EP3405613A1 - Matériau en papier à effet métallique nacré présentant une résistance élevée à la lumière et procédé de fabrication associé - Google Patents
Matériau en papier à effet métallique nacré présentant une résistance élevée à la lumière et procédé de fabrication associéInfo
- Publication number
- EP3405613A1 EP3405613A1 EP17702618.4A EP17702618A EP3405613A1 EP 3405613 A1 EP3405613 A1 EP 3405613A1 EP 17702618 A EP17702618 A EP 17702618A EP 3405613 A1 EP3405613 A1 EP 3405613A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper material
- coating
- base support
- pearlescent pigments
- material according
- 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
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000000694 effects Effects 0.000 title description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 31
- 238000000576 coating method Methods 0.000 claims abstract description 31
- 239000000049 pigment Substances 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000011256 inorganic filler Substances 0.000 claims abstract description 9
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 9
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000009499 grossing Methods 0.000 claims description 7
- 239000001993 wax Substances 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 4
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- YIXSKDRXJTZCHT-UHFFFAOYSA-N 2-acetylbutanedioic acid Chemical compound CC(=O)C(C(O)=O)CC(O)=O YIXSKDRXJTZCHT-UHFFFAOYSA-N 0.000 claims description 3
- 229920000881 Modified starch Polymers 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000002174 Styrene-butadiene Substances 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 3
- 230000005292 diamagnetic effect Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 230000005291 magnetic effect Effects 0.000 claims description 3
- 235000019426 modified starch Nutrition 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000011115 styrene butadiene Substances 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 238000004049 embossing Methods 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000012764 mineral filler Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 238000003892 spreading Methods 0.000 claims description 2
- 125000003158 alcohol group Chemical group 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 239000001023 inorganic pigment Substances 0.000 description 3
- 239000012860 organic pigment Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
- 108091023288 HOTAIR Proteins 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(ii) oxide Chemical class [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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
- D21H19/66—Coatings characterised by a special visual effect, e.g. patterned, textured
-
- 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
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- 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
- D21H19/64—Inorganic compounds
-
- 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
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
-
- 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
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- 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
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/005—Mechanical treatment
Definitions
- the present invention refers to a paper material (paper/card) and to the relative manufacturing method.
- a technical task of the present invention is to provide a paper material that has a different optical effect from conventional paper materials, while also being printable with high printing quality.
- a paper material comprising a base support, made up of a mixture of cellulose fibres containing at least one polymeric substance, which is adapted to give the mixture of fibres mechanical strength, and an inorganic filler, said base support having at least one surface treated with at least one surface adhesive and at least one coating applied on said treated surface, characterized in that said coating comprises at least pearlescent pigments of high lightfastness.
- the present invention also discloses a method for manufacturing the paper material, comprising the steps of:
- the pearlescent pigments are borosilicates or aluminosilicates and in particular micas.
- the pearlescent pigments are transparent borosilicates or aluminosilicates coated with metal oxides such as iron oxides, titanium oxides or tin oxides.
- the pearlescent pigments are of various colours, particle sizes and shapes.
- the coating comprises one or more binder polymers and/or waxes, in a mixture with said pearlescent pigments.
- the coating comprises one or more binder polymers and/or waxes, in a mixture with said pearlescent pigments and with magnetic or diamagnetic metallic pigments.
- the metallic pigments are of various colours, particle sizes and shapes.
- the metallic effect pigments of the coating are those normally used for exterior grade paint. Therefore the coating contains pearlescent pigments and can optionally contain metallic pigments as well as the pearlescent pigments.
- the coating may also contain organic and inorganic pigments in addition to the pearlescent pigments and the metallic pigments.
- the invention therefore provides a pearlescent paper material (paper/card) of high lightfastness, thanks to a specially designed pulp and a specific surface coating treatment.
- the paper material of the invention also proves to be perfectly printable with high printing quality and makes it possible to achieve particular graphic effects that are difficult to achieve with conventional coated papers.
- the paper material of the invention comprises a base support made up of a mixture of cellulosic fibres and it contains at least one polymeric substance, adapted to give the mixture of fibres mechanical strength (when dry or wet), and an inorganic filler, adapted to give the material good machinability characteristics.
- the base support has at least one surface (face) treated with at least one surface adhesive to which a coating is applied, so that, due to the combined effect of the composition of the base support and the surface treatment, the paper material has a pearlescent effect with various colours.
- both faces of the base support may be treated in the same way.
- the polymeric substance included in the base support comprises one or more colophony-based and/or alkyl-ketene-dimer-based and/or acetylsuccinic- acid-based and/or epochlorohydrin-based resins, and/or modified starches; and the inorganic filler is a mineral filler comprising one or more substances selected from the group constituted by carbonates, kaolins, talc and mixtures thereof.
- the surface adhesive is for example an adhesive based on starch and/or polyvinyl alcohol- and/or acrylic-, polyurethane- and/or styrene-butadiene-based polymers.
- the paper material according to the invention is provided with a coating, applied on the treated surface and clearly, the paper material may have both surfaces treated and provided with a coating.
- the coating is formed by one or more binder polymers (e.g. polyurethane- and/or silicone-, and/or acrylic-, styrene-butadiene-, polyvinyl acetate-, polyvinyl alcohol-based polymers and the like) and/or waxes, in a mixture with dyes and pigments, e.g. pearlescent pigments of various colours, particle sizes and shapes with the characteristic of being stable to the exposure of the UV component of sunlight.
- binder polymers e.g. polyurethane- and/or silicone-, and/or acrylic-, styrene-butadiene-, polyvinyl acetate-, polyvinyl alcohol-based polymers and the like
- dyes and pigments e.g. pearlescent pigments of various colours, particle sizes and shapes with the characteristic of being stable to the exposure of the UV component of sunlight.
- the quantity of polymer per face is preferably comprised between 5% by weight and 100% by weight with respect to the pigments; the paper basis weight of the paper material is comprised between about 90 and about 450 g/m ; the quantity of coating spread onto each face is comprised between about 5 and about 20 g/m .
- the coating may be coloured and/or spread onto a coloured base support; preferably, coloured pastes and organic or inorganic pigments are used.
- the paper material described hereinabove is realized using the following method.
- the base support is realized first, using a substantially known paper-forming technique, for example on a continuous machine for manufacturing paper.
- a substantially known paper-forming technique for example on a continuous machine for manufacturing paper.
- an aqueous pulp comprising a mixture of cellulose fibres and containing the polymeric substance (colophony-based and/or alkyl-ketene-dimer- based and/or acetylsuccinic-acid-based and/or epochlorohydrin-based resins, and/or modified starches) and the inorganic filler (carbonates, kaolins, talc, etcetera) is prepared.
- aqueous solution of surface adhesive for example made up of a 10% by weight aqueous solution of starch, and/or 5% by weight of acrylic adhesive, or similar adhesives.
- the method then comprises a smoothing step of the base support, wherein the base support is smoothed up to Bendtsen ISO 2494 roughness values of less than approximately 450 ml/min., preferably of less than approximately 400 ml/min. and approximately around 350 ml/min, followed by an application step of the coating previously described.
- the application of the coating takes place by spreading with an air knife or a smoothing blade, roto-offset, rotographic and flexographic techniques.
- step of drying the coating carried out in an infrared and/or hot- air oven at a temperature within the range of 100°C approximately to 180°C approximately and with an oven time ranging between 0.5 and 4 minutes.
- the method comprises a step of mechanically treating the surface provided with the coating, particularly a smoothing and/or an embossing step.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITUB2016A000512A ITUB20160512A1 (it) | 2016-02-01 | 2016-02-01 | Materiale cartaceo ad effetto metallico perlescente ad alta solidita' alla luce e relativo procedimento di fabbricazione |
PCT/EP2017/052094 WO2017134071A1 (fr) | 2016-02-01 | 2017-02-01 | Matériau en papier à effet métallique nacré présentant une résistance élevée à la lumière et procédé de fabrication associé |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3405613A1 true EP3405613A1 (fr) | 2018-11-28 |
EP3405613B1 EP3405613B1 (fr) | 2020-01-22 |
Family
ID=55861034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17702618.4A Active EP3405613B1 (fr) | 2016-02-01 | 2017-02-01 | Matériau en papier à effet métallique nacré présentant une résistance élevée à la lumière et procédé de fabrication associé |
Country Status (6)
Country | Link |
---|---|
US (1) | US20190040583A1 (fr) |
EP (1) | EP3405613B1 (fr) |
CN (1) | CN109072562B (fr) |
ES (1) | ES2786574T3 (fr) |
IT (1) | ITUB20160512A1 (fr) |
WO (1) | WO2017134071A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3710548B1 (fr) * | 2017-11-17 | 2023-06-07 | Imerys USA, Inc. | Revêtements thermoscellables |
IT202100032753A1 (it) * | 2021-12-28 | 2023-06-28 | Gruppo Cordenons Spa | Materiale cartaceo a totale chiusura particolarmente per uso nell’industria alimentare |
CA3241551A1 (fr) * | 2021-12-28 | 2023-07-06 | Luca Monacelli | Materiau en papier aux proprietes virucides, biocides et de barriere a l'eau, aux graisses et aux huiles |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5571557A (en) * | 1995-05-09 | 1996-11-05 | Chartpak, Inc. | Faux glass etch product and process of preparing same |
DE19704478A1 (de) * | 1997-02-06 | 1998-08-13 | Merck Patent Gmbh | Lasermarkierbare Papiere und Kartonagen |
PL196828B1 (pl) * | 1997-09-30 | 2008-02-29 | Nalco Chemical Co | Sposób wytwarzania koloidalnego borokrzemianu metalu alkalicznego oraz koloidalny borokrzemian metalu alkalicznego |
GB0019575D0 (en) * | 2000-08-10 | 2000-09-27 | Clariant Int Ltd | Process for the prepartion of paper having a special appearance |
US6702922B2 (en) * | 2002-07-17 | 2004-03-09 | Mw Custom Papers, Llc | Papers for use in decorative laminates and methods of making the same |
ITVR20030054A1 (it) * | 2003-05-07 | 2004-11-08 | Cartiere Fedrigoni & C Spa | Procedimento per la produzione di carta patinata ad effetto perlescente |
DE102010049375A1 (de) * | 2010-10-26 | 2012-04-26 | Merck Patent Gmbh | Pigmente |
ITMI20110779A1 (it) * | 2011-05-06 | 2012-11-07 | Gruppo Cordenons Spa | Materiale cartaceo ad effetto-sabbia e relativo procedimento di fabbricazione |
US8728501B2 (en) * | 2011-08-31 | 2014-05-20 | Shanghai World-Prospect Chemtech Co., Ltd. | Composite material of inorganic nonmetallic mineral loaded with titania layer, preparation process and use thereof |
ITMI20130979A1 (it) * | 2013-06-13 | 2014-12-14 | Gruppo Cordenons Spa | Materiale cartaceo ad effetto olografico e metallico perlescente e relativo procedimento di fabbricazione |
CN103498386B (zh) * | 2013-10-16 | 2015-06-24 | 湖北工业大学 | 一种珠光颜料防伪卷烟纸及其制备方法 |
-
2016
- 2016-02-01 IT ITUB2016A000512A patent/ITUB20160512A1/it unknown
-
2017
- 2017-02-01 CN CN201780009267.9A patent/CN109072562B/zh active Active
- 2017-02-01 EP EP17702618.4A patent/EP3405613B1/fr active Active
- 2017-02-01 US US16/073,175 patent/US20190040583A1/en not_active Abandoned
- 2017-02-01 WO PCT/EP2017/052094 patent/WO2017134071A1/fr active Application Filing
- 2017-02-01 ES ES17702618T patent/ES2786574T3/es active Active
Also Published As
Publication number | Publication date |
---|---|
ITUB20160512A1 (it) | 2017-08-01 |
WO2017134071A1 (fr) | 2017-08-10 |
CN109072562A (zh) | 2018-12-21 |
EP3405613B1 (fr) | 2020-01-22 |
ES2786574T3 (es) | 2020-10-13 |
US20190040583A1 (en) | 2019-02-07 |
CN109072562B (zh) | 2021-10-29 |
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