EP3684682A1 - Opaque paper withstanding immersion - Google Patents

Opaque paper withstanding immersion

Info

Publication number
EP3684682A1
EP3684682A1 EP18796083.6A EP18796083A EP3684682A1 EP 3684682 A1 EP3684682 A1 EP 3684682A1 EP 18796083 A EP18796083 A EP 18796083A EP 3684682 A1 EP3684682 A1 EP 3684682A1
Authority
EP
European Patent Office
Prior art keywords
paper
label
opaque
pigments
water
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
EP18796083.6A
Other languages
German (de)
French (fr)
Other versions
EP3684682B1 (en
Inventor
Alice REJSEK
Michel Germain
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.)
PAPETERIE ZUBER RIEDER
Original Assignee
PAPETERIE ZUBER RIEDER
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 PAPETERIE ZUBER RIEDER filed Critical PAPETERIE ZUBER RIEDER
Publication of EP3684682A1 publication Critical patent/EP3684682A1/en
Application granted granted Critical
Publication of EP3684682B1 publication Critical patent/EP3684682B1/en
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
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/84—Paper comprising more than one coating on both sides of the substrate
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • 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
    • 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
    • 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
    • D21H17/675—Oxides, hydroxides or carbonates
    • 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
    • D21H17/68—Water-insoluble compounds, e.g. fillers, 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
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/10—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by damping the waves, e.g. by pouring oil on water
    • B63B2039/105—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by damping the waves, e.g. by pouring oil on water by absorption of wave energy, e.g. by structured, wave energy absorbing hull surfaces
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/0272—Labels for containers
    • G09F2003/0273—Labels for bottles, flasks

Definitions

  • the present invention is in the field of papermaking, and more specifically that of uncoated paper, in order to produce labels having on their front information and intended to be affixed to a support, mainly of the bottle of wine type. or spirit, which by its nature may be stored in a wet environment such as, for example, a refrigerator, an ice bucket or any other method of storage, preservation or presentation intended for example to cool and maintain them at an appropriate temperature .
  • the paper must withstand water, especially ice bucket, because in contact with water, there is infiltration under the paper causing the appearance of air bubbles and creating a certain unsightly, - the label must retain after wet passage its original appearance.
  • an opaque label paper is already known in a dry and wet medium such as that described in the European patent application EP 2,122,052 issued in the name of the Applicant.
  • Said label paper consists of an uncoated base paper backing on which is applied, by any means, at least one layer of a liquid polymer, in which is incorporated an opacifying agent or filler, intended to confer on said produces a dry and wet opacity, in addition to that of the uncoated base paper support, so as to produce an opaque layer and limiting the passage of water, between the product to be labeled and the uncoated base paper support, for use of the product in wet conditions or to be immersed in water, while preserving the qualities of the label.
  • This label paper which is certainly interesting because one obtains, with the liquid polymer, a layer limiting the propagation of moisture between the paper and the support, however, has a number of disadvantages.
  • the layer of liquid polymer applied to this paper requires an additional off-machine passage, which consequently increases the cost price of said paper.
  • the sizing must necessarily be done by adhesive means, the effectiveness of traditional bonding, such as the cold bonding, being compromised by the high hydrophobicity of the polymer layer.
  • liquid polymer layer does not provide a double-sided printing of the label, this type of printing is very popular among white wine producers in particular.
  • Multilayer paper such as that described, for example, in International Patent Application WO 2007/048878 is also known.
  • this paper has the disadvantage of being complex and therefore expensive to manufacture.
  • the present invention therefore aims to obviate a certain number of disadvantages of known label papers and to propose an opaque, immersion-resistant label paper meeting the four criteria described above while being able to be printed double-sided and being particularly easy and less expensive to manufacture on a single production line, thus avoiding possible outsourcing.
  • the label made from this paper must be able to be maintained on the bottle regardless of the type of sizing used: traditional cold sizing or self-adhesive.
  • the subject of the present invention is an opaque, non-coated, immersion-resistant paper for the manufacture of labels intended primarily for bottles of wines or spirits, which is remarkable in that it consists of a paper carrier of base composed of opacifying fibers and mineral fillers, said base paper support receiving on its front and back sides a single treatment surface composed of mineral or other pigments, associated with water-soluble and synthetic binders.
  • the opaque resistant paper 1 1 immersion according to the invention can be printed and / or glued on one of its faces or on both sides (front and back).
  • the base paper support is advantageously composed of about 80% of cellulose fibers.
  • the opacifying mineral fillers of the base paper support are chosen from the group comprising titanium dioxide, kaolin, talc, carbonate or titanium substituents.
  • the surface treatment consists of a deposit of mineral or other pigments associated with water-soluble and synthetic binders.
  • the inorganic or other pigments are chosen from the group comprising titanium dioxide, kaolin, talc, ATH, carbonate or titanium substituents and in that the water-soluble and synthetic binders are chosen from the group consisting of group comprising native or chemically modified starches, PVA, latex or biolatex.
  • the invention also relates to a method for producing a label from the opaque label paper according to the invention, which is remarkable in that it comprises at least the following steps:
  • the invention finally relates to a remarkable label in that it is obtained from the previously described manufacturing method.
  • a label 1 obtained from an opaque paper resistant to immersion and intended to receive at least on its front information, to be affixed thereafter on any support, including a bottle 6 conventionally glass.
  • said opaque paper 2 for immersion resistant label consists of a base paper carrier 3 composed of cellulose fibers and / or synthetic fibers, and opacifying mineral fillers, said base paper carrier 3 receiving on its front and back surfaces a single surface treatment 4 consisting of mineral pigments or other, associated with water-soluble and synthetic binders.
  • a base paper carrier 3 composed of cellulose fibers and / or synthetic fibers, and opacifying mineral fillers
  • said base paper carrier 3 receiving on its front and back surfaces a single surface treatment 4 consisting of mineral pigments or other, associated with water-soluble and synthetic binders.
  • the opaque paper 2 label is uncoated, that is to say, it has received no surface layer tending to change its appearance, including making its faces less rough.
  • a coated paper according to the NFQ 26-001 standard is a paper weighing more than 72 g / m 2 , the mass of the layer per side is greater than 10 g / m 2 , this coated paper then having smoother matte faces. or shiny and absorbing less printing ink, which has the consequence of having more bright colors.
  • the proportion of fibers in the base paper support 3 is typically of the order of 80%.
  • the opacifying mineral fillers for imparting dry and wet opacity to said base paper support 3 are such as, for example, titanium dioxide, kaolin, talc, carbonate or titanium substitutes.
  • titanium dioxide because, even if it makes it possible to confer on the label paper a particularly intense whiteness and opacity, it is expensive and can present risks.
  • the base paper support 3 receives on its front and back sides a surface treatment 4.
  • the latter consists in a conventional manner of a depositing, by any known technique, mineral or other pigments, associated with water-soluble and synthetic binders.
  • the inorganic or other pigments are advantageously chosen from the group comprising titanium dioxide, kaolin, talc, ⁇ (aluminum trihydrate), carbonate or titanium substituents.
  • the water-soluble and synthetic binders are selected from the group consisting of native or chemically modified starches, PVA (polyvinyl alcohol), latex or biolatex.
  • the surface treatment 4 of each of the front and back sides of the base paper support 3 improves the wet strength characteristics by protecting the fibers of said base paper support 3 from water.
  • the opaque paper 2 has a Cobb test value greater than or equal to 12, which makes it printable while retaining its qualities of resistance to immersion.
  • the opaque paper 2 label is then printed on its front face or on its front and back sides by any known technique.
  • the opaque label paper 2 subsequently receives a sizing layer 5 deposited by any means on its face intended to be brought into contact with the bottle 6.
  • This sizing layer 5 is indifferently obtained by a layer of cold glue conventional or by an adhesive so as to obtain a self-adhesive label, said sizing layer 5 can be implemented after the surface treatment 4.
  • the manufacture of a label 1 from an opaque film resistant to immersion as just described then comprises at least the following steps:
  • Steps a and b are performed in this order, while steps c, d and e can be performed in a different order.
  • the sizing layer 5 may in some cases be performed before printing, without departing from the scope of the present invention.
  • the manufacture of the opaque paper 2 resistant to immersion according to the invention thus makes it possible to produce a label 1 remaining satisfactorily resistant and opaque when it is placed in a humid environment for 24 hours or even 48 hours.
  • Said opaque paper 2 allows cold tacking or bonding on either of its front and / or back faces, which remain printable with inks and by conventional processes such as, for example, those that is used for uncoated paper.
  • the label 1 thus obtained has on its front and back sides an uncoated paper finish pleasing both visually and tactually.
  • the production line is simplified, which allows a very substantial time saving in the production of the label 1.
  • this production method in a single production line limits the amount of rebus, avoids transportation and subcontracting costs, and reduces manufacturing time.
  • immersion resistant label 1 is particularly intended for application on bottles of wines or spirits.
  • this label 1 can be adapted and used on other types of containers.

Abstract

The present invention relates to an opaque paper (2) which can withstand immersion for producing a label (1) which is intended mainly for bottles (6) of wines or spirits, and which is remarkable in that it is constituted by a basic paper substrate (3) which is constituted by fibres and opacifying mineral fillers, the basic paper substrate (3) being subjected on the front and rear faces to a surface treatment (4) which is constituted by mineral pigments or other pigments which are associated with hydrosoluble and synthetic binders. The invention also relates to a label (1) and the method for producing it from the paper (2).

Description

PAPIER OPAQUE RESISTANT A L'IMMERSION  OPAQUE PAPER RESISTANT TO IMMERSION
Domaine technique Technical area
La présente invention se situe dans le domaine de la fabrication du papier, et plus précisément celle du papier non couché, en vue de réaliser des étiquettes présentant sur leur recto des informations et destinées à être apposées sur un support, principalement du type bouteille de vins ou spiritueux, susceptible par sa nature d'être stockée en milieu humide tel que, par exemple, un réfrigérateur, un seau à glace ou tout autre procédé de stockage, conservation ou présentation destiné par exemple à les rafraîchir et les maintenir à une température adéquate.  The present invention is in the field of papermaking, and more specifically that of uncoated paper, in order to produce labels having on their front information and intended to be affixed to a support, mainly of the bottle of wine type. or spirit, which by its nature may be stored in a wet environment such as, for example, a refrigerator, an ice bucket or any other method of storage, preservation or presentation intended for example to cool and maintain them at an appropriate temperature .
Technique antérieure Prior art
Dans ce domaine particulier, il est connu que le maintien du verso de l'étiquette sur la bouteille, par l'intermédiaire d'une colle, n'était pas suffisant pour conserver à l'étiquette son aspect d'origine, lorsqu'elle était soumise à l'humidité, notamment lors de l'immersion dans 1 ' eau .  In this particular field, it is known that maintaining the back of the label on the bottle, by means of an adhesive, was not sufficient to preserve the original appearance of the label, when was subjected to moisture, especially when immersed in water.
Ce problème est d'autant plus préjudiciable pour des papiers à fortes blancheur et opacité qui connaissent de nos jours une croissance soutenue.  This problem is all the more prejudicial for papers with high whiteness and opacity that are now experiencing sustained growth.
En effet, pour obtenir une étiquette de bonne qualité avec ce type de papier notamment, il est nécessaire de satisfaire les critères de qualité suivants:  Indeed, to obtain a good quality label with this type of paper in particular, it is necessary to satisfy the following quality criteria:
- le papier blanc doit toujours conserver une blancheur intense pour des raisons esthétiques,  - the white paper must always maintain an intense whiteness for aesthetic reasons,
- il doit présenter une opacité renforcée, quel que soit le milieu (sec ou humide) où il se trouve,  - it must have a reinforced opacity, whatever the environment (dry or wet) where it is,
- le papier doit résister à l'eau, d'un seau à glace notamment, car au contact de l'eau, il se produit des infiltrations sous le papier provoquant l'apparition de bulles d'air et créant une inesthétique certaine, - l'étiquette doit conserver après passage en milieu humide son aspect d'origine. - the paper must withstand water, especially ice bucket, because in contact with water, there is infiltration under the paper causing the appearance of air bubbles and creating a certain unsightly, - the label must retain after wet passage its original appearance.
Les étiquettes non couchées sur le marché ne répondent que très rarement de manière satisfaisante aux quatre critères évoqués ci-dessus. On obtient relativement fréquemment blancheur et opacité sèche, mais la résistance à l'eau et l'opacité humide ne sont pas suffisantes lorsque l'immersion est longue, par exemple au moins une heure pour ce qui est des passages dits au « seau à glace " .  The uncoated labels on the market only rarely satisfactorily meet the four criteria mentioned above. Whiteness and dry opacity are relatively frequently obtained, but the water resistance and the wet opacity are not sufficient when the immersion is long, for example at least one hour for so-called "ice bucket" passages. "
Pour pallier ces inconvénients, on connaît déjà un papier pour étiquette opaque en milieu sec et humide tel que celui décrit dans la demande de brevet européen EP 2 122 052 délivré au nom de la Demanderesse. Ledit papier pour étiquette est constitué d'un support papier de base non couché sur le verso duquel est appliqué, par tout moyen, au moins une couche d'un polymère liquide, dans lequel est incorporé un agent ou charge opacifiant, destiné à conférer audit produit une opacité sèche et humide, s' ajoutant à celle du support papier de base non couché, de manière à réaliser une couche opaque et limitant le passage de l'eau, entre le produit à étiqueter et le support papier de base non couché, pour une utilisation du produit en milieu humide ou devant être immergé dans l'eau, tout en préservant les qualités de l'étiquette.  To overcome these drawbacks, an opaque label paper is already known in a dry and wet medium such as that described in the European patent application EP 2,122,052 issued in the name of the Applicant. Said label paper consists of an uncoated base paper backing on which is applied, by any means, at least one layer of a liquid polymer, in which is incorporated an opacifying agent or filler, intended to confer on said produces a dry and wet opacity, in addition to that of the uncoated base paper support, so as to produce an opaque layer and limiting the passage of water, between the product to be labeled and the uncoated base paper support, for use of the product in wet conditions or to be immersed in water, while preserving the qualities of the label.
Ce papier pour étiquette, qui est certes intéressant car on obtient, avec le polymère liquide, une couche limitant la propagation de l'humidité entre le papier et le support, présente toutefois un certain nombre d'inconvénients.  This label paper, which is certainly interesting because one obtains, with the liquid polymer, a layer limiting the propagation of moisture between the paper and the support, however, has a number of disadvantages.
Ainsi, la couche de polymère liquide appliquée sur ce papier nécessite un passage supplémentaire hors-machine ce qui augmente par conséquent le coût de revient dudit papier. D'autre part, pour maintenir en contact l'étiquette finale comprenant la couche de polymère sur la bouteille, l'encollage doit obligatoirement se faire par voie adhésive, l'efficacité du collage par voie traditionnelle, tel que le collage à froid, étant compromise par la haute hydrophobie de la couche polymère. Thus, the layer of liquid polymer applied to this paper requires an additional off-machine passage, which consequently increases the cost price of said paper. On the other hand, in order to keep in contact the final label comprising the polymer layer on the bottle, the sizing must necessarily be done by adhesive means, the effectiveness of traditional bonding, such as the cold bonding, being compromised by the high hydrophobicity of the polymer layer.
Par ailleurs, ladite couche de polymère liquide ne permet pas d'obtenir une impression recto-verso de l'étiquette, ce type d'impression étant très prisé chez les producteurs de vins blancs notamment .  Furthermore, said liquid polymer layer does not provide a double-sided printing of the label, this type of printing is very popular among white wine producers in particular.
Enfin, la présence de cette couche de polymère au verso du papier non couché impose une opération supplémentaire d'orientation de ce dernier avant l'opération d'adhésivage et/ou d'impression.  Finally, the presence of this layer of polymer on the back of the uncoated paper imposes an additional operation of orientation of the latter before the adhesive and / or printing operation.
On connaît également un papier multicouche tel que celui décrit, par exemple, dans la demande de brevet internationale WO 2007/048878. Toutefois, ce papier présente l'inconvénient d'être complexe et donc cher à fabriquer.  Multilayer paper such as that described, for example, in International Patent Application WO 2007/048878 is also known. However, this paper has the disadvantage of being complex and therefore expensive to manufacture.
Exposé de l'invention Presentation of the invention
La présente invention vise donc à obvier un certain nombre des inconvénients des papiers pour étiquettes connus et à proposer un papier pour étiquette opaque résistant à l'immersion répondant aux quatre critères précédemment décrits tout en pouvant être imprimé recto-verso et en étant particulièrement aisé et moins onéreux à fabriquer sur une seule et unique ligne de production, en évitant de ce fait une éventuelle sous-traitance. Par ailleurs, l'étiquette réalisée à partir de ce papier doit pouvoir être maintenue sur la bouteille quel que soit le type d'encollage utilisé : encollage à froid traditionnel ou auto-adhésif.  The present invention therefore aims to obviate a certain number of disadvantages of known label papers and to propose an opaque, immersion-resistant label paper meeting the four criteria described above while being able to be printed double-sided and being particularly easy and less expensive to manufacture on a single production line, thus avoiding possible outsourcing. Moreover, the label made from this paper must be able to be maintained on the bottle regardless of the type of sizing used: traditional cold sizing or self-adhesive.
A cet égard, la présente invention a pour objet un papier non couché opaque résistant à 1 ' immersion pour la fabrication d'étiquette destinée principalement à des bouteilles de vins ou spiritueux, remarquable en ce qu'il est constitué d'un support papier de base composé de fibres et de charges minérales opacifiantes, ledit support papier de base recevant sur ses faces recto et verso un seul traitement de surface constitué de pigments minéraux ou autres, associés à des liants hydrosolubles et synthétiques. In this respect, the subject of the present invention is an opaque, non-coated, immersion-resistant paper for the manufacture of labels intended primarily for bottles of wines or spirits, which is remarkable in that it consists of a paper carrier of base composed of opacifying fibers and mineral fillers, said base paper support receiving on its front and back sides a single treatment surface composed of mineral or other pigments, associated with water-soluble and synthetic binders.
On comprend bien qu'avec cette configuration le papier opaque résistant à 11 immersion selon 1 ' invention peut être imprimé et/ou encollé sur une de ses faces ou sur ses deux faces (recto et verso) . It is well understood that with this configuration the opaque resistant paper 1 1 immersion according to the invention can be printed and / or glued on one of its faces or on both sides (front and back).
Le support papier de base est avantageusement composé d'environ 80% de fibres de cellulose.  The base paper support is advantageously composed of about 80% of cellulose fibers.
De manière préférée, les charges minérales opacifiantes du support papier de base sont choisies parmi le groupe comprenant le dioxyde de titane, le kaolin, le talc, le carbonate ou encore des substituants au titane.  Preferably, the opacifying mineral fillers of the base paper support are chosen from the group comprising titanium dioxide, kaolin, talc, carbonate or titanium substituents.
Selon un mode de réalisation préféré, le traitement de surface consiste en un dépôt de pigments minéraux ou autres associés à des liants hydrosolubles et synthétiques.  According to a preferred embodiment, the surface treatment consists of a deposit of mineral or other pigments associated with water-soluble and synthetic binders.
De manière avantageuse, les pigments minéraux ou autres sont choisis parmi le groupe comprenant le dioxyde de titane, le kaolin, le talc, l'ATH, le carbonate ou des substituants au titane et en ce que les liants hydrosolubles et synthétiques sont choisis parmi le groupe comprenant les amidons natifs ou modifiés chimiquement, les PVA, les latex ou des biolatex.  Advantageously, the inorganic or other pigments are chosen from the group comprising titanium dioxide, kaolin, talc, ATH, carbonate or titanium substituents and in that the water-soluble and synthetic binders are chosen from the group consisting of group comprising native or chemically modified starches, PVA, latex or biolatex.
L'invention concerne également un procédé pour la fabrication d'une étiquette à partir du papier opaque pour étiquette selon l'invention, remarquable en ce qu'il comporte au moins les étapes suivantes :  The invention also relates to a method for producing a label from the opaque label paper according to the invention, which is remarkable in that it comprises at least the following steps:
a/ fabrication d'une feuille de support papier de base à partir de fibres et de charges minérales opacifiantes, en fonction notamment des grammage, opacité et teinte souhaités, b/ traitement de surface sur les faces recto et verso du support papier de base par dépôt de pigments minéraux ou autres, associés à des liants hydrosolubles et synthétiques, c/ impression sur la face recto ou sur les faces recto et verso du papier opaque pour étiquette des informations souhaitées , a / manufacture of a base paper support sheet from opacifying fibers and mineral fillers, depending in particular on the desired grammage, opacity and color, b / surface treatment on the front and back sides of the base paper support by deposition of mineral or other pigments, associated with water-soluble and synthetic binders, c / printing on the front face or on the front and back sides of the opaque paper for information label desired,
d/ application d'une couche d'encollage sur l'une des faces du papier opaque pour étiquette,  d / application of a sizing layer on one of the faces of the opaque label paper,
e/ découpe de la feuille de papier imprimé aux dimensions de l'étiquette à fabriquer.  e / cutting of the printed paper sheet to the dimensions of the label to be manufactured.
L'invention concerne enfin une étiquette remarquable en ce qu'elle est obtenue à partir du procédé de fabrication précédemment décrit . Description sommaire des figures  The invention finally relates to a remarkable label in that it is obtained from the previously described manufacturing method. Brief description of the figures
D'autres avantages et caractéristiques ressortiront mieux de la description qui va suivre, d'un exemple particulier de réalisation, donné à titre d'illustration non limitative, d'un papier opaque pour la fabrication d'étiquette conforme à l'invention, en référence à la figure 1 unique qui représente schématiquement , en coupe transversale et à échelle agrandie, une étiquette selon l'invention, apposée sur une bouteille. Meilleure manière de réaliser l'invention technique  Other advantages and features will become more apparent from the description which follows, of a particular embodiment, given by way of non-limiting illustration, of an opaque paper for the manufacture of labels according to the invention, in 1 which shows schematically, in cross section and on an enlarged scale, a label according to the invention, affixed to a bottle. Best way to realize the technical invention
En référence à la figure 1 et conformément à 1 ' invention, on a représenté une étiquette 1 obtenue à partir d'un papier 2 opaque résistant à l'immersion et destinée à recevoir au moins sur son recto des informations, pour être apposée ensuite sur un support quelconque, notamment une bouteille 6 classiquement en verre.  Referring to Figure 1 and according to the invention, there is shown a label 1 obtained from an opaque paper resistant to immersion and intended to receive at least on its front information, to be affixed thereafter on any support, including a bottle 6 conventionally glass.
Selon 1 ' invention, ledit papier 2 opaque pour étiquette résistant à l'immersion est constitué d'un support papier de base 3 composé de fibres de cellulose et/ou de fibres synthétiques, et de charges minérales opacifiantes, ledit support papier de base 3 recevant sur ses faces recto et verso un seul traitement de surface 4 constitué de pigments minéraux ou autres, associés à des liants hydrosolubles et synthétiques . On comprend bien que le fait que ledit support papier de base 3 ne reçoive qu'un seul traitement de surface 4 sur ses faces recto et verso permet une réduction du coût de fabrication grâce à la simplicité de la ligne de production mise en œuvre par fabriquer ledit papier 2 conforme à l'invention. En effet, ce papier 2 ne nécessite qu'une seule et unique ligne de production dépourvue d'équipement spécifique de couchage et/ou ne disposant que d'un seul dispositif d'application des traitements de surface. According to the invention, said opaque paper 2 for immersion resistant label consists of a base paper carrier 3 composed of cellulose fibers and / or synthetic fibers, and opacifying mineral fillers, said base paper carrier 3 receiving on its front and back surfaces a single surface treatment 4 consisting of mineral pigments or other, associated with water-soluble and synthetic binders. It is well understood that the fact that said base paper support 3 receives only a single surface treatment 4 on its front and back faces makes it possible to reduce the manufacturing cost by virtue of the simplicity of the production line implemented by manufacturing. said paper 2 according to the invention. Indeed, this paper 2 requires only one and only production line devoid of specific coating equipment and / or having only one device for applying surface treatments.
Le papier 2 opaque pour étiquette est non couché, c'est-à-dire qu'il n'a reçu aucune couche de surface tendant à modifier son aspect, et notamment à rendre ses faces moins rugueuses .  The opaque paper 2 label is uncoated, that is to say, it has received no surface layer tending to change its appearance, including making its faces less rough.
Par opposition, un papier couché selon la norme NFQ 26- 001 est un papier de grammage supérieur à 72g/m2 dont la masse de la couche par face est supérieure à 10g/m2, ce papier couché présentant alors des faces plus lisses mates ou brillantes et absorbant moins l'encre d'impression, ce qui a pour conséquence d'avoir notamment des couleurs plus vives. In contrast, a coated paper according to the NFQ 26-001 standard is a paper weighing more than 72 g / m 2 , the mass of the layer per side is greater than 10 g / m 2 , this coated paper then having smoother matte faces. or shiny and absorbing less printing ink, which has the consequence of having more bright colors.
La proportion de fibres dans le support papier de base 3 est classiquement de l'ordre de 80%.  The proportion of fibers in the base paper support 3 is typically of the order of 80%.
Les charges minérales opacifiantes destinées à conférer audit support papier de base 3 une opacité sèche et humide sont telles que, par exemple, du dioxyde de titane, du kaolin, du talc, du carbonate ou encore des substituts au titane.  The opacifying mineral fillers for imparting dry and wet opacity to said base paper support 3 are such as, for example, titanium dioxide, kaolin, talc, carbonate or titanium substitutes.
Toutefois, de manière avantageuse, on évitera d'utiliser le dioxyde de titane car, même s'il permet de conférer audit papier pour étiquette une blancheur et une opacité particulièrement intenses, il coûte cher et peut présenter des risques.  Advantageously, however, it will be avoided to use titanium dioxide because, even if it makes it possible to confer on the label paper a particularly intense whiteness and opacity, it is expensive and can present risks.
Conformément à 1 ' invention, le support papier de base 3 reçoit sur ses faces recto et verso un traitement de surface 4. Ce dernier consiste de manière classique en un dépôt, par toute technique connue, de pigments minéraux ou autres, associés à des liants hydrosolubles et synthétiques. According to the invention, the base paper support 3 receives on its front and back sides a surface treatment 4. The latter consists in a conventional manner of a depositing, by any known technique, mineral or other pigments, associated with water-soluble and synthetic binders.
Les pigments minéraux ou autres sont avantageusement choisis parmi le groupe comprenant le dioxyde de titane, le kaolin, le talc, 1 ΆΤΗ (Trihydrate d'aluminium), le carbonate ou des substituants au titane. De même, les liants hydrosolubles et synthétiques sont choisis parmi le groupe comprenant les amidons natifs ou modifiés chimiquement, les PVA (alcool polyvinylique) , les latex ou des biolatex.  The inorganic or other pigments are advantageously chosen from the group comprising titanium dioxide, kaolin, talc, ΆΤΗ (aluminum trihydrate), carbonate or titanium substituents. Similarly, the water-soluble and synthetic binders are selected from the group consisting of native or chemically modified starches, PVA (polyvinyl alcohol), latex or biolatex.
Le traitement de surface 4 de chacune des faces recto et verso du support papier de base 3 améliore les caractéristiques de résistance en milieu humide en protégeant de l'eau les fibres dudit support papier de base 3.  The surface treatment 4 of each of the front and back sides of the base paper support 3 improves the wet strength characteristics by protecting the fibers of said base paper support 3 from water.
Avantageusement, il a été constaté que le papier 2 opaque présente une valeur au test de Cobb supérieure ou égale à 12, ce qui le rend imprimable tout en conservant ses qualités de résistance à l'immersion.  Advantageously, it has been found that the opaque paper 2 has a Cobb test value greater than or equal to 12, which makes it printable while retaining its qualities of resistance to immersion.
Après son traitement de surface 4, pour obtenir une étiquette 1 conforme à l'invention, le papier 2 opaque pour étiquette est ensuite imprimé sur sa face recto ou sur ses faces recto et verso par toute technique connue .  After its surface treatment 4, to obtain a label 1 according to the invention, the opaque paper 2 label is then printed on its front face or on its front and back sides by any known technique.
Enfin, le papier 2 opaque pour étiquette reçoit ultérieurement une couche d'encollage 5 déposée par tout moyen sur sa face destinée à être mise en contact avec la bouteille 6. Cette couche d'encollage 5 est indifféremment obtenue par une couche de colle à froid traditionnelle ou par un adhésif de sorte à obtenir une étiquette auto-adhésive , ladite couche d'encollage 5 pouvant être mise en œuvre après le traitement de surface 4.  Finally, the opaque label paper 2 subsequently receives a sizing layer 5 deposited by any means on its face intended to be brought into contact with the bottle 6. This sizing layer 5 is indifferently obtained by a layer of cold glue conventional or by an adhesive so as to obtain a self-adhesive label, said sizing layer 5 can be implemented after the surface treatment 4.
La fabrication d'une étiquette 1 à partir d'un papier opaque résistant à l'immersion tel qu'il vient d'être décrit comporte alors au moins les étapes suivantes :  The manufacture of a label 1 from an opaque film resistant to immersion as just described then comprises at least the following steps:
a/ fabrication d'une feuille de support papier de base 3 à partir de fibres et de charges minérales opacifiantes, en fonction notamment des grammage, opacité et teinte souhaités, a / manufacturing a base paper support sheet 3 from fibers and mineral fillers opacifying, depending in particular on the grammage, opacity and hue desired,
b/ traitement de surface 4 sur les faces recto et verso du support papier de base 3 par dépôt de pigments minéraux ou autres associés à des liants hydrosolubles et synthétiques ,  b / surface treatment 4 on the front and back sides of the base paper support 3 by depositing mineral or other pigments associated with water-soluble and synthetic binders,
c/ impression sur la face recto ou sur les faces recto et verso du papier 2 opaque pour étiquette des informations souhaitées ,  c / print on the front face or on the front and back sides of the opaque paper 2 to label the desired information,
d/ application d'une couche d'encollage 5 sur l'une des faces du papier 2 opaque pour étiquette,  d / application of a sizing layer 5 on one of the faces of the opaque label paper 2,
e/ découpe de la feuille de papier imprimé aux dimensions de l'étiquette 1 à fabriquer.  e / cutting of the printed paper sheet to the dimensions of the label 1 to be manufactured.
Les étapes a et b sont réalisées dans cet ordre, alors que les étapes c, d et e peuvent être réalisées dans un ordre différent. Ainsi, la couche d'encollage 5 pourra dans certains cas être réalisée avant l'impression, sans sortir du cadre de la présente invention.  Steps a and b are performed in this order, while steps c, d and e can be performed in a different order. Thus, the sizing layer 5 may in some cases be performed before printing, without departing from the scope of the present invention.
La fabrication du papier 2 opaque résistant à l'immersion conforme à l'invention permet ainsi de réaliser une étiquette 1 restant de manière satisfaisante résistante et opaque quand elle est placée dans un milieu humide pendant 24h voire 48 heures.  The manufacture of the opaque paper 2 resistant to immersion according to the invention thus makes it possible to produce a label 1 remaining satisfactorily resistant and opaque when it is placed in a humid environment for 24 hours or even 48 hours.
Ledit papier 2 opaque permet un adhésivage ou un collage à froid indifféremment sur l'une ou l'autre de ses faces recto et/ou verso, qui restent imprimables avec des encres et par des processus conventionnels tels que, par exemple, celles et ceux que l'on utilise pour du papier non couché .  Said opaque paper 2 allows cold tacking or bonding on either of its front and / or back faces, which remain printable with inks and by conventional processes such as, for example, those that is used for uncoated paper.
Finalement, l'étiquette 1 ainsi obtenue présente sur ses faces recto et verso une finition de papier non couché plaisante esthétiquement tant visuellement que tactilement.  Finally, the label 1 thus obtained has on its front and back sides an uncoated paper finish pleasing both visually and tactually.
La ligne de production est simplifiée, ce qui permet un gain de temps très substantiel dans la production de l'étiquette 1. The production line is simplified, which allows a very substantial time saving in the production of the label 1.
De plus, cette méthode de production en une seule et unique ligne de production permet de limiter la quantité de rébus, d'éviter les coûts de transport et de sous-traitance, et de réduire le temps de fabrication.  In addition, this production method in a single production line limits the amount of rebus, avoids transportation and subcontracting costs, and reduces manufacturing time.
Enfin, on comprend bien que le fait d'utiliser un papier de base composé de fibres et de charges minérales opacifiantes et ne recevant sur ses faces recto et verso qu'un seul traitement de surface constitué de pigments minéraux ou autres, associés à des liants hydrosolubles et synthétiques, permet d'obtenir un papier opaque résistant à l'immersion et de produire ledit papier en une seule passe sur une seule et unique ligne de production afin de limiter la quantité de rébus, d'éviter les coûts de transport et de sous-traitance, et de réduire le temps de fabrication.  Finally, it is understood that the fact of using a base paper composed of opacifying fibers and mineral fillers and receiving on its front and back sides only one surface treatment consisting of mineral pigments or other, associated with binders water soluble and synthetic, allows to obtain an opaque paper resistant to immersion and produce said paper in a single pass on a single production line to limit the amount of rebuses, to avoid the costs of transport and outsourcing, and reduce manufacturing time.
Possibilité d'application industrielle Possibility of industrial application
On comprend bien que l'étiquette 1 résistante à l'immersion conforme à l'invention est particulièrement destinée à une application sur des bouteilles de vins ou spiritueux. Toutefois, il est évident que cette étiquette 1 peut être adaptée et utilisée sur d'autres types de contenants .  It is well understood that the immersion resistant label 1 according to the invention is particularly intended for application on bottles of wines or spirits. However, it is obvious that this label 1 can be adapted and used on other types of containers.
Enfin, il va de soi que les exemples de papier et d'étiquette 1 conformes à l'invention qui viennent d'être décrits ne sont que des illustrations particulières, en aucun cas limitatives de l'invention.  Finally, it goes without saying that the examples of paper and label 1 according to the invention which have just been described are only particular illustrations, in no way limiting the invention.

Claims

REVENDICATIONS
1 - Papier (2) non couché opaque résistant à l'immersion pour la fabrication d'étiquette (1) destinée principalement à des bouteilles (6) de vins ou spiritueux, caractérisé en ce qu'il est constitué d'un support papier de base (3) composé de fibres et de charges minérales opacifiantes, ledit support papier de base (3) recevant sur ses faces recto et verso un seul traitement de surface (4) constitué de pigments minéraux ou autres, associés à des liants hydrosolubles et synthétiques.  1 - Opaque non-coated paper (2) resistant to immersion for the manufacture of labels (1) intended mainly for bottles (6) of wines or spirits, characterized in that it consists of a paper support of base (3) composed of opacifying fibers and mineral fillers, said base paper support (3) receiving on its front and back surfaces a single surface treatment (4) consisting of mineral or other pigments, associated with water-soluble and synthetic binders .
2 - Papier (2) selon la revendication 1 caractérisé en ce que le support papier de base (3) est composé d'environ 80% de fibres de cellulose. 3 - Papier (2) selon l'une quelconque des revendications 1 ou 2 caractérisé en ce que les charges minérales opacifiantes du support papier de base (3) sont choisies parmi le groupe comprenant le dioxyde de titane, le kaolin, le talc, le carbonate ou encore des substituants au titane. 2 - Paper (2) according to claim 1 characterized in that the base paper carrier (3) is composed of about 80% of cellulose fibers. 3 - Paper (2) according to any one of claims 1 or 2 characterized in that the opacifying mineral fillers of the base paper support (3) are selected from the group consisting of titanium dioxide, kaolin, talc, carbonate or substituents to titanium.
4 - Papier (2) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le traitement de surface (4) consiste en un dépôt de pigments minéraux ou autres associés à des liants hydrosolubles et synthétiques. 4 - Paper (2) according to any one of claims 1 to 3, characterized in that the surface treatment (4) consists of a deposit of inorganic or other pigments associated with water-soluble and synthetic binders.
5 - Papier (2) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les pigments minéraux ou autres sont choisis parmi le groupe comprenant le dioxyde de titane, le kaolin, le talc, l'ATH, le carbonate ou des substituants au titane et en ce que les liants hydrosolubles et synthétiques sont choisis parmi le groupe comprenant les amidons natifs ou modifiés chimiquement, les PVA, les latex ou des biolatex. 5 - Paper (2) according to any one of claims 1 to 4, characterized in that the mineral or other pigments are selected from the group consisting of titanium dioxide, kaolin, talc, ATH, carbonate or substituents for titanium and in that the water-soluble and synthetic binders are selected from the group comprising native or chemically modified starches, PVA, latex or biolatex.
6 - Procédé pour la fabrication d'une étiquette (1) à partir du papier (2) opaque pour étiquette selon l'une quelconques des revendications 1 à 5, caractérisé en ce qu'il comporte au moins les étapes suivantes: 6 - Process for the manufacture of a label (1) from the opaque label paper (2) according to any one of claims 1 to 5, characterized in that it comprises at least the following steps:
a/ fabrication d'une feuille de support papier de base (3) à partir de fibres et de charges minérales opacifiantes, en fonction notamment des grammage, opacité et teinte souhaités,  a / manufacture of a base paper support sheet (3) from opacifying fibers and mineral fillers, depending in particular on the desired grammage, opacity and hue,
b/ traitement de surface (4) sur les faces recto et verso du support papier de base (3) par dépôt de pigments minéraux ou autres associés à des liants hydrosolubles et synthétiques ,  b / surface treatment (4) on the front and back sides of the base paper support (3) by depositing inorganic or other pigments associated with water-soluble and synthetic binders,
c/ impression sur la face recto ou sur les faces recto et verso du papier (2) opaque pour étiquette des informations souhaitées ,  c / printing on the front side or on the front and back sides of the opaque paper (2) for labeling the desired information,
d/ application d'une couche d'encollage (5) sur l'une des faces du papier (2) opaque pour étiquette,  d / application of a sizing layer (5) on one side of the opaque label paper (2),
e/ découpe de la feuille de papier imprimé aux dimensions de l'étiquette (1) à fabriquer.  e / cutting of the printed paper sheet to the dimensions of the label (1) to be manufactured.
7 - Etiquette (1) caractérisée en ce qu'elle est obtenue à partir du procédé de fabrication selon la revendication 6. 7 - Label (1) characterized in that it is obtained from the manufacturing method according to claim 6.
EP18796083.6A 2017-09-22 2018-09-20 Opaque paper withstanding immersion Active EP3684682B1 (en)

Applications Claiming Priority (2)

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FR1758808A FR3071517B1 (en) 2017-09-22 2017-09-22 IMMERSION RESISTANT OPAQUE PAPER
PCT/FR2018/000219 WO2019058034A1 (en) 2017-09-22 2018-09-20 Opaque paper withstanding immersion

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FR2908792B1 (en) 2006-11-20 2009-01-09 Papeterie Zuber Rieder Soc Par PAPER FOR OPAQUE LABEL IN DRY AND HUMID ENVIRONMENT AND LABEL THUS OBTAINED.
FR2941713B1 (en) * 2009-02-03 2011-04-01 Arjowiggins Security METHOD FOR SECURING A COLORED OPAQUE OBJECT
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AU2018337795A1 (en) 2020-04-23
PT3684682T (en) 2021-11-23
WO2019058034A1 (en) 2019-03-28
AU2018337795B2 (en) 2023-01-19
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FR3071517A1 (en) 2019-03-29
FR3071517B1 (en) 2021-12-24

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