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US20190040583A1 - Pearlescent Metallic Effect Paper Material With High Lightfastness And Related Manufacturing Method - Google Patents

Pearlescent Metallic Effect Paper Material With High Lightfastness And Related Manufacturing Method Download PDF

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Publication number
US20190040583A1
US20190040583A1 US16/073,175 US201716073175A US2019040583A1 US 20190040583 A1 US20190040583 A1 US 20190040583A1 US 201716073175 A US201716073175 A US 201716073175A US 2019040583 A1 US2019040583 A1 US 2019040583A1
Authority
US
United States
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.)
Abandoned
Application number
US16/073,175
Inventor
Luca Monacelli
Ferruccio Beniamino GILBERTI
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.)
Gruppo Cordenons SpA
Gruppo Cordenons SpA
Original Assignee
Gruppo Cordenons SpA
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 Gruppo Cordenons SpA filed Critical Gruppo Cordenons SpA
Assigned to GRUPPO CORDENONS, S.P.A. reassignment GRUPPO CORDENONS, S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GILBERTI, Ferruccio Beniamino, MONACELLI, LUCA
Publication of US20190040583A1 publication Critical patent/US20190040583A1/en
Abandoned legal-status Critical Current

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
    • 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.
  • 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 2 ; the quantity of coating spread onto each face is comprised between about 5 and about 20 g/m 2 .
  • 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.
  • 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.
  • 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
  • the inorganic filler carbonates, kaolins, talc, etcetera
  • 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.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)

Abstract

The paper material comprises 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, the coating comprising at least pearlescent pigments of high lightfastness.

Description

  • The present invention refers to a paper material (paper/card) and to the relative manufacturing method.
  • In the paper sector, there is a constant search for new types of paper having particular characteristics and finishes, especially papers designed for packing, packaging, realizing illustrative material, quality printing, etcetera.
  • However, it is not uncommon that the achievement of special effects is detrimental to other characteristics of the paper, such as printability.
  • 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.
  • This technical task is solved by 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:
  • preparing an aqueous pulp of cellulose fibres, containing at least one polymeric substance adapted to give the mixture of fibres mechanical strength, and an inorganic filler;
  • removing water from the pulp so as to form a base support of the paper material;
  • treating at least one surface of the base support with at least one surface adhesive;
  • performing a smoothing process on the treated surface of the base support;
  • applying a coating comprising at least pearlescent pigments of high lightfastness to the smoothed treated surface.
  • In a preferred embodiment the pearlescent pigments are borosilicates or aluminosilicates and in particular micas.
  • In a preferred embodiment the pearlescent pigments are transparent borosilicates or aluminosilicates coated with metal oxides such as iron oxides, titanium oxides or tin oxides.
  • In a preferred embodiment the pearlescent pigments are of various colours, particle sizes and shapes.
  • In a preferred embodiment the coating comprises one or more binder polymers and/or waxes, in a mixture with said pearlescent pigments.
  • In a preferred embodiment 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.
  • In a preferred embodiment the metallic pigments are of various colours, particle sizes and shapes.
  • In a preferred embodiment 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.
  • Furthermore, the coating may also contain organic and inorganic pigments in addition to the pearlescent pigments and the metallic pigments.
  • There may also be organic or inorganic pigments contained in the base support which may be coloured.
  • 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.
  • In detail, 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. Clearly, both faces of the base support may be treated in the same way.
  • Preferably, 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. As mentioned, 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.
  • In particular, 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.
  • 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/m2; the quantity of coating spread onto each face is comprised between about 5 and about 20 g/m2.
  • The coating may be coloured and/or spread onto a coloured base support; preferably, coloured pastes and organic or inorganic pigments are used.
  • In accordance with a further aspect of the present invention, 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.
  • In essence, 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.
  • Subsequently, water is removed from the pulp so as to form a base support of the paper material.
  • This is followed by a step of surface treatment of one or both faces of the base support with an 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.
  • After the surface treatment with adhesive, 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.
  • Preferably, the application of the coating takes place by spreading with an air knife or a smoothing blade, roto-offset, rotographic and flexographic techniques.
  • This is followed by 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.
  • Lastly, the method comprises a step of mechanically treating the surface provided with the coating, particularly a smoothing and/or an embossing step.
  • It remains understood that modifications and variants that are not beyond the scope of the invention as defined in the appended claims, may be made concerning the paper material and the relative manufacturing method disclosed and illustrated herein.

Claims (16)

1. A paper material comprising a base support, made up of a mixture of cellulose fibres comprising 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 coating applied on said treated surface, wherein said coating comprises at least pearlescent pigments of high lightfastness.
2. The paper material according to claim 1, wherein said pearlescent pigments are of various colours, particle sizes and shapes.
3. The paper material according to claim 1, wherein said coating comprises one or more binder polymers or waxes, in a mixture with said pearlescent pigments.
4. The paper material according to claim 1, wherein said coating comprises one or more binder polymers or waxes, in a mixture with said pearlescent pigments and with magnetic or diamagnetic metallic pigments.
5. The paper material according to claim 1, wherein said pearlescent pigments are borosilicates or aluminosilicates.
6. The paper material according to claim 5, wherein said pearlescent pigments are transparent borosilicates or aluminosilicates coated with metal oxides.
7. The paper material according to claim 1, wherein the polymeric substance included in the base support comprises one or more colophony-based, alkyl-ketene-dimer-based, acetylsuccinic-acid-based, or epochlorohydrin-based resins, or modified starches.
8. The paper material according to claim 1, wherein the inorganic filler is a mineral filler comprising one or more substances selected from the group consisting of carbonates, kaolins, talc and mixtures thereof.
9. The paper material according to claim 1, wherein the surface adhesive is an adhesive based on starch, polyvinyl alcohol, acrylic, polyurethane or styrene-butadiene polymers.
10. The paper material according to claim 3, wherein the binder polymers comprise at least one of polyurethane-, acrylic-, polyvinyl alcohol-, styrene-butadiene or silicone based polymers.
11. A method for manufacturing a paper material, comprising the steps of:
preparing an aqueous pulp of cellulose fibres, comprising at least one polymeric substance adapted to give the fibres mechanical strength, and an inorganic filler;
removing water from the pulp so as to form a base support of the paper material;
treating at least one surface of the base support with at least one surface adhesive;
performing a smoothing process on the treated surface of the base support; and
applying a coating comprising at least pearlescent pigments of high lightfastness to the smoothed treated surface.
12. The method according to claim 11, wherein the treated surface is smoothed up to Bendsten 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.
13. The method according to claim 11, wherein the coating applied to the treated surface comprises, in a mixture, said pearlescent pigments, magnetic or diamagnetic metallic pigments, and one or more binder polymers or waxes.
14. The method according to claim 11, wherein the step of applying the coating takes place by spreading with an air knife or a smooth blade.
15. The method according to claim 11, further comprising a 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.
16. The method according to claim 15, wherein, after drying the coating, a step of mechanically treating the surface provided with the coating is performed, particularly a smoothing step or an embossing step.
US16/073,175 2016-02-01 2017-02-01 Pearlescent Metallic Effect Paper Material With High Lightfastness And Related Manufacturing Method Abandoned US20190040583A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102016000010127 2016-02-01
ITUB2016A000512A ITUB20160512A1 (en) 2016-02-01 2016-02-01 PAPER MATERIAL WITH A HIGH SOLID METAL PERLESCENT EFFECT IN LIGHT AND ITS MANUFACTURING PROCEDURE
PCT/EP2017/052094 WO2017134071A1 (en) 2016-02-01 2017-02-01 Pearlescent metallic effect paper material with high lightfastness and related manufacturing method

Publications (1)

Publication Number Publication Date
US20190040583A1 true US20190040583A1 (en) 2019-02-07

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US16/073,175 Abandoned US20190040583A1 (en) 2016-02-01 2017-02-01 Pearlescent Metallic Effect Paper Material With High Lightfastness And Related Manufacturing Method

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US (1) US20190040583A1 (en)
EP (1) EP3405613B1 (en)
CN (1) CN109072562B (en)
ES (1) ES2786574T3 (en)
IT (1) ITUB20160512A1 (en)
WO (1) WO2017134071A1 (en)

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Publication number Priority date Publication date Assignee Title
CA3081365A1 (en) * 2017-11-17 2019-05-23 Imerys Usa, Inc. Heat-seal coatings
IT202100032753A1 (en) * 2021-12-28 2023-06-28 Gruppo Cordenons Spa TOTALLY CLOSURE PAPER MATERIAL PARTICULARLY FOR USE IN THE FOOD INDUSTRY
EP4457400A1 (en) * 2021-12-28 2024-11-06 Fedrigoni S.P.A. Paper material with virucidal, biocidal and barrier properties to water, fats and oils

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WO2014198780A1 (en) * 2013-06-13 2014-12-18 Gruppo Cordenons S.P.A. Paper material having holographic and pearlescent metallic effects and the manufacturing process thereof

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ATE255535T1 (en) * 1997-09-30 2003-12-15 Ondeo Nalco Co COLLOIDAL BOROSILICATES AND THEIR USE IN PAPER PRODUCTION
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ITVR20030054A1 (en) * 2003-05-07 2004-11-08 Cartiere Fedrigoni & C Spa PROCESS FOR THE PRODUCTION OF COATED PAPER WITH A PEARLESCENT EFFECT
ITMI20110779A1 (en) * 2011-05-06 2012-11-07 Gruppo Cordenons Spa SAND MATERIAL WITH EFFECT - SAND AND ITS MANUFACTURING PROCEDURE
EP2752239A4 (en) * 2011-08-31 2015-08-12 Shanghai World Prospect Chemtech Co Ltd COMPOSITE MATERIAL BASED ON INORGANIC NON-METALLIC MINERAL COVERED WITH TITANIUM DIOXIDE LAYER, PREPARATION METHOD AND USE THEREOF
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Publication number Priority date Publication date Assignee Title
US20130216597A1 (en) * 2010-10-26 2013-08-22 Merck Patent Gmbh Pigments
WO2014198780A1 (en) * 2013-06-13 2014-12-18 Gruppo Cordenons S.P.A. Paper material having holographic and pearlescent metallic effects and the manufacturing process thereof

Also Published As

Publication number Publication date
EP3405613B1 (en) 2020-01-22
WO2017134071A1 (en) 2017-08-10
ES2786574T3 (en) 2020-10-13
EP3405613A1 (en) 2018-11-28
CN109072562B (en) 2021-10-29
ITUB20160512A1 (en) 2017-08-01
CN109072562A (en) 2018-12-21

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