WO2015197164A1 - Verfahren zur laminatherstellung - Google Patents
Verfahren zur laminatherstellung Download PDFInfo
- Publication number
- WO2015197164A1 WO2015197164A1 PCT/EP2015/001195 EP2015001195W WO2015197164A1 WO 2015197164 A1 WO2015197164 A1 WO 2015197164A1 EP 2015001195 W EP2015001195 W EP 2015001195W WO 2015197164 A1 WO2015197164 A1 WO 2015197164A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- impregnate
- impregnated
- liquid medium
- melamine resin
- Prior art date
Links
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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/51—Triazines, e.g. melamine
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
- D21H17/08—Isocyanates
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/26—Aminoplasts
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
- D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
Definitions
- the invention relates to a process for producing an impregnate having a cellulose layer which is impregnated with a melamine resin to form a core impregnation.
- Impregnates are used in particular as precursors in the production of laminates.
- Laminates are used, for example, in the wood-based panel industry for coating wood-based panels.
- the cellulose layer is impregnated with a melamine resin which is thermally curable, so that the impregnate can be pressed with a wood-based panel or other impregnates, in particular special papers or kraft papers.
- the finished impregnate is thus first of all a precursor which is directly pressed onto the wood-based panel to be coated, for example a chipboard or medium-density or high-density fiberboard (MDF, HDF), in one or more layers. After pressing, a chemically, thermally and mechanically highly resistant coating is obtained.
- the impregnate can be pressed either in a short-cycle or in a continuous process with the wood-based panel.
- CONFIRMATION COPY Excess water and / or solvents to evaporate to a defined residual moisture and to obtain a dry, storage-stable and machinable impregnate. At the end of the impregnation channel, the continuously running impregnate is either cut into sheets or wound into a roll.
- the known melamine resin-based laminate floors are hard due to this coating, are perceived as cold, and create when walking a perceived as disturbing room sound.
- WO 2011/082491 A1 describes the use of a water-dilutable polyurethane for the production of impregnated overlays, decorative papers, underlays and counterwebs.
- a water-dilutable polyurethane for the production of impregnated overlays, decorative papers, underlays and counterwebs.
- This relatively expensive polyurethane is used, which is about 10 to 15 more expensive than melamine resin. If an overlay is produced with this method, the cost of impregnation of the impregnate increases by a factor of 8 to 10. Since at least two impregnation channels are necessary, this impregnation can not be carried out on every impregnation plant.
- the invention is based, in particular, on the technical problem of modifying the lamination production technology known per se so that laminates with a warmer, softer and less noticeable coating are easy and safe to produce and, moreover, can easily be integrated into existing production processes. Furthermore, of course, the behavior towards mechanical stress such as shock or abrasion should not be degraded, but if possible even improved.
- a generic method is characterized in that at least on one side of the core-impregnated cellulose layer, ie on its upper side and / or its underside, a layer of a liquid medium is applied with a proportion of isocyanate groups.
- Isocyanate groups are highly reactive.
- the isocyanate groups according to the invention react either with the OH group of the ⁇ -cellulose in the Cellulose layer, with the NH group or the methylol group of the melamine resin of the core impregnation of the cellulose layer and therefore leads to a particularly effective anchoring on the surface of the core-impregnated cellulose layer.
- After subsequent compression of the impregnate on a carrier to form a laminate this results in a coating which is haptically warmer and softer than a melamine resin layer. In floor laminates produced in this way, this also leads to a noise reduction.
- the behavior against mechanical stress such as impact or abrasion is not deteriorated compared to conventional coatings.
- the liquid medium has a solids content of preferably 50% to 60%, with water as solvent.
- water in addition to water, organic solvents or additives are also possible, for example dispersants, release agents, wetting agents, defoamers. Drying of the liquid medium has a coating-forming effect.
- the liquid medium can also be designed with a 100% solids content, as a hotmelt.
- Hotmelt is heated before being applied to the core-impregnated cellulose layer and melted to a liquid. During the subsequent solidification, a layer is formed. The layer formation can be accelerated by active cooling. Hotmelt is applied either by means of a slit gland or a spray application.
- wear-inhibiting particles in particular corundum particles, are preferably either contained in the liquid medium and / or are sprayed onto the liquid medium, preferably before its layer formation.
- the liquid medium or the hotmelt is applied in an amount of 50 to 300 g / m 2 .
- at least one covering layer consisting of a UV varnish can be applied on the upper side, into which nanoparticles can also be mixed in order to further improve the micro-scratch resistance. It is also possible to admix antistatic agents and / or antibacterial agents.
- the melamine resin may be pure melamine resin. Preferably, however, it is formed as a mixture of melamine resin and urea resin.
- the impregnate can be used as overlay, backsheet, decorative paper and underlay.
- the impregnate may be present as a sheet or roll goods.
- the sole figure shows an impregnate with a cellulose layer 4, which can be used as decor paper, as an overlay, as a counter-pull and / or as an underlay.
- This impregnate may be in the form of sheets or rolls.
- the cellulose layer 4 is soaked in the core with a pure melamine resin or a melamine resin mixture of pure melamine resin and urea resin.
- the cellulose layer 4 can be pulled through a bath or the resin can be rolled or sprayed on.
- a one-sided impregnation by purging has proven to be particularly advantageous.
- the cellulose layer 4 can be removed with a knife blade. After drying the impregnated cellulose layer 4 to a defined residual moisture, no melamine resin layers 3, 5 are formed on its upper side O and its underside U, but the core impregnation fills the cellulose layer 4.
- a liquid medium containing isocyanate groups is applied.
- the liquid medium has a solids content of preferably 50% to 60%, with water as solvent.
- organic solvents or additives are also possible, for example dispersants, release agents, wetting agents, defoamers.
- the dispersion applied in an amount of 50 to 300 g / m 2 is then dried to a layer 2.
- a covering layer 1 comprising a UV varnish is applied to the upper side O of the layer 2.
- This UV varnish preferably contains nanoparticles 7 based on silica to increase the micro-scratch resistance.
- the liquid medium may contain wear-inhibiting particles 6, in particular corundum particles, which may be present which were mixed into the medium before application or which were sprinkled on the top O or bottom U after application.
- the hotmelt can additionally be applied to the underside U of the cellulose layer 4.
- the hotmelt is heated before application, becomes liquid and then forms a layer 2 with isocyanate groups automatically on cooling.
- wear-inhibiting particles 6, in particular corundum particles may have been admixed with the hotmelt or sprinkled on the top O of the liquid hotmelt after application.
- the amount of the applied dispersion or of the applied hotmelt is about 50 to 300 g / m 2 solid.
- the cover layer 1 may be added in addition to the nanoparticles 7 and antistatic agents and / or antibacterial agents. These agents may also be added to the liquid material or sprinkled onto the still liquid layer 1 after application.
- the product marketed by Kleiberit under the name PUR HC717.5 can be used as the hotmelt.
- the isocyanate groups in the hotmelt or in the dried dispersion are reactive and react with the OH group of the ⁇ -cellulose in the cellulose layer 4 and / or the methylol group of the melamine resin from the core-impregnated cellulose layer 4 to form a polyurethane and / or with the NH group to a urea derivative.
- the reaction with water to amine and further reaction with free isocyanate groups to urea derivatives is possible.
- an anchoring of the dried dispersion or the hot melt is achieved on the impregnate. This is a softer, yet wear-resistant compared to a conventional melamine resin layer. solid, haptic warmer and not so noticeable sound layer 2 formed.
- this impregnate is to be used as an overlay, it can be pressed on short-cycle presses in combination with conventional melamine resin-impregnated decorative papers and counterwebs. Because the isocyanate groups react with the melamine resin in the cellulose layer 4 and / or the ⁇ -cellulose in the cellulose layer 4, a composite of the individual layers sets in and via the melamine contained in the cellulose layer 4, the overlay with the other melaminharzim- connected to stamped papers.
- the cellulose layer 4 may be a paper, in particular a printed decorative paper.
- a structure synchronous with the decoration can be embossed into the covering layer 1.
- the engraved with the structure of press plates which are usually designed for a structure of melamine resin, can be used unchanged.
- the impregnate thus prepared can be pressed into a laminate with a wood-based panel, such as an MDF or HDF panel, other impregnates, and especially specialty or kraft papers.
- a wood-based panel such as an MDF or HDF panel
- Panels can be connected to each other and locked to each other.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580033360.4A CN106460345B (zh) | 2014-06-24 | 2015-06-15 | 用于层压体制造的方法 |
RU2016138723A RU2691045C2 (ru) | 2014-06-24 | 2015-06-15 | Способ изготовления ламината |
UAA201610054A UA121466C2 (uk) | 2014-06-24 | 2015-06-15 | Спосіб виготовлення ламіната |
CA2947058A CA2947058C (en) | 2014-06-24 | 2015-06-15 | Laminate production method |
US15/302,820 US10385512B2 (en) | 2014-06-24 | 2015-06-15 | Laminate production method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14002167.6A EP2960369A1 (de) | 2014-06-24 | 2014-06-24 | Verfahren zur Laminatherstellung |
EP14002167.6 | 2014-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015197164A1 true WO2015197164A1 (de) | 2015-12-30 |
Family
ID=50982745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/001195 WO2015197164A1 (de) | 2014-06-24 | 2015-06-15 | Verfahren zur laminatherstellung |
Country Status (7)
Country | Link |
---|---|
US (1) | US10385512B2 (de) |
EP (1) | EP2960369A1 (de) |
CN (1) | CN106460345B (de) |
CA (1) | CA2947058C (de) |
RU (1) | RU2691045C2 (de) |
UA (1) | UA121466C2 (de) |
WO (1) | WO2015197164A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108624242A (zh) * | 2018-05-23 | 2018-10-09 | 广东鹏美森木业科技有限公司 | 一种瓷砖快速粘贴胶及其制作方法 |
EP3686008B1 (de) * | 2019-01-23 | 2021-06-23 | Flooring Technologies Ltd. | Verfahren zur herstellung eines abrieb- und wasserfesten mehrlagigen paneels und ein mit diesem verfahren hergestelltes paneel |
EP3702172B1 (de) * | 2019-03-01 | 2022-04-20 | Flooring Technologies Ltd. | Verfahren zur herstellung eines mehrschichtigen, oberflächenstrukturierten paneels und ein mit diesem verfahren hergestelltes paneel |
CN112982033A (zh) * | 2021-03-22 | 2021-06-18 | 佛山市西钢装饰材料有限公司 | 一种复合三聚氰胺纸的卷材 |
BE1029240B1 (nl) * | 2021-03-24 | 2022-10-24 | Flooring Ind Ltd Sarl | Panelen en methode om panelen te produceren |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0081967A1 (de) * | 1981-12-11 | 1983-06-22 | Epsilon Development Limited | Herstellung von Mehrschichtstoffen |
DE3925451C1 (en) * | 1989-08-01 | 1990-09-06 | Th. Goldschmidt Ag, 4300 Essen, De | Decorative film of melamine-formaldehyde resin-coated paper - with outer coating of acrylate copolymer grafted with hardenable styrene-- or methacrylate-copolymer |
WO1993025384A1 (en) * | 1992-06-08 | 1993-12-23 | Weyerhaeuser Company | Laminated composites of polyurea-cellulose and methods for their manufacture |
US5716676A (en) * | 1992-10-29 | 1998-02-10 | Bayer Aktiengesellschaft | Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor |
WO2002008518A1 (de) * | 2000-07-21 | 2002-01-31 | Fritz Egger Gmbh & Co. | Imprägnat und verfahren zur herstellung und verwendung des imprägnats |
WO2009077561A1 (de) * | 2007-12-17 | 2009-06-25 | Technocell Dekor Gmbh & Co. Kg | Durch das ink-jet-verfahren bedruckbares, verpressfähiges dekorpapierimprägnat |
WO2009158251A1 (en) * | 2008-06-26 | 2009-12-30 | E. I. Du Pont De Nemours And Company | Paper laminates having improved easy clean and abrasion resistance properties |
WO2010088769A1 (en) * | 2009-02-03 | 2010-08-12 | Clausi Robert N | Sound attenuating laminate materials |
WO2011082491A1 (en) * | 2010-01-07 | 2011-07-14 | Clausi Robert N | Resilient flooring compositions |
EP2743094A1 (de) * | 2012-12-12 | 2014-06-18 | Flooring Technologies Ltd. | Verfahren zur Herstellung einer mit einer Dekorschicht versehenen Werkstoffplatte |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3928706A (en) * | 1973-06-25 | 1975-12-23 | Formica Int | Wear-resistant decorative laminates and methods for producing same |
US6375788B1 (en) * | 1996-07-16 | 2002-04-23 | Premark Rwp Holdings, Inc. | Method of coating melamine resin on laminating paper |
DE50208771D1 (de) * | 2002-01-22 | 2007-01-04 | Thermopal Gmbh | Verfahren und Vorrichtung zum Imprägnieren von dünnen Schichten mit härtbaren Flüssigkeiten |
KR200324825Y1 (ko) * | 2003-05-06 | 2003-08-27 | 주식회사 엘지화학 | 고압수지 주입 천연 무늬목을 기재층에 적층한 방음기능강화마루 |
DE102011080300A1 (de) * | 2011-08-02 | 2013-02-07 | Surface Technologies Gmbh & Co. Kg | Verfahren zur Herstellung einer dekorierten Wand-, Decken- oder Fußbodenplatte |
-
2014
- 2014-06-24 EP EP14002167.6A patent/EP2960369A1/de active Pending
-
2015
- 2015-06-15 RU RU2016138723A patent/RU2691045C2/ru active
- 2015-06-15 US US15/302,820 patent/US10385512B2/en active Active
- 2015-06-15 CA CA2947058A patent/CA2947058C/en active Active
- 2015-06-15 UA UAA201610054A patent/UA121466C2/uk unknown
- 2015-06-15 WO PCT/EP2015/001195 patent/WO2015197164A1/de active Application Filing
- 2015-06-15 CN CN201580033360.4A patent/CN106460345B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0081967A1 (de) * | 1981-12-11 | 1983-06-22 | Epsilon Development Limited | Herstellung von Mehrschichtstoffen |
DE3925451C1 (en) * | 1989-08-01 | 1990-09-06 | Th. Goldschmidt Ag, 4300 Essen, De | Decorative film of melamine-formaldehyde resin-coated paper - with outer coating of acrylate copolymer grafted with hardenable styrene-- or methacrylate-copolymer |
WO1993025384A1 (en) * | 1992-06-08 | 1993-12-23 | Weyerhaeuser Company | Laminated composites of polyurea-cellulose and methods for their manufacture |
US5716676A (en) * | 1992-10-29 | 1998-02-10 | Bayer Aktiengesellschaft | Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor |
WO2002008518A1 (de) * | 2000-07-21 | 2002-01-31 | Fritz Egger Gmbh & Co. | Imprägnat und verfahren zur herstellung und verwendung des imprägnats |
WO2009077561A1 (de) * | 2007-12-17 | 2009-06-25 | Technocell Dekor Gmbh & Co. Kg | Durch das ink-jet-verfahren bedruckbares, verpressfähiges dekorpapierimprägnat |
WO2009158251A1 (en) * | 2008-06-26 | 2009-12-30 | E. I. Du Pont De Nemours And Company | Paper laminates having improved easy clean and abrasion resistance properties |
WO2010088769A1 (en) * | 2009-02-03 | 2010-08-12 | Clausi Robert N | Sound attenuating laminate materials |
WO2011082491A1 (en) * | 2010-01-07 | 2011-07-14 | Clausi Robert N | Resilient flooring compositions |
EP2743094A1 (de) * | 2012-12-12 | 2014-06-18 | Flooring Technologies Ltd. | Verfahren zur Herstellung einer mit einer Dekorschicht versehenen Werkstoffplatte |
Also Published As
Publication number | Publication date |
---|---|
US10385512B2 (en) | 2019-08-20 |
CN106460345A (zh) | 2017-02-22 |
UA121466C2 (uk) | 2020-06-10 |
CA2947058C (en) | 2023-10-03 |
US20170096776A1 (en) | 2017-04-06 |
RU2016138723A (ru) | 2018-07-24 |
EP2960369A1 (de) | 2015-12-30 |
RU2691045C2 (ru) | 2019-06-07 |
RU2016138723A3 (de) | 2018-11-06 |
CA2947058A1 (en) | 2015-12-30 |
CN106460345B (zh) | 2019-04-19 |
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