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EP2947235A1 - Verkleidungselement und verfahren zur herstellung des verkleidungselements - Google Patents

Verkleidungselement und verfahren zur herstellung des verkleidungselements Download PDF

Info

Publication number
EP2947235A1
EP2947235A1 EP15168979.1A EP15168979A EP2947235A1 EP 2947235 A1 EP2947235 A1 EP 2947235A1 EP 15168979 A EP15168979 A EP 15168979A EP 2947235 A1 EP2947235 A1 EP 2947235A1
Authority
EP
European Patent Office
Prior art keywords
process according
printing
printable material
image
finishing
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.)
Withdrawn
Application number
EP15168979.1A
Other languages
English (en)
French (fr)
Inventor
Emilio Menini
Paolo Carpigiani
Mario Russo
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.)
Studiograph Print & Service Srl
Original Assignee
Studiograph Print & Service Srl
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 Studiograph Print & Service Srl filed Critical Studiograph Print & Service Srl
Publication of EP2947235A1 publication Critical patent/EP2947235A1/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/18—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of organic plastics with or without reinforcements or filling materials or with an outer layer of organic plastics with or without reinforcements or filling materials; plastic tiles
    • E04F13/185—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of organic plastics with or without reinforcements or filling materials or with an outer layer of organic plastics with or without reinforcements or filling materials; plastic tiles with an outer layer imitating natural stone, brick work, tiled surface or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers

Definitions

  • the present invention refers in general to a finishing element and to a process for the realization of said finishing element. More particularly, the present invention refers to a finishing element to be used, for example, in the building sector, in the furniture industry, in the field of advertising and more and to a process for the realization of said finishing element.
  • covering elements made of a vitreous or ceramic material, for example to cover the walls of bathrooms or other areas.
  • Said finishing and / or covering elements can be colored or decorated to improve their final appearance.
  • finishing and / or covering elements are made of plaster, ceramic or glass, their weight is heavy, which makes it difficult the displacement and the application on the surfaces of destination thus complicating the fixing operations.
  • finishing and / or covering elements are often made of heavy and fragile materials, said elements are subject to easy breakage and can cause damage to objects or people coming into contact with these materials in emergency situations.
  • VOCs volatile organic compounds
  • An object of the present invention is to realize a finishing element that is able to overcome the problems of the finishing and / or covering elements of the prior art and to overcome the problems of the relevant known processes used for their realization.
  • Another object of the invention is to realize a finishing element that is lightweight and easy to use.
  • Another object of the invention is to provide a process for the realization of a finishing element that is respectful of the environment.
  • the presence of the printable material allows to greatly improve the printing performance and to obtain special visual effects that, if necessary, can also deceive the human eye.
  • the weight of the finishing element is much lower than that which would be obtained using only the printable material.
  • the lightweight material used to realize the block may have a density less than 35 kilograms per cubic meter so as to obtain finishing elements that have very reduced total weights.
  • the lightweight material may be polyester foam because this material is easily recyclable, non-flammable and insulating.
  • the printable material may be a mixture of acrylic resins, silica sands, anti-mold agents, viscosity maintainers, releasing oxides in aqueous dispersion.
  • an acrylic-based paint may be applied on the printable material so as to improve the color rendering of the printing.
  • the acrylic-based paint may comprise a dispersion of alkali-resistant acrylic resins having a high compatibility with lime-cement-based plasters.
  • the printing of the predetermined image may be carried out by using a printer of digital technology using ultraviolet or UV rays and the image may be an image of high resolution or a realistic image so that the human eye is not able to distinguish the image reproduced on the printable material from the object represented on the image itself.
  • the semi-finished product is coated, at least partially, with a paint in order to protect the print.
  • the paint is based on acrylic resins in aqueous dispersion and waxes, is not flaking and is odorless.
  • the process may comprise the step of inserting a stiffening element to obtain a greater resistance of the finishing element, for example a compression element.
  • a block 12 is used as raw material.
  • the block 12 is preferably made of a lightweight material, shaped as desired, and forms the starting base for the process in question.
  • the block 12 has a thickness included between 10 and 40 millimeters but obviously, it is also possible to operate with different thicknesses that may be lower or higher than the preferred thicknesses.
  • the block 12 is made of materials having a closed-cell structure, a characteristic that favors the thermal insulation. Obviously, also different materials may be used, even with an open cell structure.
  • EPS expanded polystyrene
  • the expanded polystyrene is preferably produced with special additives which reduce the water absorption of about 40%.
  • Said characteristic is obtained with both a partial immersion and a total immersion in long periods in respect to the conventional EPS (without additives) so as to make the material compatible for the parts coming into contact with the soil or having humidity problems.
  • a strong vapor permeability prevents the formation of mold and condensation. Its duration in the time makes the material easily recyclable. Moreover, since said material is devoid of nutrients, it is possible to avoid the growth of bacteria o other microorganisms.
  • the EPS is a material composed only by carbon atoms and hydrogen atoms.
  • a printable material 14 is applied on a face of the block 12 so as to obtain a surface that is more easily printable than the block on which the printable material is applied.
  • the printable material 14 is a resin but also another suitable material can be used for such purposes.
  • the resin used is a product for both internal and external use and is not toxic.
  • This resin is obtained by mixing acrylic resins, silica sands, anti-mold agents, viscosity maintainers, releasing oxides in aqueous dispersion.
  • the resin 14 is semifluid before the application so as it is possible to evenly apply a layer of the wished thickness on the entire surface of the block 12.
  • the preferred thickness of the resin application is 3 millimeters.
  • the resin is spread and applied by means of a plastering machine with compressed air at a pressure of 12bar. Besides, the application of the resin is done with two subsequent coats leaving a time of twelve hours between the first coat and the second coat.
  • the semi-finished product has a low impact on the ambient in compliance with the directive 2004/42/EC of European Parliament as concerns the limits of emission of volatile organic compounds (VOC).
  • the resin of the printable material 14 After the resin of the printable material 14 has been allowed to dry, the resin is treated with one or more coats of base paint, preferably a transparent acrylic gel varnish.
  • a dispersion of alkali-resistant acrylic resins is used which have a high compatibility with lime-cement-based plasters.
  • the application of the base varnish acts as a binder and allows to better consolidate the subsequent printing on the resin.
  • a printing 16 of an image or graphics through suitable printing means, preferably UV printers of digital technology including a drying with ultraviolet rays so as to obtain a very high quality in the images and graphics, personalized by request, as visible in Figure 3 which represents schematically the image of a wooden table.
  • suitable printing means preferably UV printers of digital technology including a drying with ultraviolet rays so as to obtain a very high quality in the images and graphics, personalized by request, as visible in Figure 3 which represents schematically the image of a wooden table.
  • Another example is obtained by using an image of a rusty steel plate through which it is possible to obtain a finishing element which is equivalent, at the sight, to the rusty steel plate from which the image has been obtained.
  • the UV printing colors used in the process according to the invention are printing heads with technology of 12 nanoliters, i.e. the millionth part of a liter.
  • dyestuffs are used without VOC (Volatile Organic Compounds) according to European standards (Directive 1999/13/EC).
  • VOC Volatile Organic Compounds
  • all the inks used are preferably in compliance with RoHS, do not include heavy metals, poisonous substances or corrosive substances. This peculiarity allows to obtain a product having a low level of CO 2 emissions. In this way, unlike the processes used in the prior art, it is possible to obtain a process which is respectful to ambient and man.
  • a step of final varnishing is described during which a layer of varnish is applied on the print of the preceding step. Said varnish may also be applied on all the remaining part of the materials of the semi-finished product. After the printing, the materials are thus finished with polishing varnishes or opaque varnishes or glazed varnishes according to the preferences and the final result to be obtained.
  • the varnishes used are preferably acrylic varnishes.
  • a wax-finishing showing an effect "pearl” is used on the base of acrylic resins in aqueous dispersion and waxes, said finishing being anti-exfoliation and odorless.
  • This process of final varnishing provides a finishing that ensures a high endurance in the outside, protects and capsules the prints in the rest of the finishing element. In this way, an only body is formed which has one or more layers of varnish.
  • step of final varnishing may be avoided or substituted by an equivalent step.
  • a finishing element according to the invention comprises in a non-limiting embodiment:
  • finishing element comprising a lightweight generic block, having preferably a density lower than 35 kg/m 3 (kilograms per cubic meter) and a layer of printable material on which an image is printed.
  • the process may comprise a step of inserting a stiffening element 18, as visible in Figures 4 and 5 , by interposing the same between the block 12 and the layer of printable material 14.
  • said stiffening element is a net made of a material which is more rigid than the block to which the stiffening element is coupled.
  • a preferable form for the net is made of a fiber glass of 160 grams per square meter, ladderproof and alkali resistant, which allows to make the finishing element still more resistant, stable in its applications and harder to scratch so that it is possible to obtain a greater resistance to shocks and compressions.
  • the finishing element consists especially of a block made of a lighter material than the materials used according to the prior art so that the finishing material becomes lighter and more manoeuvrable on the whole for the montage and the application on walls, ceilings and more.
  • the process according to the invention allows to realize also components of furniture such as parts of wardrobes or more, which maintain the outer appearance of an element made entirely or partially of the material represented in the printed image, the weight being clearly lower and the endurance being greater over the time.
  • An example of said application may be a wardrobe door, normally made of wood on the whole or at least coated on its outer portion, for example by framing the element so that this element is visible to whoever is using the wardrobe in question.
  • a wardrobe door is produced with an element according to the invention on which an image has been printed to represent the outer appearance of the wood used in the known wardrobe door, it is possible to obtain a door that maintains the wished appearance and is, at the same time, lighter than the known door and more stable over the time.
  • Other examples of application may be support planes of tables, chairs and more.
  • the used digital UV printing process allows to obtain also edges for the finishing element according to the invention because the print has a shade which is visible as the finishing element is moved away from the edge.
  • blocks of expanded material such as EPS allows to form a slightly irregular surface by using a hot wire cut. In this way, it is possible to obtain a rough surface to the touch.
  • each block coated with resin shows a unique appearance.
  • the result is excellent and is not affected by the superficial roughness thanks to the technology of digital UV print.
  • the product obtained by printing and varnished in the subsequent final varnishing step is still rough so that by the touch, the product gives a sensation of matter reminding the simulated material, i.e. the material represented in the printed image.
  • Said unevenness when desired, allows to obtain unique pieces, i.e. a product of a high quality, for example the quality of a hand-manufactured article but with a level of productiveness that is typical of the industrial production.
  • the process according to the invention allows to obtain, when desired, a simulation to the sight and touch of heavy materials, in products weighing much less, also of one or more orders of greatness.
  • the tests were performed in 600 hours, with cycles of 102 minutes of irradiation, alternated to 18 minutes of water spraying and irradiation.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP15168979.1A 2014-05-23 2015-05-22 Verkleidungselement und verfahren zur herstellung des verkleidungselements Withdrawn EP2947235A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITVR20140147 2014-05-23

Publications (1)

Publication Number Publication Date
EP2947235A1 true EP2947235A1 (de) 2015-11-25

Family

ID=51358021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15168979.1A Withdrawn EP2947235A1 (de) 2014-05-23 2015-05-22 Verkleidungselement und verfahren zur herstellung des verkleidungselements

Country Status (1)

Country Link
EP (1) EP2947235A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110712441A (zh) * 2018-07-13 2020-01-21 江苏扬中印刷有限公司 一种亚克力板的印刷方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001048333A1 (en) * 1999-12-23 2001-07-05 Perstorp Flooring Ab A process for the manufacturing of surface elements
EP2345545A1 (de) * 2010-01-13 2011-07-20 Kronoplus Technical AG Direkt bedruckte leichte Platte
EP2730429A1 (de) * 2012-11-07 2014-05-14 Akzenta Paneele + Profile GmbH Verfahren zur Herstellung eines dekorierten Wand- oder Bodenpaneels
WO2014179437A1 (en) * 2013-05-02 2014-11-06 Stone, Norman Multi-purpose tile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001048333A1 (en) * 1999-12-23 2001-07-05 Perstorp Flooring Ab A process for the manufacturing of surface elements
EP2345545A1 (de) * 2010-01-13 2011-07-20 Kronoplus Technical AG Direkt bedruckte leichte Platte
EP2730429A1 (de) * 2012-11-07 2014-05-14 Akzenta Paneele + Profile GmbH Verfahren zur Herstellung eines dekorierten Wand- oder Bodenpaneels
WO2014179437A1 (en) * 2013-05-02 2014-11-06 Stone, Norman Multi-purpose tile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110712441A (zh) * 2018-07-13 2020-01-21 江苏扬中印刷有限公司 一种亚克力板的印刷方法

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