EP0513155B1 - Mit metallischen schuppen oder metallisierten flocken versehene dekorfolie insbesondere zur herstellung von schichtstoffplatten - Google Patents

Mit metallischen schuppen oder metallisierten flocken versehene dekorfolie insbesondere zur herstellung von schichtstoffplatten Download PDF

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Publication number
EP0513155B1
EP0513155B1 EP19910903889 EP91903889A EP0513155B1 EP 0513155 B1 EP0513155 B1 EP 0513155B1 EP 19910903889 EP19910903889 EP 19910903889 EP 91903889 A EP91903889 A EP 91903889A EP 0513155 B1 EP0513155 B1 EP 0513155B1
Authority
EP
European Patent Office
Prior art keywords
sheet
fact
sheet according
metallized
flakes
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.)
Expired - Lifetime
Application number
EP19910903889
Other languages
English (en)
French (fr)
Other versions
EP0513155A1 (de
Inventor
Claude Perrin
Gilles Clerc
François Rivat
Philippe Ferrand
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.)
ArjoWiggins SAS
Original Assignee
ArjoWiggins SAS
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 ArjoWiggins SAS filed Critical ArjoWiggins SAS
Priority to AT91903889T priority Critical patent/ATE99604T1/de
Publication of EP0513155A1 publication Critical patent/EP0513155A1/de
Application granted granted Critical
Publication of EP0513155B1 publication Critical patent/EP0513155B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
    • B44C5/0484—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper containing metallic elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/14—Iridescent effects

Definitions

  • the invention relates to a decorative sheet usable for example for the manufacture of laminated panels, this sheet comprising metallic particles or metallized flakes.
  • This sheet can also be an overlay sheet.
  • the invention further relates to a composition for printing such a decorative sheet.
  • laminates have been used as materials in homes and commercial and industrial premises. Typical applications of such laminates are the surface coating of walls, table tops, furniture and the like.
  • the so-called high pressure laminates are produced from a core consisting of sheets impregnated with resin.
  • the sheets are generally sheets of kraft paper which has been impregnated with a thermosetting resin and more particularly with a phenolic resin.
  • the sheets are dried, cut, then stacked on top of each other.
  • the number of sheets in the stack depends on the applications and can vary between 3 and 9, but can be higher.
  • a decorative sheet which is generally a sheet of paper bearing a printed or light-colored pattern, and impregnated with a thermosetting resin which does not blacken with heat, for example melamine-formaldehyde resins, benzoguanamine-formaldehyde resins, unsaturated polyester resins.
  • a protective cover sheet without a pattern and transparent in the laminate, is placed above the decorative sheet. final.
  • this protective sheet is called "over-lay”.
  • This overlay sheet is traditionally made by draining an aqueous suspension of unrefined cellulose fibers.
  • the stack of impregnated sheets is then placed in a press fitted with a sheet giving the surface condition. Then, the stack is densified by heating and pressing to obtain a unitary structure.
  • thermosetting resins are transformed into thermosetting form and an extremely hard material with a decorative effect is obtained.
  • So-called low pressure laminates are produced in a similar manner to that of high pressure laminates, but the decorative sheet is laminated directly on a particle board or any other basic support.
  • the decorative sheet is traditionally made in the following manner.
  • a sheet of paper is made by draining on a flat canvas an aqueous suspension of cellulose fibers, long and / or short, bleached, fillers, retention agents, binders.
  • the sheet thus formed is drained, pressed and dried to form a sheet of paper.
  • This sheet is then printed.
  • the impression usually made is a gravure printing, by means of engraved rollers.
  • the engraving technique consists in making a drawing, for example reproducing a wood or a purely fancy artistic drawing.
  • one to three separate and successive prints are made using one to three rollers.
  • Decorative sheets for laminate panels are already known which are printed using iridescent mineral pigments.
  • the decorative sheets have different colors depending on the viewing angle. Such sheets have been described in the French patent of the applicant FR-A-2,442,719.
  • the brightening agent consists of powder coated with titanium oxide.
  • This powder can for example be a metallic powder, mica, mother-of-pearl.
  • This brightening agent has a particle diameter of 10 to 60 micrometers. It is mentioned that if the particle size is greater than 60 micrometers, the micas suspended in the binder will tend to precipitate.
  • the surface of the powder is coated with titanium oxide by melting the titanium oxide.
  • the papers obtained according to this Japanese application therefore include relatively expensive products because they are not easy to obtain because of their small particle size which requires significant processing.
  • the method of coating by fusion of titanium oxide is not easy to implement.
  • DOW CHEMICAL British patent GB-1 107 341 describes a paper intimately containing a large number of iridescent plastic particles made up of several parallel layers of thermoplastic resins, two adjacent layers having different refractive indices. It is a decorative paper that is not specifically intended for laminates; it is neither mentioned that the particles are especially resistant to heat, solvents and light nor that it is possible to put a protective sheet without attenuating the iridescent effect.
  • the effects obtained with powders are uniform because the particles are spherical and of small particle size.
  • the powders according to the prior art due to their spherical shape and their small particle size have the disadvantages of settling easily and having a low covering power.
  • the particles are also subjected to high temperatures, of the order of about 160 ° C., during the stratification of the sheets.
  • laminates when in use, are often exposed to visible or artificial light for extended periods of time.
  • the applicant has described in French patent application FR-A-89 05541 a sheet intended to be subjected to the prolonged action of light, having a first shade with visible light of wavelength between 400 and 800 nanometers and a second shade different from the first, in artificial light with a wavelength less than 400 nanometers and greater than 800 nanometers; this print comprises at least one luminescent pigment.
  • the invention aims to overcome these drawbacks.
  • a first object of the invention is to provide a sheet usable for laminates, this sheet having metallic effects of various sizes, colors and shapes which can be chosen according to the desired decorative effects.
  • a second object of the invention is therefore to use shiny particles having a covering power greater than the powders usually used and difficult to settle.
  • a third object of the invention is to introduce the particles, either in bulk into the sheet, during its manufacture by a papermaking process for example, or by printing the sheet with an ink containing the particles, a binder and a solvent. of the binder. This is why it must be possible to use these particles in an aqueous medium and / or in a non-aqueous solvent medium; they must be non-reactive with the medium chosen.
  • a fourth object of the invention is to deposit the particles during the impregnation of thermosetting resin, this deposit being regular and homogeneous.
  • a fifth object of the invention is to obtain prints resistant to visible or non-visible light.
  • One means of the invention is to use metallic particles, or metallized flakes, which are resistant to water and / or to non-aqueous solvents, to heat and to visible or non-visible light.
  • particles obtained by cutting thin sheets can be used according to the invention. They can have very varied geometric shapes, for example a hexagon, rectangle, square, star shape. They can also have various sizes. The shinier effect will be better the larger the size.
  • the largest dimension of the metallized flakes is greater than 80 micrometers, more preferably at least equal to 100 micrometers.
  • the sheet made according to the invention could be used as a base sheet for carrying out the printing comprising luminescent pigments.
  • the invention provides a laminate sheet having a metallic effect decoration characterized in that it comprises metallic particles or metallized flakes which are not sensitive to water, resistant at least to a temperature of 100 ° C. and resistant to light, said particles or flakes being coated with a protective layer of varnish.
  • the metallized flakes used for the invention can be obtained by cutting a metallized plastic film.
  • the metal layer can be covered with a protective layer of varnish.
  • the metal used is preferably aluminum.
  • the film is preferably polyester.
  • the metal particles can also be obtained by cutting a highly polished aluminum sheet also covered with a protective layer of varnish.
  • This protective layer is preferably a varnish based on epoxy resin.
  • the sequins can have metallic tones, for example gold, silver, and be of a single or multicolored color.
  • These particles have a thickness of about ten micrometers; their shapes and sizes are varied.
  • the sheet used according to the invention is preferably based on cellulose fibers. It is possibly colored. It can contain non-cellulosic fibers, for example polyolefin fibers, polyester fibers.
  • the invention provides a laminate sheet, having a metallic effect decoration, for which said particles metallic or metallized can be incorporated during its manufacture.
  • the glitter can be added to the aqueous suspension containing the cellulose fibers, the mixture is then drained on a canvas, the sheet obtained is then pressed between cylinders and then dried.
  • the flakes or particles can be deposited during the impregnation of the sheet with a thermosetting resin by dusting or spraying when the impregnating resin is still liquid and therefore not thermoset.
  • the invention also provides a laminate sheet having a metallic effect for which the metallic particles or metallized flakes are applied to the sheet by heliographic printing of an ink containing said particles.
  • the sheets produced according to the invention can be impregnated with a thermosetting resin.
  • the invention also provides laminates comprising a decorative sheet having a metallic effect decoration due to metallic or metallized particles not sensitive to aqueous or non-aqueous solvents, resistant to temperatures above 100 ° C and resistant to light and comprising possibly a protective overlay sheet.
  • the invention also makes it possible to supply laminates comprising a decorative sheet having a metallic effect decoration comprising the metallic particles, metallized previously mentioned, this sheet being covered with an overlay sheet to protect it and which would also be decorated with previously mentioned particles. .
  • Another high pressure laminate is produced with the decorative sheet obtained according to Example 1 by adding to this sheet a 28 g / m2 overlay sheet impregnated with melamine resin.
  • the metallized particles chosen as well as the ink produced make it possible to manufacture a decorative sheet whose effect decorative metal is not attenuated by the presence of a protective overlay; the particles withstood the operating conditions well.
  • An overlay sheet according to the invention is produced. To an aqueous suspension of cellulose fibers, 15% by dry weight, based on the fibers, of flakes of polyester sheet metallized with aluminum and covered with an epoxy varnish is added. These sequins are multicolored.
  • the mixture is then used on a paper machine to form a sheet having a weight of 60 g / m2.
  • Example 1 a high pressure laminate is produced according to the technique described in Example 1 using a plain decor sheet of black color and the overlay sheet produced as above.
  • a laminate having a metallic effect is obtained.
  • This laminate is resistant to abrasion, the particles have a good resistance.
  • the pH is adjusted to 7 using sodium carbonate or calcium.
  • the sheet of paper is formed and dried. It is impregnated with a melamine formaldehyde resin.
  • a melamine formaldehyde resin We laminate as in the previous examples, with or without overlay.
  • a panel is obtained having the appearance of a metallic paint. This metallic appearance is as intense for the panel with overlay as for the panel without overlay.
  • a sheet is produced as in Example 5 but this sheet is printed after having dried it, to make a marble decoration. We impregnate and laminate as before.

Landscapes

  • Laminated Bodies (AREA)

Claims (14)

  1. Folie (Blatt, Bogen) für eine Schichtplatte (Schichtstoff), die ein Dekor mit Metalleffekt aufweist, dadurch gekennzeichnet, daß sie Metallteilchen oder metallisierte Blättchen enthält (umfaßt), die unempfindlich gegen Wasser und beständig gegenüber einer Temperatur von mindestens 100°C sowie gegenüber Licht sind, wobei die Teilchen oder Blättchen mit einer Firnis-Schutzschicht überzogen sind.
  2. Folie nach Anspruch 1, dadurch gekennzeichnet, daß die metallisierten Blättchen erhalten wurden durch Zerschneiden eines mit Aluminium metallisierten Kunststoffilms, der mit einer Firnis-Schutzschicht überzogen ist.
  3. Folie nach Anspruch 2, dadurch gekennzeichnet, daß es sich bei dem Kunststoffilm um einen Polyesterfilm handelt.
  4. Folie nach Anspruch 1, dadurch gekennzeichnet, daß die Metallteilchen erhalten wurden durch Zerschneiden einer hochpolierten Aluminiumfolie, die mit einer Firnis-Schutzschicht überzogen ist.
  5. Folie nach den Ansprüchen 2 bis 4, dadurch gekennzeichnet, daß es sich bei der Schutzschicht um einen Epoxy-Firnis handelt.
  6. Folie nach einem der Ansprüche 1, 3 und 5, dadurch gekennzeichnet, daß die größte Dimension der metallisierten Blättchen größer als 80 µm ist.
  7. Folie nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß es sich dabei um eine solche auf Basis von Cellulosefasern handelt und gegebenenfalls gefärbt ist.
  8. Folie nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Metallteilchen oder metallisierten Blättchen auf die Folie aufgebracht werden durch Heligravüre-Bedrucken mit einer Druckfarbe, welche die genannten Teilchen oder Blättchen enthält.
  9. Folie nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Metallteilchen oder metallisierten Blättchen bei der Herstellung dieser Folie unter Anwendung eines Papierherstellungsverfahrens in Masse in die Folie eingearbeitet worden sind.
  10. Folie nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß sie mit einem wärmehärtbaren Harz imprägniert ist.
  11. Folie nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die metallisierten Blättchen nach dem Imprägnieren und vor dem Wärmehärten des Harzes gleichmäßig darauf abgeschieden worden sind.
  12. Druckfarb-Zusammensetzung zum Heliogravüre-Bedrucken einer Folie nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß sie enthält (umfaßt):
    - mindestens metallisierte Blättchen, die gegenüber Wasser unempfindlich und gegenüber einer Temperatur von mindestens 100°C sowie gegenüber Licht beständig sind,
    - mindestens ein Vinyl- oder (Meth)Acrylsäure-Bindemittel und
    - mindestens ein alkoholisches Lösungsmittel.
  13. Druckfarb-Zusammensetzung zum Heliogravüre-Bedrucken einer Folie nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß sie enthält (umfaßt):
    - mindestens metallisierte Blättchen, die gegenüber Wasser unempfindlich und gegenüber einer Temperatur von mindestens 100°C sowie gegenüber Licht beständig sind,
    - mindestens ein wäßriges Bindemittel auf Basis von Casein,
    - mindestens ein Insolubilisierungsmittel und
    - mindestens ein Wasser/Alkohol-Lösungsmittel.
  14. Schichtplatte (Schichtstoff), die mindestens eine Dekor-Folie nach einem der Ansprüche 1 bis 11 und eine Overlay-Schutzfolie aufweist.
EP19910903889 1990-02-06 1991-02-05 Mit metallischen schuppen oder metallisierten flocken versehene dekorfolie insbesondere zur herstellung von schichtstoffplatten Expired - Lifetime EP0513155B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91903889T ATE99604T1 (de) 1990-02-06 1991-02-05 Mit metallischen schuppen oder metallisierten flocken versehene dekorfolie insbesondere zur herstellung von schichtstoffplatten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9001357A FR2657816B1 (fr) 1990-02-06 1990-02-06 Feuilles decoratives utilisables notamment pour la fabrication de panneaux stratifies et comprenant des paillettes metallisees ou en plastique irise.
FR9001357 1990-02-06

Publications (2)

Publication Number Publication Date
EP0513155A1 EP0513155A1 (de) 1992-11-19
EP0513155B1 true EP0513155B1 (de) 1994-01-05

Family

ID=9393427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910903889 Expired - Lifetime EP0513155B1 (de) 1990-02-06 1991-02-05 Mit metallischen schuppen oder metallisierten flocken versehene dekorfolie insbesondere zur herstellung von schichtstoffplatten

Country Status (7)

Country Link
EP (1) EP0513155B1 (de)
AU (1) AU651809B2 (de)
DE (1) DE69100943T2 (de)
DK (1) DK0513155T3 (de)
ES (1) ES2050535T3 (de)
FR (1) FR2657816B1 (de)
WO (1) WO1991012146A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2202091A1 (de) * 2008-12-23 2010-06-30 Basf Se Overlay mit Effektpartikeln

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266384A (en) * 1991-07-18 1993-11-30 Nevamar Corporation Aesthetic surface layer
US5466511A (en) * 1991-07-18 1995-11-14 Nevamar Corporation Coated transfer sheet and laminate produced therefrom
US5702806A (en) * 1991-07-18 1997-12-30 O'dell; Robin D. Decorative laminate surface layer
US5866208A (en) * 1991-07-18 1999-02-02 International Paper Company Process for producing aesthetic surface layer composition and aesthetic surface layer
FR2718997A1 (fr) * 1994-04-22 1995-10-27 Ober Ste Ind Procédé pour la réalisation de panneaux stratifiés à effet de marqueterie.
GB0031016D0 (en) 2000-12-20 2001-01-31 Alphafox Systems Ltd Security systems
FR2907808B1 (fr) * 2006-10-31 2009-01-16 Arjowiggins Soc Par Actions Si Feuille presentant un effet tactile et un effet interferentiel et document de securite la comportant
US8705805B2 (en) 2011-01-10 2014-04-22 Peter Alexander Forrest Secure portable token and systems and methods for identification and authentication of the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB469754A (en) * 1934-10-26 1937-07-26 Du Pont Improved compositions containing formamide
GB786667A (en) * 1955-06-09 1957-11-20 Rainbo Cel Inc Iridescent flake and material
GB1107341A (en) * 1966-01-21 1968-03-27 Dow Chemical Co Paper
US3785911A (en) * 1971-06-29 1974-01-15 Exxon Research Engineering Co Metallic appearing laminate
FR2442719A1 (fr) * 1978-06-19 1980-06-27 Arjomari Prioux Materiau stratifie comportant au moins une substance iridescente, son procede de preparation et son utilisation notamment dans le domaine de l'ameublement
US4769265A (en) * 1983-01-10 1988-09-06 Coburn Jr Joseph W Laminated decorative film and methods of making same
US4880689A (en) * 1985-10-18 1989-11-14 Formica Corporation Damage resistant decorative laminate
EP0352298B2 (de) * 1987-03-27 2001-03-21 Avery Dennison Corporation Trockenübertragungsverfahren zum aufbringen von farbe sowie erhaltenes produkt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2202091A1 (de) * 2008-12-23 2010-06-30 Basf Se Overlay mit Effektpartikeln

Also Published As

Publication number Publication date
DK0513155T3 (da) 1994-03-21
FR2657816B1 (fr) 1992-12-11
AU651809B2 (en) 1994-08-04
DE69100943D1 (de) 1994-02-17
WO1991012146A2 (fr) 1991-08-22
WO1991012146A3 (fr) 1991-10-03
DE69100943T2 (de) 1994-05-19
FR2657816A1 (fr) 1991-08-09
ES2050535T3 (es) 1994-05-16
AU7236591A (en) 1991-09-03
EP0513155A1 (de) 1992-11-19

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