DK162591B - COMPOSITE FILM - Google Patents

COMPOSITE FILM Download PDF

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Publication number
DK162591B
DK162591B DK255586A DK255586A DK162591B DK 162591 B DK162591 B DK 162591B DK 255586 A DK255586 A DK 255586A DK 255586 A DK255586 A DK 255586A DK 162591 B DK162591 B DK 162591B
Authority
DK
Denmark
Prior art keywords
layer
ethylene
composite film
copolymer
aluminum
Prior art date
Application number
DK255586A
Other languages
Danish (da)
Other versions
DK255586D0 (en
DK255586A (en
DK162591C (en
Inventor
Wilfried Nassel
Original Assignee
Unilever Nv
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 Unilever Nv filed Critical Unilever Nv
Publication of DK255586D0 publication Critical patent/DK255586D0/en
Publication of DK255586A publication Critical patent/DK255586A/en
Publication of DK162591B publication Critical patent/DK162591B/en
Application granted granted Critical
Publication of DK162591C publication Critical patent/DK162591C/en

Links

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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal 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
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal 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
    • B32B15/085—Layered products comprising a layer of metal comprising metal 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 comprising polyolefins
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/24—Aluminium
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • 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
    • B32B2331/00—Polyvinylesters
    • B32B2331/04—Polymers of vinyl acetate, e.g. PVA
    • 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
    • B32B2333/00—Polymers of unsaturated acids or derivatives thereof
    • B32B2333/04—Polymers of esters
    • 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
    • B32B2439/00—Containers; Receptacles

Description

OISLAND

DK 162591 BDK 162591 B

Opfindelsen angår en sammensat folie, især til fremstilling af beholdere, med et midterlag af aluminium samt to dæklag af formstof.The invention relates to a composite film, especially for the manufacture of containers, with a middle layer of aluminum and two layers of plastic material.

Sådanne sammensatte folier skal opfylde mange krav.Such composite films must meet many requirements.

5 De skal i det mindste være tætte over for forskellige medier, de skal være forseglelige med sig selv, og de skal være godt betrykkelige.5 At least they should be close to different media, they must be sealable with themselves, and they must be well pressurized.

Til opnåelse af dette foreslås det ifølge opfindelsen, at det ydre dæklag består af to med hinanden coekstru-10 derede lag af polyethylen eller en copolymer af ethylen og vinylacetat, hvoraf det indre er indfarvet og det ydre er transparent, og at der mellem dette coekstruderede dæklag og midterlaget af aluminium er anordnet et mellemlag, f.eks. af en copolymer af ethylen/acrylsyre, der forbinder midter-15 laget og det ydre dæklag med hinanden.In order to achieve this, it is proposed according to the invention that the outer cover layer consists of two co-extruded layers of polyethylene or a copolymer of ethylene and vinyl acetate, the inner of which is colored and the outer transparent and that between this co-extruded a cover layer and the middle layer of aluminum are provided an intermediate layer, e.g. of a copolymer of ethylene / acrylic acid connecting the middle layer and outer covering layer with each other.

Ved den særskilte coekstrudering af dæklaget opnås der en særdeles godt betrykkelig overflade af dette, der ikke mere påvirkes uheldigt af eventuelle ujævnheder eller lignende i midterlaget.By the separate coextrusion of the cover layer, an extremely good surface of this is obtained which is no longer adversely affected by any unevenness or similar in the middle layer.

20 Ved de hidtil kendte sammensatte folier af denne type er de enkelte lag derimod blevet anbragt efter hinanden på midterlaget af aluminium. Eventuelle fejl i de enkelte lag udlignes derved næppe. De summeres derimod hyppigt og fører i det mindste til en ringe betrykkelighed. I eks-25 treme tilfælde kan endog tætheden påvirkes uheldigt derved.By contrast, in the prior art composite foils of this type, the individual layers have been placed one after the other on the middle layer of aluminum. Any errors in the individual layers are thus hardly offset. On the other hand, they are frequently summed up and at least lead to poor printability. In extreme cases, even the density may be adversely affected thereby.

Det er også særdeles fordelagtigt, når ifølge opfindelsen også det indre dæklag består af to med hinanden coekstruderede lag af polyethylen eller en copolymer af ethylen og vinylacetat, der via et mellemlag, f.eks. en copoly-30 mer af ethylen/acylsyre, er forbundet med midterlaget af aluminium.It is also particularly advantageous when, according to the invention, the inner cover layer also consists of two co-extruded layers of polyethylene or a copolymer of ethylene and vinyl acetate which, via an intermediate layer, e.g. a copolymer of ethylene / acyl acid, is joined to the middle layer of aluminum.

Den derved opnåede forbedring af den indre overflade er ganske betydelig, både med hensyn til tæthed og med hensyn til forseglingsegenskaberne af den sammensatte 35 folie. En forbedring af stivheden er ligeledes mulig.The improvement of the inner surface thus obtained is quite considerable, both in terms of density and in terms of the sealing properties of the composite film. An improvement in stiffness is also possible.

På tegningen er der vist to udførelseseksempler påIn the drawing, two exemplary embodiments are shown

OISLAND

DK 162591 BDK 162591 B

2 den her omhandlede sammensatte folie.2 the composite film of the invention.

Fig 1 viser en sammensat folie, hvis ydre dæklag består af to med hinanden coekstruderede lag af polyethylen, og 5 fig. 2 visér en sammensat folie, hvor både det ydre og det indre dæklag hver især er dannet af to med hinanden coekstruderede lag af polyethylen.Fig. 1 shows a composite foil whose outer covering layer consists of two co-extruded layers of polyethylene, and Figs. 2 shows a composite film in which both the outer and inner cover layers are each formed of two co-extruded layers of polyethylene.

Ved udførelseseksemplet vist i fig. 1 har den sammensatte folie et midterlag 1 af 40 tyk aluminiumfo-10 lie, der på ydersiden bærer et 45 g/m^ tykt mellemlag 2 af en hvidt indfarvet copolymer af ethylen/acrylsyre.In the embodiment shown in FIG. 1, the composite film has a middle layer 1 of 40 thick aluminum foil bearing on the outside a 45 g / m 2 thick intermediate layer 2 of a white colored copolymer of ethylene / acrylic acid.

Dette mellemlag 2 tjener som vedhæftningsformidlende lag for et ydre dæklag 3, der består af to med hinanden coekstruderede lag 4 og 5 af polyethylen. Det indre lag 15 4 er indfarvet hvidt og er 80 ^im tykt, medens det ydre lag 5 kun er 30 ^im tykt og er transparent.This intermediate layer 2 serves as an adhesive-mediating layer for an outer cover layer 3 consisting of two co-extruded layers 4 and 5 of polyethylene. The inner layer 15 4 is colored white and is 80 µm thick, while the outer layer 5 is only 30 µm thick and is transparent.

På den indre side af midterlaget 1 af aluminium er der ligeledes anbragt et mellemlag 6, der har en tykkelse på ca. 45 g/m , består af en transparent copolymer af ethy-20 len/acylsyre og tjener som vedhæftnings formidlende lag for et indre dæklag 7. Dette indre dæklag består af transparent polyethylen og. er 70 ^im tykt.On the inner side of the middle layer 1 of aluminum is also provided an intermediate layer 6 having a thickness of approx. 45 g / m, consists of a transparent copolymer of ethylene / acyl acid and serves as an adhesive mediating layer for an inner cover layer 7. This inner cover layer consists of transparent polyethylene and. is 70 µm thick.

Ved udførelseseksemplet vist i fig. 2 har den sammensatte folie samme opbygning udad som i udførelseseksem-25 plet vist i fig. 1. Også på indersiden er der igen anordnet et mellemlag 6 af en copolymer af ethylen/acrylsyre som vedhæftningsformidlende materiale. Ved hjælp af dette vedhæftnings formidlende materiale er der imidlertid på indersiden påkascheret et coekstruderet dæklag 8 på aluminium-30 folien. Dæklaget 8 består derved af to med hinanden coekstruderede lag 9 og 10 af polyethylen, der begge er transparente .In the embodiment shown in FIG. 2, the composite film has the same outward structure as in the exemplary embodiment shown in FIG. 1. Also, on the inside, an intermediate layer 6 of an ethylene / acrylic acid copolymer is provided as an adhesive. However, by means of this adhesive mediating material, a coextruded cover layer 8 on the aluminum foil is cached on the inside. The cover layer 8 thus consists of two co-extruded layers 9 and 10 of polyethylene, both of which are transparent.

3535

Claims (2)

1. Sammensat folie, især til fremstilling af beholdere, med et midterlag af aluminium samt to dæklag af formstof, kendetegnet ved, at det ydre dæklag (3) 5 består af to med hinanden coekstruderede lag (4, 5) af po-lyethylen eller en copolymer af ethylen og vinylacetat, hvoraf det indre er indfarvet og det ydre er transparent, og at der mellem dette coekstruderede dæklag (3) og midterlaget (1) af aluminium er anordnet et mellemlag (2), f.eks. 10 af en copolymer af ethylen/acrylsyre, der forbinder midterlaget og det ydre dæklag med hinanden.Composite film, especially for the manufacture of containers, with a middle layer of aluminum and two plastic coatings, characterized in that the outer covering layer (3) 5 consists of two co-extruded layers (4, 5) of polyethylene or a copolymer of ethylene and vinyl acetate, the interior of which is colored in and the exterior transparent, and that an intermediate layer (2) is arranged between this co-extruded cover layer (3) and the middle layer (1) of aluminum. 10 of a copolymer of ethylene / acrylic acid connecting the middle layer and the outer covering layer. 2. Sammensat folie ifølge krav 1, kendetegnet ved, at det indre dæklag (8) består af to med hinanden coekstruderede lag (9, 10) af polyethylen eller en σόι 5 polymer af ethylen, og vinylacetat, der via et mellemlag (6), f.eks. af en copolymer af ethylen/acrylsyre, er forbundet med midterlaget (1) af aluminium. 20 25 30 35Composite film according to claim 1, characterized in that the inner cover layer (8) consists of two co-extruded layers (9, 10) of polyethylene or a σόι 5 polymer of ethylene and vinyl acetate which via an intermediate layer (6) , eg. of a copolymer of ethylene / acrylic acid, is joined to the middle layer (1) of aluminum. 20 25 30 35
DK255586A 1985-05-31 1986-05-30 COMPOSITE FILM DK162591C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19853519461 DE3519461A1 (en) 1985-05-31 1985-05-31 COMPOSITE FILM
DE8515889U DE8515889U1 (en) 1985-05-31 1985-05-31 Composite film
DE8515889 1985-05-31
DE3519461 1985-05-31

Publications (4)

Publication Number Publication Date
DK255586D0 DK255586D0 (en) 1986-05-30
DK255586A DK255586A (en) 1986-12-01
DK162591B true DK162591B (en) 1991-11-18
DK162591C DK162591C (en) 1992-04-06

Family

ID=37847042

Family Applications (1)

Application Number Title Priority Date Filing Date
DK255586A DK162591C (en) 1985-05-31 1986-05-30 COMPOSITE FILM

Country Status (6)

Country Link
EP (1) EP0203612B1 (en)
DE (2) DE3519461A1 (en)
DK (1) DK162591C (en)
ES (1) ES296795Y (en)
NO (1) NO862160L (en)
PT (1) PT82663B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5756171A (en) * 1992-12-22 1998-05-26 Kabushiki Kaisha Hosokawa Yoko Laminate film and method of producing the same
FR2704480B1 (en) * 1993-04-28 1996-02-02 Hosokawa Yoko Kk LAMINATE FILM AND ITS MANUFACTURING METHOD AS WELL AS A CONTAINER OBTAINED FROM SUCH A LAMINATE FILM.
WO2003051745A1 (en) 2001-12-14 2003-06-26 Huhtamaki Ronsberg Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Packaging and sealing tool for production thereof
AU2003273859B2 (en) * 2002-11-15 2007-03-29 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co.Kg Multilayered laminate for tubes and other similar film-type packagings with an embedded barrier layer
US7364047B2 (en) 2004-05-27 2008-04-29 Zweigniederlassung Der Huhtamaki Deutschaland, Gmbh & Co. Kg Tubular, especially can-shaped, receptacle for the accommodation of fluids, a method of manufacture, and use
DE102005006827A1 (en) 2004-11-04 2006-05-24 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Process for producing a bottle-like or hose-like container, in particular a tubular bag, with a sealed bottom and a correspondingly produced tubular bag
DE202004021343U1 (en) 2005-04-18 2007-10-25 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Printed carrier substrate
DE102007027873B4 (en) * 2007-05-18 2019-08-01 Huhtamaki Flexible Packaging Germany Gmbh & Co. Kg Multilayer laminate for tubes with embedded aluminum layer, method of manufacture and tube made therefrom

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347419A (en) * 1965-01-21 1967-10-17 American Can Co Collapsible dispensing tube
JPS5230028B2 (en) * 1973-02-02 1977-08-05
DE2403034A1 (en) * 1974-01-23 1975-08-07 Victor Metal Products Corp Six-ply, laminate, collapsible, container - made of polyolefin, ethylene-acrylic acid copolymer, aluminium foil, and polyacrylic acid components
JPS5689518A (en) * 1979-12-21 1981-07-20 Toyo Ink Mfg Co Ltd Production of laminate
US4363841A (en) * 1981-12-28 1982-12-14 Champion International Corporation Laminated packaging material

Also Published As

Publication number Publication date
PT82663B (en) 1988-08-17
DK255586D0 (en) 1986-05-30
EP0203612A2 (en) 1986-12-03
NO862160L (en) 1986-12-01
DE3519461A1 (en) 1986-12-04
ES296795Y (en) 1988-11-01
DK255586A (en) 1986-12-01
EP0203612A3 (en) 1988-06-08
EP0203612B1 (en) 1991-01-16
ES296795U (en) 1988-02-01
PT82663A (en) 1986-06-01
DK162591C (en) 1992-04-06
DE3519461C2 (en) 1990-12-13
DE8515889U1 (en) 1986-09-25

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