flexível como um adesivo laminado

Country Status (7)

Country Link
US (1) US20160339681A1 (pt)
EP (2) EP3339026A1 (pt)
JP (1) JP2017512671A (pt)
CN (1) CN106068183A (pt)
BR (1) BR112016016681A2 (pt)
RU (1) RU2677207C2 (pt)
WO (1) WO2015123462A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170182829A1 (en) * 2015-12-28 2017-06-29 Energy Sciences Inc. Electron beam curing of polymeric inks
CN107053777A (zh) * 2017-04-26 2017-08-18 温州市金田塑业有限公司 一种bopp薄膜及其制备方法
US20220126559A1 (en) * 2019-04-23 2022-04-28 Amcor Flexibles North America, Inc. Process for producing adhesive-free laminates

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5344276A (en) * 1976-10-05 1978-04-20 Toppan Printing Co Ltd Paper receptacle producing method
US4961992A (en) * 1989-01-13 1990-10-09 Mobil Oil Corporation Laminated packaging film
CA2096921C (en) * 1993-05-25 1998-08-11 Melvin E. Kamen Hot stamping glass
JPH1025452A (ja) * 1996-07-09 1998-01-27 Kansai Paint Co Ltd 活性エネルギー線硬化型接着剤組成物、該組成物を用いるラミネートフィルムの形成方法およびラミネートフィルム
GB9700905D0 (en) 1997-01-17 1997-03-05 Dow Corning Reactive silicone/alkylenimine barrier coatings and applications thereof
GB9700904D0 (en) 1997-01-17 1997-03-05 Dow Corning Reactive silicone/alkylenimine barrier laminating adhesives and applications thereof
US6908665B2 (en) * 1999-07-06 2005-06-21 Northwest Coatings L.L.C. Radiation-cured, laminated flexible packaging material
US6472056B1 (en) 1999-07-06 2002-10-29 Northwest Coatings Corp. Radiation-cured laminate label
US7026635B2 (en) 1999-11-05 2006-04-11 Energy Sciences Particle beam processing apparatus and materials treatable using the apparatus
US6436498B1 (en) 2000-03-03 2002-08-20 Dow Corning Corporation Reactive silicone/alkyleneimine barrier laminating adhesives having bis-silane additives
US6416817B1 (en) 2000-03-03 2002-07-09 Dow Corning Sa Barrier coatings having bis-silanes
CA2472738C (en) * 2002-01-22 2010-07-20 Northwest Coatings L.L.C. Radiation-cured, laminated flexible packaging material, and radiation-curable, adhesive composition
ITFI20020197A1 (it) 2002-10-18 2004-04-19 Perini Fabio Spa Una macchina troncatrice con un gruppo di affilatura per una lama, metodo di affilatura e lama per detta macchina
US6989407B2 (en) * 2004-01-09 2006-01-24 Northwest Coatings, Llc Radiation curable laminating adhesives based on cycloaliphatic carboxylic acid functional monomers
US7449232B2 (en) * 2004-04-14 2008-11-11 Energy Sciences, Inc. Materials treatable by particle beam processing apparatus
EP1616710A1 (de) 2004-07-01 2006-01-18 Alcan Technology & Management Ltd. Verfahren zur Herstellung eines Verpackungsmaterials
EP1614528A1 (de) 2004-07-01 2006-01-11 Alcan Technology & Management Ltd. Verfahren zur Herstellung eines Verpackungsmaterials
US7781493B2 (en) * 2005-06-20 2010-08-24 Dow Global Technologies Inc. Protective coating for window glass
AU2009329841B2 (en) 2008-12-22 2015-02-05 Technosolutions Assessoria Ltda Flexographic printing process with wet on wet capability
CA2750305A1 (en) * 2009-01-26 2010-07-29 Sun Chemical Corporation Uv curable ink for a plastic glazing system
EP2739481B1 (en) * 2011-08-01 2017-09-20 Sun Chemical Corporation High-stretch energy curable inks and method of use in heat transfer label applications
US20160024329A1 (en) * 2012-03-06 2016-01-28 Sun Chemical Corporation Energy curable inks with improved adhesion

Also Published As

Publication number Publication date
CN106068183A (zh) 2016-11-02
US20160339681A1 (en) 2016-11-24
RU2016136349A3 (pt) 2018-07-27
RU2677207C2 (ru) 2019-01-15
JP2017512671A (ja) 2017-05-25
RU2016136349A (ru) 2018-03-15
EP3105058A1 (en) 2016-12-21
EP3105058A4 (en) 2017-03-08
WO2015123462A1 (en) 2015-08-20
EP3339026A1 (en) 2018-06-27

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements
B350 Update of information on the portal [chapter 15.35 patent gazette]