EP0703009A1 - Revêtement multicouche métallisé et son procédé de fabrication - Google Patents

Revêtement multicouche métallisé et son procédé de fabrication Download PDF

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Publication number
EP0703009A1
EP0703009A1 EP95112469A EP95112469A EP0703009A1 EP 0703009 A1 EP0703009 A1 EP 0703009A1 EP 95112469 A EP95112469 A EP 95112469A EP 95112469 A EP95112469 A EP 95112469A EP 0703009 A1 EP0703009 A1 EP 0703009A1
Authority
EP
European Patent Office
Prior art keywords
primer
metallization
layer
composite
base material
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.)
Granted
Application number
EP95112469A
Other languages
German (de)
English (en)
Other versions
EP0703009B1 (fr
Inventor
Wolfgang Dr. Brickenkamp
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.)
Novelis Deutschland GmbH
Original Assignee
Alcan Deutschland GmbH
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 Alcan Deutschland GmbH filed Critical Alcan Deutschland GmbH
Publication of EP0703009A1 publication Critical patent/EP0703009A1/fr
Application granted granted Critical
Publication of EP0703009B1 publication Critical patent/EP0703009B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/02—Metal coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B05D5/067—Metallic effect
    • B05D5/068—Metallic effect achieved by multilayers

Definitions

  • the present invention relates to a method for producing a metallized composite and a metallized composite.
  • certain goods such as cigarettes, coffee or the like, are usually packaged in a composite which comprises aluminum and plastic films or also paper.
  • the aluminum foil which has a water vapor permeability of approximately 0 g / m2 ⁇ d, acts as a barrier for gases and moisture.
  • the water vapor permeability of such a composite is around 40-100 g / m2 ⁇ d (measured in accordance with DIN 53122), which is, however, not sufficient for many applications since, for example, for aromatic packaging of cigarettes and coffee, a water vapor permeability of ⁇ 2 g / m2 ⁇ d is required.
  • barrier coatings include, for example, latex dispersions with additions of pigments and polymers with a basis weight of approximately 18-20 g / m 2.
  • barrier coatings as well as a primer layer, a metallization layer and a topcoat are then applied to this base paper, which should ensure the required water vapor permeability of ⁇ 2 g / m 2 ⁇ d.
  • the composites provided with barrier coatings are very expensive compared to the composites with aluminum foil.
  • the required low water vapor permeability of almost 0 g / m2 ⁇ d is achieved in that the coating processes known per se, primer and metallization are carried out twice. As has been found, an excellent barrier effect is achieved by applying a second primer and a second metallization to the first primer layer.
  • the composite material according to the invention is ecologically harmless and not cost-intensive.
  • a paper is known from JP-52012311, which is provided with an aluminum metallization.
  • the base paper is coated with a 15 ⁇ m thick polyethylene film that is rolled.
  • a corona discharge increases the surface energy of the polyethylene film and then the film is metallized with aluminum.
  • the base material can be paper or plastic film. Since the base material does not require any special barrier coatings due to the structure according to the invention, customary, inexpensive paper or customary plastic film can be used.
  • the basis weights or layer thicknesses specified in claim 5 can be provided.
  • Such a composite results in a water vapor permeability ⁇ 2 g / m2 ⁇ d.
  • the total amount of primer and top coat applied is less than 5 g / m2. This is a significant advantage compared to the total application quantity of 20-25 g / m2 with the conventional solutions, since this makes the material easier to recycle.
  • the composite according to the invention Due to the extremely low water vapor permeability of the composite according to the invention, it can be used particularly well for packaging products containing aromas, gases or moisture.
  • the figure shows a partially sectioned cross section through a composite according to the invention.
  • the composite shown in the figure consists of a base material 10 in the form of conventional coated paper with a basis weight of 50 g / m2.
  • a first primer 12 in the form of a coating of primer lacquer with a basis weight of 1.8 g / m 2 is applied to the base material 10.
  • a first metallization 14 with a layer thickness of 300 ⁇ is evaporated onto the first primer 12.
  • a second primer 16 is applied from a primer with a basis weight of 1.8 g / m2.
  • a second metallization 18 with a layer thickness of 300 ⁇ is in turn evaporated onto the second primer 16.
  • a cover layer 20 in the form of a top coat with a basis weight of 1.0 g / m 2 is applied to the second metallization 18.
  • the water vapor permeability of this composite is ⁇ 2 g / m2 ⁇ d.
  • the material of the base coat and that of the top coat is a nitrocellulose paint.
  • the metallization consists of aluminum.

Landscapes

  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Physical Vapour Deposition (AREA)
EP95112469A 1994-09-16 1995-08-08 Revêtement multicouche métallisé et son procédé de fabrication Expired - Lifetime EP0703009B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4433081 1994-09-16
DE4433081 1994-09-16

Publications (2)

Publication Number Publication Date
EP0703009A1 true EP0703009A1 (fr) 1996-03-27
EP0703009B1 EP0703009B1 (fr) 1999-10-27

Family

ID=6528430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95112469A Expired - Lifetime EP0703009B1 (fr) 1994-09-16 1995-08-08 Revêtement multicouche métallisé et son procédé de fabrication

Country Status (7)

Country Link
EP (1) EP0703009B1 (fr)
AT (1) ATE185986T1 (fr)
DE (1) DE59507132D1 (fr)
DK (1) DK0703009T3 (fr)
ES (1) ES2139793T3 (fr)
GR (1) GR3032446T3 (fr)
PT (1) PT703009E (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2368140A (en) * 1941-02-05 1945-01-30 Reddir Inc Package and wrapper
DE1225939B (de) 1963-11-16 1966-09-29 Leybold Hochvakuum Anlagen Verfahren zur Herstellung einer aus mehreren Lagen zusammengesetzten duennen Schicht durch Hochvakuumbedampfung
US3463659A (en) * 1965-10-22 1969-08-26 Oxford Paper Co Vacuum metallized paper
DE1546897A1 (de) * 1964-09-21 1970-10-22 Dow Chemical Co Geschichtetes Papiermaterial
JPS5212311A (en) 1975-07-15 1977-01-29 Toppan Printing Co Ltd Alminium vapor deposited paper
DE3017713A1 (de) 1980-05-08 1981-11-12 Siemens AG, 1000 Berlin und 8000 München Verfahren zur fortlaufenden beschichtung von kunststoffolien mit metallschichten
EP0062967A2 (fr) * 1980-02-08 1982-10-20 Transfer Print Foils, Inc Méthode de production d'une feuille ou d'un carton métallisé brillant
DE3913014A1 (de) * 1988-07-14 1990-01-18 Stanley Works Beschichteter gegenstand mit metallischem aussehen und verfahren zu seiner herstellung
US5284679A (en) * 1992-11-16 1994-02-08 Davidson Textron Inc. Method for making bright trim articles
US5290625A (en) * 1992-05-22 1994-03-01 Davidson Textron Inc. System for making bright aluminum parts

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2368140A (en) * 1941-02-05 1945-01-30 Reddir Inc Package and wrapper
DE1225939B (de) 1963-11-16 1966-09-29 Leybold Hochvakuum Anlagen Verfahren zur Herstellung einer aus mehreren Lagen zusammengesetzten duennen Schicht durch Hochvakuumbedampfung
DE1546897A1 (de) * 1964-09-21 1970-10-22 Dow Chemical Co Geschichtetes Papiermaterial
US3463659A (en) * 1965-10-22 1969-08-26 Oxford Paper Co Vacuum metallized paper
JPS5212311A (en) 1975-07-15 1977-01-29 Toppan Printing Co Ltd Alminium vapor deposited paper
EP0062967A2 (fr) * 1980-02-08 1982-10-20 Transfer Print Foils, Inc Méthode de production d'une feuille ou d'un carton métallisé brillant
DE3017713A1 (de) 1980-05-08 1981-11-12 Siemens AG, 1000 Berlin und 8000 München Verfahren zur fortlaufenden beschichtung von kunststoffolien mit metallschichten
DE3913014A1 (de) * 1988-07-14 1990-01-18 Stanley Works Beschichteter gegenstand mit metallischem aussehen und verfahren zu seiner herstellung
US5290625A (en) * 1992-05-22 1994-03-01 Davidson Textron Inc. System for making bright aluminum parts
DE4325574A1 (de) * 1992-05-22 1995-02-02 Davidson Textron Inc Glänzendes, dekoratives Aluminiumbauteil und Verfahren zu seiner Herstellung
US5284679A (en) * 1992-11-16 1994-02-08 Davidson Textron Inc. Method for making bright trim articles

Also Published As

Publication number Publication date
PT703009E (pt) 2000-04-28
ES2139793T3 (es) 2000-02-16
DE59507132D1 (de) 1999-12-02
EP0703009B1 (fr) 1999-10-27
DK0703009T3 (da) 1999-12-27
ATE185986T1 (de) 1999-11-15
GR3032446T3 (en) 2000-05-31

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