EP4158100A1 - Procede d'obtention d'une preparation fibreuse pour papier opaque resistant a l'immersion - Google Patents
Procede d'obtention d'une preparation fibreuse pour papier opaque resistant a l'immersionInfo
- Publication number
- EP4158100A1 EP4158100A1 EP21729484.2A EP21729484A EP4158100A1 EP 4158100 A1 EP4158100 A1 EP 4158100A1 EP 21729484 A EP21729484 A EP 21729484A EP 4158100 A1 EP4158100 A1 EP 4158100A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- salts
- fatty acid
- calcium
- carbonate
- acid salts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- 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
- D21H17/14—Carboxylic acids; 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
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
-
- 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
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
-
- 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
- D21H21/16—Sizing or water-repelling 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
- 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
Definitions
- the present invention lies in the field of obtaining a fibrous preparation for the manufacture of a paper having a hydrophobicity and a significant opacity in the dry or wet state so as to be able to be affixed, for example, on a paper.
- bottle of wines or spirits capable by its nature of being stored in a humid environment such as, for example, a refrigerator or an ice bucket.
- the fibers are cellulose fibers.
- the dosages of calcium salts and of carbonate salts used are advantageously determined to produce, by precipitation, a mass of calcium carbonate corresponding to at most 25% of the dry matter.
- the fatty acid salts comprise 18 carbons in their chain and will preferably be potassium stearate.
- the process for obtaining a fiber preparation comprises at least the following steps:
- This last step can advantageously be followed by a step of adding to the fiber preparation obtained additives and / or dyes usually used in stationery.
- Said additives and / or colorants which are well known to those skilled in the art, are such as, for example, alkyl ketene dimers (AKD), cationic starch, anionic pigment dyes, colloidal silica, or still some carboxymethylcellulose, in order to impart to the paper made from the fibrous preparation obtained an increased whiteness and opacity.
- the carbonate salts in the form of an aqueous solution have counterions of a metallic nature such as, for example, counterions of sodium Na + , or of potassium K + .
- the carbonate salts can also be of inorganic or organic nature such as, for example, dimethyl carbonate or ammonium carbonate.
- the carbonate salts used are sodium carbonate.
- the fatty acid salts comprise between 12 and 22 carbons in their chain and their counterions can be metallic (eg: Na + , K + ) or organic (eg: NH4 + ) salts.
- the fatty acid salts will advantageously comprise 18 carbons in their chain and will preferably be potassium stearate.
- the fibrous preparation obtained with the process according to the invention is then used, without additional treatment, on a conventional paper machine to manufacture a paper exhibiting significant hydrophobicity and opacity in the dry or wet state.
- paper made from the resulting fiber preparation can subsequently be coated to further improve performance or provide other functionality.
- the production process according to the invention is particularly advantageous, since it does not include a fiber washing step, it can be semi-continuous or continuous and implemented on one and the same production line, and the white water that it generates can be reused during the papermaking process from the fiber preparation obtained.
- the opacity properties of the paper made from the fibrous preparation obtained by the production process according to the invention are also very good.
- the dry opacity of the paper is high and after immersion in water, this opacity only decreases by almost 3% to remain stable even after 24 hours of immersion in water.
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2005654A FR3110919B1 (fr) | 2020-05-28 | 2020-05-28 | Procede d'obtention d'une preparation fibreuse pour papier opaque resistant a l'immersion |
| PCT/EP2021/064218 WO2021239882A1 (fr) | 2020-05-28 | 2021-05-27 | Procede d'obtention d'une preparation fibreuse pour papier opaque resistant a l'immersion |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4158100A1 true EP4158100A1 (fr) | 2023-04-05 |
| EP4158100C0 EP4158100C0 (fr) | 2024-07-10 |
| EP4158100B1 EP4158100B1 (fr) | 2024-07-10 |
Family
ID=72560750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21729484.2A Active EP4158100B1 (fr) | 2020-05-28 | 2021-05-27 | Procede d'obtention d'une preparation fibreuse pour papier opaque resistant a l'immersion |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20230193560A1 (fr) |
| EP (1) | EP4158100B1 (fr) |
| AU (1) | AU2021278296B2 (fr) |
| ES (1) | ES2988755T3 (fr) |
| FR (1) | FR3110919B1 (fr) |
| HU (1) | HUE068434T2 (fr) |
| WO (1) | WO2021239882A1 (fr) |
| ZA (1) | ZA202212178B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3110919B1 (fr) * | 2020-05-28 | 2022-06-24 | Papeterie Zuber Rieder | Procede d'obtention d'une preparation fibreuse pour papier opaque resistant a l'immersion |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5275699A (en) * | 1992-10-07 | 1994-01-04 | University Of Washington | Compositions and methods for filling dried cellulosic fibers with an inorganic filler |
| JP3820174B2 (ja) * | 2002-03-29 | 2006-09-13 | 富士写真フイルム株式会社 | シート状記録材料用包装材料および包装体 |
| TW200504265A (en) * | 2002-12-17 | 2005-02-01 | Bayer Chemicals Corp | Alkenylsuccinic anhydride surface-applied system and uses thereof |
| EP3012223A1 (fr) * | 2014-10-24 | 2016-04-27 | Omya International AG | Béton de ciment Portland avec contenu de portlandite réduit |
| FR3071517B1 (fr) | 2017-09-22 | 2021-12-24 | Papeterie Zuber Rieder | Papier opaque resistant a l'immersion |
| WO2020154578A1 (fr) * | 2019-01-25 | 2020-07-30 | Greentech Global Pte. Ltd. | Compositions de support d'ester d'acide gras de polyol |
| FR3110919B1 (fr) * | 2020-05-28 | 2022-06-24 | Papeterie Zuber Rieder | Procede d'obtention d'une preparation fibreuse pour papier opaque resistant a l'immersion |
| US20250136853A1 (en) * | 2021-11-17 | 2025-05-01 | Bridgestone Corporation | Adhesive composition, organic fiber, organic fiber-rubber composite material, rubber article, and tire |
-
2020
- 2020-05-28 FR FR2005654A patent/FR3110919B1/fr active Active
-
2021
- 2021-03-27 US US17/925,745 patent/US20230193560A1/en not_active Abandoned
- 2021-05-27 ES ES21729484T patent/ES2988755T3/es active Active
- 2021-05-27 WO PCT/EP2021/064218 patent/WO2021239882A1/fr not_active Ceased
- 2021-05-27 HU HUE21729484A patent/HUE068434T2/hu unknown
- 2021-05-27 EP EP21729484.2A patent/EP4158100B1/fr active Active
- 2021-05-27 AU AU2021278296A patent/AU2021278296B2/en active Active
-
2022
- 2022-11-08 ZA ZA2022/12178A patent/ZA202212178B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES2988755T3 (es) | 2024-11-21 |
| WO2021239882A1 (fr) | 2021-12-02 |
| EP4158100C0 (fr) | 2024-07-10 |
| AU2021278296B2 (en) | 2025-06-05 |
| US20230193560A1 (en) | 2023-06-22 |
| AU2021278296A1 (en) | 2022-12-01 |
| FR3110919B1 (fr) | 2022-06-24 |
| FR3110919A1 (fr) | 2021-12-03 |
| ZA202212178B (en) | 2023-05-31 |
| HUE068434T2 (hu) | 2024-12-28 |
| EP4158100B1 (fr) | 2024-07-10 |
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