EP0513155A1 - 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.Info
- Publication number
- EP0513155A1 EP0513155A1 EP19910903889 EP91903889A EP0513155A1 EP 0513155 A1 EP0513155 A1 EP 0513155A1 EP 19910903889 EP19910903889 EP 19910903889 EP 91903889 A EP91903889 A EP 91903889A EP 0513155 A1 EP0513155 A1 EP 0513155A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- sheet according
- particles
- metallized
- iridescent
- 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
Links
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
- this sheet comprising metallic or iridescent plastic 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 is then placed on the pile of sheets constituting the core, 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 of
- elamine-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 bleached, long and / or short cellulose fibers, 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. Then we take the photograph of this drawing and from the films obtained, we engrave one or more printing rollers. Each cylinder then passes through an ink bath, and the indentations or imprints engraved in the cylinder are filled with ink which is then transferred to the paper. Generally 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 due to the small particle size Terur 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 subjected to natural or artificial light for extended periods.
- the applicant has described in French patent application FR-A-8905541 a sheet intended to be subjected to the prolonged action of light, having a first shade in natural 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 or iridescent 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. r
- 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 natural or artificial light.
- One means of the invention is to use metallic, metallized, shiny and / or iridescent particles which are resistant to water and / or to non-aqueous solvents, to heat and to natural or artificial 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. Preferably, the largest particle size 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 sheet for laminate having a metallic or iridescent effect decoration characterized in that it comprises metallic or metallized or iridescent plastic particles not sensitive to aqueous or non-aqueous solvents, resistant to temperatures above 100 ° C and resistant to light.
- the metallic or metallized particles used for the invention can be obtained by cutting a metallized plastic film.
- the metal layer can be covered with a protective layer.
- the metal used is preferably aluminum.
- the film is preferably polyester.
- the particles can also be obtained by cutting a highly polished aluminum sheet also covered with a protective layer.
- 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.
- the iridescent plastic particles used for the invention are obtained by cutting a complex consisting of a stack of plastic films of controlled thickness, the refractive indices of two adjacent films being different.
- the complex may for example be a stack of either polyester and polymethyl methacrylate films, or of polymethyl methacrylate, polyester and polyolefin films, or of polyolefin and polyester films.
- the sequins have a color which varies according to the angle of incidence of the light, which makes it possible to obtain very decorative pearly / iridescent effects.
- 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 or iridescent effect decoration, for which said metallic or metallized or iridescent plastic particles 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. We can print this sheet to achieve a classic decor (faux wood , faux marble, etc.); the decor is enhanced by the metallic effect of the support sheet.
- the 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 thermally hardened.
- the invention also provides a laminate sheet having a metallic or iridescent effect for which the metallic or metallized or iridescent plastic particles 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 provides an ink composition for heliographic printing of a laminate sheet having a metallic or iridescent effect decoration, characterized in that it comprises: - at least metallic or metallized or iridescent plastic particles not sensitive to aqueous or non-aqueous solvents, resistant to temperatures above 100 ° C and resistant to natural or artificial light - at least one vinyl or (meth) acrylic binder
- This solvent can be an alcohol, water or a water-alcohol mixture.
- This ink may contain rheology regulating agents.
- the invention also provides another ink composition which comprises:
- the invention also provides laminates comprising a decorative sheet having a decoration with metallic or iridescent effect due to metallic or metallized particles or in iridescent plastic not sensitive to aqueous or non-aqueous solvents, resistant to temperatures above 100 ° C. and resistant to light and possibly including a protective overlay sheet.
- the invention also makes it possible to provide laminates comprising a decorative sheet having a metallic or iridescent effect decoration comprising the metallic, metallized or iridescent particles mentioned above, this sheet being covered with an overlay sheet to protect it and which would also be decorated with previously mentioned particles.
- a decorative sheet having a metallic or iridescent effect decoration comprising the metallic, metallized or iridescent particles mentioned above, this sheet being covered with an overlay sheet to protect it and which would also be decorated with previously mentioned particles.
- a heliographic ink is produced by mixing:. metallized particles: 5 glitter parts of metallized polyester sheet with epoxy protective varnish, silver in color, dimensions 100x100x12 ⁇ m manufactured by DRAGON-WER, marketed by CHEMILAB ESSOR
- a binder 65 parts vinyl varnish sold by SICPA (at 15% dry weight)
- This sttf * mixture is applied to a sheet of 80 g / m2 paper, black in color, by gravure printing. About 3 g / m2 (by dry weight) of flakes were deposited.
- a decorative sheet is obtained having a decor with a metallic effect.
- Another high pressure laminate is produced with the decorative sheet obtained according to Example 1 by adding to this sheet an overlay sheet of 28 g / m2 impregnated with melamine resin.
- the metallized particles chosen as well as the ink produced make it possible to manufacture a decorative sheet whose metallic decorative effect is not attenuated by the presence of a protective overlay; the particles withstood the operating conditions well.
- a heliographic ink is produced by mixing:. metallized particles: 4 glitter parts of metallized polyester sheet with epoxy protective varnish, silver color dimensions 100x100x12 ⁇ m manufactured by DRAG0N-WERK, marketed by CHEMILAB ESSOR
- a binder 87 parts aqueous varnish based on casein marketed by SICPA (at 13% of dry weight)
- This mixture is applied to a sheet of 80 g / m2 paper, black in color, by gravure printing. About 3 g / m2 (by dry weight) of flakes were deposited.
- a layer of protective varnish can be deposited, composed of the same constituents as the above ink but without the glitter. A decorative sheet is obtained having a decor with a metallic effect.
- This sheet is used to make a high pressure laminate without overlay as in Example 1.
- EXAMPLE 4 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 / m 2 .
- 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 with an iridescent effect is obtained.
- This laminate is resistant to abrasion, the particles have a good resistance.
- a laminate paper is made from a suspension of cellulose fibers to which we add:
- 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)
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 true EP0513155A1 (de) | 1992-11-19 |
EP0513155B1 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) |
Families Citing this family (9)
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 |
DE102008063020A1 (de) * | 2008-12-23 | 2010-06-24 | Basf Se | Overlay mit Effekten |
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)
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 |
-
1990
- 1990-02-06 FR FR9001357A patent/FR2657816B1/fr not_active Expired - Fee Related
-
1991
- 1991-02-05 WO PCT/FR1991/000084 patent/WO1991012146A2/fr active IP Right Grant
- 1991-02-05 DK DK91903889T patent/DK0513155T3/da active
- 1991-02-05 DE DE69100943T patent/DE69100943T2/de not_active Expired - Fee Related
- 1991-02-05 EP EP19910903889 patent/EP0513155B1/de not_active Expired - Lifetime
- 1991-02-05 AU AU72365/91A patent/AU651809B2/en not_active Ceased
- 1991-02-05 ES ES91903889T patent/ES2050535T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9112146A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP0513155B1 (de) | 1994-01-05 |
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 |
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