EP2520710A1 - Papier soyeux et son procédé de fabrication - Google Patents

Papier soyeux et son procédé de fabrication Download PDF

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Publication number
EP2520710A1
EP2520710A1 EP12167033A EP12167033A EP2520710A1 EP 2520710 A1 EP2520710 A1 EP 2520710A1 EP 12167033 A EP12167033 A EP 12167033A EP 12167033 A EP12167033 A EP 12167033A EP 2520710 A1 EP2520710 A1 EP 2520710A1
Authority
EP
European Patent Office
Prior art keywords
paper material
fibres
approximately
silk
substrate
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
Application number
EP12167033A
Other languages
German (de)
English (en)
Other versions
EP2520710B1 (fr
Inventor
Luca Monacelli
Ferruccio 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
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
Publication of EP2520710A1 publication Critical patent/EP2520710A1/fr
Application granted granted Critical
Publication of EP2520710B1 publication Critical patent/EP2520710B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/28—Organic non-cellulose fibres from natural polymers
    • D21H13/34—Protein fibres
    • 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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/02—Synthetic cellulose fibres
    • D21H13/08—Synthetic cellulose fibres from regenerated cellulose
    • 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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/26—Polyamides; Polyimides
    • 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
    • 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
    • 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
    • D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
    • 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
    • D21H17/18—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with itself, or other added substances, e.g. by grafting on the fibres
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • 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
    • D21H17/52—Epoxy resins
    • 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
    • D21H17/62—Rosin; 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • 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

Definitions

  • the present invention relates to a silk-effect paper material (paper/cardboard) and to the corresponding manufacturing method. More precisely, the paper material of the invention, thanks to an appropriately devised pulp and to a specific surface treatment, loses the typical feel of paper materials and is characterized by a feel similar to that of silk.
  • An aim of the present invention is to provide a paper material that will present a feel different from that of traditional paper materials and will at the same time enable a high printing quality.
  • the present invention hence regards a paper material and the corresponding manufacturing method as defined in the annexed Claims 1 and 10, respectively.
  • Preferred embodiments of the paper material and of the corresponding manufacturing method are defined in the dependent Claims 2 to 9 and 11 to 22, respectively.
  • the invention hence provides a silk-effect paper material (paper/cardboard), which, thanks to an appropriately devised pulp and to a specific surface treatment, loses the typical feel of paper materials and is characterized by a feel similar to that of silk.
  • the paper material of the invention moreover ensures a high printing quality and enables particular graphic effects to be achieved, which are difficult to obtain with traditional coated papers.
  • the paper material of the invention comprises a substrate that is formed by a mixture of cellulose fibres and fibres of natural silk and/or synthetic silk (polyamide) and contains at least one polymeric substance, capable of bestowing (dry and wet) strength on the mixture of fibres, and an inorganic filler, capable of bestowing softness on the material maintaining good characteristics of machinability.
  • the substrate has at least one surface (face) treated with at least one surface adhesive and one softening agent so that the paper material, owing to the combined effect of the composition of the substrate and of the surface treatment, presents a feel similar to that of silk.
  • both of the faces of the substrate can be treated in the same way.
  • the mixture of fibres can contain fibres with a base of natural and/or synthetic silk in a variable amount, preferably up to approximately 10% of the total of the fibres and more preferably in an amount of less than approximately 3%.
  • the polymeric substance included in the substrate comprises one or more colophony-based and/or epichlorohydrin-based resins, and/or modified starches
  • the inorganic filler is a mineral filler comprising one or more substances selected in the group consisting of carbonates, kaolins, talc, and mixtures thereof.
  • the surface adhesive is, for example, an adhesive with a base of starch and/or polyvinyl alcohol and/or acrylic, polyurethane and/or styrene-butadiene polymers.
  • the softening agent comprises, for example, sorbitol and/or glycerine.
  • the paper material according to the invention is provided with a glossy coating, applied on the treated surface (clearly, the paper material can have both of the surfaces treated and provided with a glossy coating).
  • the glossy coating is formed by one or more binding polymers (for example polyurethane-based and/or silicone-based polymers) and/or waxes, mixed with pigments, for example, pigments with a lamellar or flat structure, such as, for example, precipitated calcium carbonate (PCC), calcined and/or lamellar kaolins, in combination with oriented and iridescent metal pigments with lamellar structure.
  • binding polymers for example polyurethane-based and/or silicone-based polymers
  • waxes mixed with pigments, for example, pigments with a lamellar or flat structure, such as, for example, precipitated calcium carbonate (PCC), calcined and/or lamellar kaolins, in combination with oriented and iridescent metal pigments with lamellar structure.
  • PCC precipitated calcium carbonate
  • the amount of polymer per face is preferably comprised between 5% and 100% with respect to the pigments; the substance of the paper material is comprised between approximately 90 g/m 2 and approximately 350 g/m 2 ; the amount of glossy coating spread on each face is comprised between approximately 5 g/m 2 and approximately 20 g/m 2 .
  • the glossy coating may be coloured and/or spread on a coloured substrate; colours in paste form and organic or inorganic pigments are preferably used.
  • the substrate is provided, with a technique of formation of paper that is substantially known, for example, on a paper machine.
  • an aqueous pulp is provided of cellulose fibres and of fibres with a base of natural and/or synthetic silk, said pulp containing the polymeric substance (colophony-based and/or epichlorohydrin-based resins, and/or modified starches) and the inorganic filler (carbonates, kaolins, talc, etc.).
  • polymeric substance colophony-based and/or epichlorohydrin-based resins, and/or modified starches
  • the inorganic filler carbonates, kaolins, talc, etc.
  • aqueous solution of surface adhesive for example, an aqueous solution containing 5 to 10 wt% of starch, or acrylic adhesive or other adhesives indicated above
  • softening agent for example, sorbitol and/or glycerine
  • the method further comprises, preferably after the surface treatment with adhesive and softening agent a step of smoothing of the substrate, where the substrate is smoothed, in particular up to Bendsten ISO 2494 roughness values of less than approximately 50 ml/min and preferably of less than approximately 30 ml/min and indicatively around 20 ml/min, followed by a step of application of the glossy coating described previously.
  • application of the glossy coating is performed with an air-blade or smoothing-blade coating machine and is followed by a step of drying of the coating, conducted in an infrared oven and/or hot-air oven at a temperature of between approximately 100°C and approximately 180°C and with an oven time of between 0.5 and 4 minutes.
  • the method comprises a step of mechanical treatment of the surface provided with the coating, in particular a smoothing step and/or an embossing step.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
EP12167033.5A 2011-05-06 2012-05-07 Papier soyeux et son procédé de fabrication Active EP2520710B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000778A ITMI20110778A1 (it) 2011-05-06 2011-05-06 Materiale cartaceo ad effetto-seta e relativo procedimento di fabbricazione

Publications (2)

Publication Number Publication Date
EP2520710A1 true EP2520710A1 (fr) 2012-11-07
EP2520710B1 EP2520710B1 (fr) 2014-07-30

Family

ID=44357995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12167033.5A Active EP2520710B1 (fr) 2011-05-06 2012-05-07 Papier soyeux et son procédé de fabrication

Country Status (3)

Country Link
EP (1) EP2520710B1 (fr)
ES (1) ES2519642T3 (fr)
IT (1) ITMI20110778A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7895695B2 (en) 2002-04-24 2011-03-01 S K G Italia S.P.A. Tooth-cleaning device
US9777143B2 (en) 2014-04-11 2017-10-03 Georgia-Pacific Consumer Products Lp Polyvinyl alcohol fibers and films with mineral fillers and small cellulose particles
US9777129B2 (en) 2014-04-11 2017-10-03 Georgia-Pacific Consumer Products Lp Fibers with filler
IT201800002977A1 (it) * 2018-02-23 2019-08-23 Gruppo Cordenons Spa Materiale cartaceo stratificato ad elevata resistenza meccanica e relativo metodo di produzione
WO2023126114A1 (fr) * 2021-12-28 2023-07-06 Gruppo Cordenons S.P.A. Matériau en papier aux propriétés virucides, biocides et de barrière à l'eau, aux graisses et aux huiles
IT202200010112A1 (it) * 2022-05-16 2023-11-16 Gruppo Cordenons Spa Materiale cartaceo in foglio con effetto tattile simile alla plastica e relativo metodo di produzione

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5334286A (en) * 1993-05-13 1994-08-02 The Procter & Gamble Company Tissue paper treated with tri-component biodegradable softener composition
US5935384A (en) * 1995-12-06 1999-08-10 Kawano Paper Co. Ltd Water-disintegrable paper having moisture retaining property and process for producing the same
US6017418A (en) * 1996-12-23 2000-01-25 Fort James Corporation Hydrophilic, humectant, soft, pliable, absorbent paper and method for its manufacture
WO2000022231A1 (fr) * 1998-10-15 2000-04-20 The Procter & Gamble Company Papier de soie doux
EP1659218A1 (fr) * 2004-11-19 2006-05-24 The Procter & Gamble Company Papier-tissu avec fibres de soie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5334286A (en) * 1993-05-13 1994-08-02 The Procter & Gamble Company Tissue paper treated with tri-component biodegradable softener composition
US5935384A (en) * 1995-12-06 1999-08-10 Kawano Paper Co. Ltd Water-disintegrable paper having moisture retaining property and process for producing the same
US6017418A (en) * 1996-12-23 2000-01-25 Fort James Corporation Hydrophilic, humectant, soft, pliable, absorbent paper and method for its manufacture
WO2000022231A1 (fr) * 1998-10-15 2000-04-20 The Procter & Gamble Company Papier de soie doux
EP1659218A1 (fr) * 2004-11-19 2006-05-24 The Procter & Gamble Company Papier-tissu avec fibres de soie

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7895695B2 (en) 2002-04-24 2011-03-01 S K G Italia S.P.A. Tooth-cleaning device
US9777143B2 (en) 2014-04-11 2017-10-03 Georgia-Pacific Consumer Products Lp Polyvinyl alcohol fibers and films with mineral fillers and small cellulose particles
US9777129B2 (en) 2014-04-11 2017-10-03 Georgia-Pacific Consumer Products Lp Fibers with filler
US10597501B2 (en) 2014-04-11 2020-03-24 Gpcp Ip Holdings Llc Fibers with filler
US10696837B2 (en) 2014-04-11 2020-06-30 Gpcp Ip Holdings Llc Polyvinyl alcohol fibers and films with mineral fillers and small cellulose particles
IT201800002977A1 (it) * 2018-02-23 2019-08-23 Gruppo Cordenons Spa Materiale cartaceo stratificato ad elevata resistenza meccanica e relativo metodo di produzione
WO2023126114A1 (fr) * 2021-12-28 2023-07-06 Gruppo Cordenons S.P.A. Matériau en papier aux propriétés virucides, biocides et de barrière à l'eau, aux graisses et aux huiles
IT202200010112A1 (it) * 2022-05-16 2023-11-16 Gruppo Cordenons Spa Materiale cartaceo in foglio con effetto tattile simile alla plastica e relativo metodo di produzione
WO2023222566A1 (fr) * 2022-05-16 2023-11-23 Gruppo Cordenons S.P.A. Matériau de feuille de papier à effet tactile de type plastique et son procédé de fabrication

Also Published As

Publication number Publication date
ES2519642T3 (es) 2014-11-07
EP2520710B1 (fr) 2014-07-30
ITMI20110778A1 (it) 2012-11-07

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