ES2519642T3 - Silk effect paper material and corresponding manufacturing method - Google Patents
Silk effect paper material and corresponding manufacturing method Download PDFInfo
- Publication number
- ES2519642T3 ES2519642T3 ES12167033.5T ES12167033T ES2519642T3 ES 2519642 T3 ES2519642 T3 ES 2519642T3 ES 12167033 T ES12167033 T ES 12167033T ES 2519642 T3 ES2519642 T3 ES 2519642T3
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- paper material
- fibers
- silk
- substrate
- pigments
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
Un material de papel de efecto seda, que comprende un sustrato, formado por una mezcla de fibras de celulosa y fibras con una base de seda natural y/o sintética y que contiene al menos una sustancia polimérica, apta para impartir resistencia a la mezcla de fibras, y una carga inorgánica; y que tiene al menos una superficie tratada con al menos un adhesivo de superficie y un agente suavizante de modo que el material de papel tiene un tacto como de seda, en donde la mezcla de fibras contiene hasta 10% en fibras con una base de seda natural y/o sintética con respecto al total de las fibras, en donde la superficie tratada se proporciona con un revestimiento brillante formado por uno o más polímeros aglutinantes y/o ceras, mezclados con pigmentos.A tissue paper of silk effect, comprising a substrate, formed by a mixture of cellulose fibers and fibers with a natural and / or synthetic silk base and containing at least one polymeric substance, capable of imparting resistance to the mixture of fibers, and an inorganic filler; and that it has at least one surface treated with at least one surface adhesive and a softening agent so that the paper material has a silk-like feel, where the fiber blend contains up to 10% in fibers with a silk base natural and / or synthetic with respect to the total of the fibers, where the treated surface is provided with a glossy coating formed by one or more binder polymers and / or waxes, mixed with pigments.
Description
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E12167033 E12167033
22-10-2014 10-22-2014
DESCRIPCIÓN DESCRIPTION
Material de papel de efecto seda y método de fabricación correspondiente Silk effect paper material and corresponding manufacturing method
La presente invención se refiere a un material de papel (papel/cartón) de efecto seda y al método de fabricación correspondiente. De forma más precisa, el material de papel de la invención, gracias a una pasta ideada de forma adecuada y a un tratamiento de superficie específico, pierde el tacto típico de materiales de papel y se caracteriza por un tacto similar al de la seda. The present invention relates to a paper material (paper / cardboard) of silk effect and the corresponding manufacturing method. More precisely, the paper material of the invention, thanks to a properly designed pulp and a specific surface treatment, loses the typical feel of paper materials and is characterized by a touch similar to that of silk.
Los documentos US 5334286 A y WO 00/22231 A1 describen un material de papel de tipo tejido, que no es adecuado para la impresión con alta calidad. US 5334286 A and WO 00/22231 A1 describe a woven paper material, which is not suitable for high quality printing.
En el sector de la fabricación de papel hay una búsqueda constante de nuevos tipos de papeles que tengan aspectos y/o acabados particulares, principalmente para envoltorio, envasado, producción de material ilustrativo, impresión de calidad, etc. In the papermaking sector there is a constant search for new types of paper that have particular aspects and / or finishes, mainly for wrapping, packaging, production of illustrative material, quality printing, etc.
Sin embargo, no es infrecuente que estos efectos particulares se obtengan a expensas de otras características del papel, por ejemplo, imprimabilidad. However, it is not uncommon for these particular effects to be obtained at the expense of other paper characteristics, for example, printability.
Un objetivo de la presente invención es proporcionar un material de papel que presente un tacto diferente del de los materiales de papel tradicionales y que al mismo tiempo permita una alta calidad de impresión. An objective of the present invention is to provide a paper material that has a different feel than traditional paper materials and at the same time allows high print quality.
Por lo tanto, la presente invención está relacionada con un material de papel y el correspondiente método de fabricación como se define en las reivindicaciones adjuntas 1 y 8, respectivamente. Therefore, the present invention is related to a paper material and the corresponding manufacturing method as defined in the attached claims 1 and 8, respectively.
Las realizaciones preferidas del material de papel y del correspondiente método de fabricación se definen en las reivindicaciones dependientes. Preferred embodiments of the paper material and the corresponding manufacturing method are defined in the dependent claims.
Por lo tanto, la invención proporciona un material de papel (papel/cartón) de efecto seda, que gracias a una pasta ideada de forma adecuada y a un tratamiento de superficie específico, pierde el tacto típico de materiales de papel y se caracteriza por un tacto similar al de la seda. Therefore, the invention provides a paper material (paper / cardboard) of silk effect, which, thanks to a properly designed pulp and a specific surface treatment, loses the typical feel of paper materials and is characterized by a touch similar to silk.
El material de papel de la invención asegura además una alta calidad de impresión y permite conseguir efectos gráficos particulares, que son difíciles de obtener con papeles revestidos tradicionales. The paper material of the invention also ensures high print quality and allows to achieve particular graphic effects, which are difficult to obtain with traditional coated papers.
Con detalle, el material de papel de la invención comprende un sustrato que está formado por una mezcla de fibras de celulosa y fibras de seda natural y/o seda sintética (poliamida) y contiene al menos una sustancia polimérica, capaz de impartir resistencia (en seco y húmedo) a la mezcla de fibras, y una carga inorgánica, capaz de impartir suavidad al material manteniendo buenas características de maquinabilidad. In detail, the paper material of the invention comprises a substrate that is formed by a mixture of cellulose fibers and natural silk and / or synthetic silk (polyamide) fibers and contains at least one polymeric substance, capable of imparting resistance (in dry and wet) to the fiber mix, and an inorganic filler, capable of imparting softness to the material while maintaining good machinability characteristics.
La sustancia tiene al menos una superficie (cara) tratada con al menos un adhesivo de superficie y un agente suavizante de modo que el material de papel, debido al efecto combinado de la composición del sustrato y del tratamiento de superficie, presenta un tacto similar al de la seda. Claramente, ambas caras del sustrato se pueden tratar de la misma forma. The substance has at least one surface (face) treated with at least one surface adhesive and a softening agent so that the paper material, due to the combined effect of the substrate composition and the surface treatment, has a touch similar to the of silk Clearly, both sides of the substrate can be treated in the same way.
La mezcla de fibras puede contener fibras con una base de seda natural y/o sintética en una cantidad variable, preferiblemente hasta aproximadamente 10% del total de las fibras, y más preferiblemente en una cantidad menor de aproximadamente 3%. The fiber blend may contain fibers with a natural and / or synthetic silk base in a variable amount, preferably up to about 10% of the total fibers, and more preferably in an amount less than about 3%.
Preferiblemente, la sustancia polimérica incluida en el sustrato comprende una o más resinas basadas en colofonia y/o basadas en epiclorhidrina, y/o almidones modificados, y la carga inorgánica es una carga mineral que comprende una o más sustancias seleccionadas del grupo que consiste en carbonatos, caolines, talco y mezclas de los mismos. Preferably, the polymeric substance included in the substrate comprises one or more rosin-based and / or epichlorohydrin-based resins, and / or modified starches, and the inorganic filler is a mineral filler comprising one or more substances selected from the group consisting of carbonates, kaolins, talc and mixtures thereof.
El adhesivo de superficie es, por ejemplo, un adhesivo con una base de almidón y/o poli(alcohol vinílico) y/o acrílica, poliuretano y/o polímeros de estireno-butadieno. The surface adhesive is, for example, an adhesive with a starch base and / or polyvinyl alcohol and / or acrylic, polyurethane and / or styrene-butadiene polymers.
El agente suavizante comprende, por ejemplo, sorbitol y/o glicerina. The softening agent comprises, for example, sorbitol and / or glycerin.
Además, el material de papel según la invención se proporciona con un revestimiento brillante, aplicado sobre la superficie tratada (evidentemente, el material de papel puede tener ambas superficies tratadas y ser proporcionadas con un revestimiento brillante). In addition, the paper material according to the invention is provided with a glossy coating, applied on the treated surface (obviously, the paper material can have both surfaces treated and be provided with a glossy coating).
En particular, el revestimiento brillante está formado por uno o más polímeros aglutinantes (por ejemplo, polímeros basados en poliuretano y/o basados en silicona) y/o ceras, mezclados con pigmentos, por ejemplo, pigmentos con una estructura laminar o plana, tales como, por ejemplo, carbonato cálcico precipitado (PCC), caolines calcinados y/o laminares, en combinación con pigmentos metálicos orientados e iridiscentes con estructura laminar. In particular, the gloss 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 laminar or flat structure, such as, for example, precipitated calcium carbonate (PCC), calcined kaolin and / or laminar, in combination with metal oriented and iridescent pigments with laminar structure.
La cantidad de polímero por cara está comprendida preferiblemente entre 5% y 100% con respecto a los pigmentos; The amount of polymer per face is preferably between 5% and 100% with respect to the pigments;
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E12167033 E12167033
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la sustancia del material de papel está comprendida entre aproximadamente 90 g/m2 y aproximadamente 350 g/m2; la cantidad de revestimiento brillante extendido sobre cada cara está comprendida entre aproximadamente 5 g/m2 y aproximadamente 20 g/m2. the substance of the paper material is between approximately 90 g / m2 and approximately 350 g / m2; The amount of gloss coating extended on each face is between approximately 5 g / m2 and approximately 20 g / m2.
El revestimiento brillante puede ser coloreado y/o estar extendido sobre un sustrato coloreado; preferiblemente se usan colores en forma de pasta y pigmentos orgánicos o inorgánicos. The gloss coating may be colored and / or spread on a colored substrate; preferably organic or inorganic paste colors and pigments are used.
El material de papel que se acaba de describir, se obtiene según un aspecto adicional de la presente invención, con el método descrito más adelante. The paper material just described is obtained according to a further aspect of the present invention, with the method described below.
Primero se proporciona el sustrato con una técnica de formación de papel que es sustancialmente conocida, por ejemplo, en una máquina de papel. The substrate is first provided with a paper forming technique that is substantially known, for example, in a paper machine.
Básicamente, se proporciona una pasta acuosa de fibras de celulosa y de fibras con una base de seda natural y/o sintética, conteniendo dicha pasta la sustancia polimérica (resinas basadas en colofonia y/o basadas en epiclorhidrina, y/o almidones modificados) y la carga inorgánica (carbonatos, caolines, talco, etc.). Basically, an aqueous pulp of cellulose fibers and fibers with a natural and / or synthetic silk base is provided, said pulp containing the polymeric substance (rosin-based and / or epichlorohydrin-based resins, and / or modified starches) and the inorganic load (carbonates, kaolins, talc, etc.).
Después, se separa el agua de la pasta para formar el sustrato del material de papel. Then, the water is separated from the pulp to form the substrate of the paper material.
A esto le sigue una etapa de tratamiento de superficie de una o ambas caras del sustrato con una solución acuosa de adhesivo de superficie (por ejemplo, una solución acuosa que contiene de 5 a 10% en peso de almidón, o adhesivo acrílico u otros adhesivos indicados antes) y agente suavizante (por ejemplo, sorbitol y/o glicerina). This is followed by a step of surface treatment of one or both sides of the substrate with an aqueous solution of surface adhesive (for example, an aqueous solution containing 5 to 10% by weight of starch, or acrylic adhesive or other adhesives indicated above) and softening agent (for example, sorbitol and / or glycerin).
El método comprende además, preferiblemente después del tratamiento de superficie con adhesivo y agente suavizante, una etapa de alisado del sustrato, donde el sustrato se alisa, en particular hasta valores de rugosidad Bendtsen ISO 2494 menores de aproximadamente 50 ml/min y preferiblemente menores de aproximadamente 30 ml/min y de forma indicativa alrededor de 20 ml/min, seguido de una etapa de aplicación del revestimiento brillante descrito previamente. The method further comprises, preferably after surface treatment with adhesive and softening agent, a substrate smoothing step, where the substrate is smoothed, in particular up to Bendtsen ISO 2494 roughness values of less than about 50 ml / min and preferably less than approximately 30 ml / min and indicatively about 20 ml / min, followed by a step of applying the gloss coating described previously.
Preferiblemente, la aplicación del revestimiento brillante se lleva a cabo con una máquina de revestimiento de pala de aire o pala alisadora y le sigue una etapa de secado del revestimiento, llevada a cabo en un horno de infrarrojos y/o un horno de aire caliente a una temperatura entre aproximadamente 100ºC y aproximadamente 180ºC y con un tiempo en el horno de entre 0,5 y 4 min. Preferably, the application of the gloss coating is carried out with an air shovel or smoothing blade coating machine and is followed by a drying stage of the coating, carried out in an infrared oven and / or a hot air oven to a temperature between about 100 ° C and about 180 ° C and with a time in the oven between 0.5 and 4 min.
Finalmente, el método comprende una etapa de tratamiento mecánico de la superficie proporcionada con el revestimiento, en particular una etapa de alisado y/o una etapa de gofrado. Finally, the method comprises a mechanical surface treatment stage provided with the coating, in particular a smoothing stage and / or an embossing stage.
Queda entonces entendido, que se pueden hacer modificaciones y variaciones al material de papel y al correspondiente método de fabricación descrito e ilustrado en la presente memoria, sin salirse así del alcance de la invención como se define en las reivindicaciones adjuntas. It is then understood that modifications and variations can be made to the paper material and to the corresponding manufacturing method described and illustrated herein, without thereby departing from the scope of the invention as defined in the appended claims.
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Claims (17)
- (a) (to)
- preparar una pasta acuosa de fibras de celulosa y de fibras con una base de seda natural y/o sintética, conteniendo dicha pasta al menos una sustancia polimérica, apta para impartir resistencia a la mezcla de fibras, y una carga inorgánica; preparing an aqueous pulp of cellulose fibers and fibers with a base of natural and / or synthetic silk, said paste containing at least one polymeric substance, capable of imparting resistance to the mixture of fibers, and an inorganic filler;
- (b)(b)
- separar el agua de la pasta para formar un sustrato de material de papel; y separating the water from the pulp to form a substrate of paper material; Y
- (c) (C)
- tratar al menos una superficie del sustrato con al menos un adhesivo de superficie y un agente suavizante de modo que imparte al material de papel un tacto como de seda; treating at least one surface of the substrate with at least one surface adhesive and a softening agent so that it imparts a silk-like feel to the paper material;
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI20110778 | 2011-05-06 | ||
| IT000778A ITMI20110778A1 (en) | 2011-05-06 | 2011-05-06 | PAPER MATERIAL WITH SILK-EFFECT AND RELATIVE PROCESS OF MANUFACTURING |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2519642T3 true ES2519642T3 (en) | 2014-11-07 |
Family
ID=44357995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES12167033.5T Active ES2519642T3 (en) | 2011-05-06 | 2012-05-07 | Silk effect paper material and corresponding manufacturing method |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2520710B1 (en) |
| ES (1) | ES2519642T3 (en) |
| IT (1) | ITMI20110778A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2260443T3 (en) | 2002-04-24 | 2006-11-01 | Skg Italia S.P.A. | TEETH CLEANING DEVICE. |
| US9777129B2 (en) | 2014-04-11 | 2017-10-03 | Georgia-Pacific Consumer Products Lp | Fibers with filler |
| 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 |
| IT201800002977A1 (en) * | 2018-02-23 | 2019-08-23 | Gruppo Cordenons Spa | Stratified paper material with high mechanical resistance and relative production method |
| WO2023126114A1 (en) * | 2021-12-28 | 2023-07-06 | Gruppo Cordenons S.P.A. | Paper material with virucidal, biocidal and barrier properties to water, fats and oils |
| IT202200010112A1 (en) * | 2022-05-16 | 2023-11-16 | Gruppo Cordenons Spa | PAPER MATERIAL IN SHEET WITH TACTILE EFFECT SIMILAR TO PLASTIC AND RELATED PRODUCTION METHOD |
Family Cites Families (5)
| 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 |
| JP3454997B2 (en) * | 1995-12-06 | 2003-10-06 | 河野製紙株式会社 | Hydrolytic paper having moisture retention and method 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 |
| US6607637B1 (en) * | 1998-10-15 | 2003-08-19 | The Procter & Gamble Company | Soft tissue paper having a softening composition containing bilayer disrupter deposited thereon |
| EP1659218A1 (en) * | 2004-11-19 | 2006-05-24 | The Procter & Gamble Company | A tissue paper with silk fibers |
-
2011
- 2011-05-06 IT IT000778A patent/ITMI20110778A1/en unknown
-
2012
- 2012-05-07 ES ES12167033.5T patent/ES2519642T3/en active Active
- 2012-05-07 EP EP12167033.5A patent/EP2520710B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2520710B1 (en) | 2014-07-30 |
| ITMI20110778A1 (en) | 2012-11-07 |
| EP2520710A1 (en) | 2012-11-07 |
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