FI20205625A1 - Tukikerros irrokepaperille - Google Patents
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- FI20205625A1 FI20205625A1 FI20205625A FI20205625A FI20205625A1 FI 20205625 A1 FI20205625 A1 FI 20205625A1 FI 20205625 A FI20205625 A FI 20205625A FI 20205625 A FI20205625 A FI 20205625A FI 20205625 A1 FI20205625 A1 FI 20205625A1
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- coating
- coating layer
- polyvinyl alcohol
- paper
- layer
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
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- C09J7/21—Paper; Textile fabrics
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
- C09J7/401—Adhesives in the form of films or foils characterised by release liners characterised by the release coating composition
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- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
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- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/22—Polyalkenes, e.g. polystyrene
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
- D21H23/34—Knife or blade type coaters
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
-
- 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
- D21H27/001—Release paper
-
- 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
- D21H27/06—Vegetable or imitation parchment; Glassine paper
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
Keksintö koskee menetelmää polyvinyylialkoholijohdannaista käsittävän päällystekerroksen aikaansaamiseksi sellaisen paperin pintaan, joka soveltuu käytettäväksi irrokepaperin tukikerroksena. Menetelmässä järjestetään saataville paperi, jolla on ensimmäinen puoli ja toinen puoli, muodostetaan ensimmäinen päällystekerros, ja muodostetaan toinen päällystekerros levittämällä ensimmäisen päällystekerroksen päälle toinen päällyste. Toisen päällysteen levittämiseen ja/tai määrän säätelyyn käytetään kosketuselementtiä, kuten levitystelaa, tai annosteluelementtiä. Toinen päällyste käsittää vesiliuosta, jonka lämpötila on alle 90°C ja joka vesiliuos sisältää polyvinyylialkoholijohdannaista, jonka polyvinyylialkoholijohdannaisen hydrolyysiaste on 60–100 % ja joka polyvinyylialkoholijohdannainen sisältää ketjuun kiinnittyneitä vinyyliryhmiä. Toisen päällystekerroksen päällystepaino on 3–200 mg/m2 polyvinyylialkoholijohdannaisen kuivapainosta mitattuna. Keksintö koskee lisäksi irrokekerroksen tukikerrosta.
Claims (16)
1. Menetelmä polyvinyylialkoholijohdannaista käsittävän päällystekerrok- sen aikaansaamiseksi sellaisen paperin pintaan, joka soveltuu käytet- täväksi irrokepaperin tukikerroksena, jossa menetelmässä: - järjestetään saataville paperi, jolla on ensimmäinen puoli ja toinen puoli, - muodostetaan ensimmäinen päällystekerros levittämällä kuivan pape- rin ensimmäiselle puolelle ensimmäinen päällyste siten, että saadaan ensimmäinen päällystekerros, jolla ensimmäisellä päällystekerroksella on päällystepaino välillä 0,6—5 g/m?, edullisesti välillä 1-3 g/m?, ensim- mäisen päällystekerroksen kuivapainosta mitattuna, - muodostetaan toinen päällystekerros levittämällä ensimmäisen päällys- tekerroksen päälle toinen päällyste siten, että saadaan toinen päällys- tekerros, jolloin toisen päällysteen lämpötila on alle 90*C, kun toinen päällyste levitetään ensimmäisen päällystekerroksen päälle, ja toisen päällysteen levittämiseen ja/tai määrän säätelyyn käytetään kosketuselementtiä, kuten levitystelaa, tai annosteluelementtiä, jolloin toinen päällyste on vesiliuos, joka sisältää polyvinyylialkoholi- johdannaista, jolla polyvinyylialkoholijohdannaisella - on hydrolyysiaste välillä 60-100 % ja - joka polyvinyylialkoholijohdannainen sisältää ketjuun kiinnittyneitä vinyyliryhmiä, jotka ovat osa sellaisia ketjutettuja hiilirakenteita, jotka sisältävät vähintään 4 hiiliatomia, edullisesti 5—15 hiiliatomia, ja jotka rakenteet ovat liittyneet polyvinyylialkoholijohdannaiseen N kovalenttisilla sidoksilla, N toisella päällystekerroksella on päällystepaino välillä 3 mg/m? — 100 2 mg/m? polyvinyylialkoholijohdannaisen kuivapainona mitattuna. 3 = 30
2. Patenttivaatimuksen 1 mukainen menetelmä, jossa ensimmäinen pääl- so lystekerros käsittää S - polyvinyylialkoholia (PVA) ja/tai S < — tärkkelystä ja/tai N - karboksimetyyliselluloosaa (CMC) ja/tai - etyleeni-vinyylialkoholikopolymeeriä (EVOH).
3. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, jossa toi- sen päällysteen lämpötila on — yhtä suuri tai pienempi kuin 80°C, edullisesti yhtä suuri tai pie- nempi kuin 75*C, ja/tai — yhtä suuri tai suurempi kuin 25°C, kun toista päällystettä levitetään ensimmäisen päällystekerroksen pin- taan.
4. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, jossa lisäksi: - kuivataan saatu ensimmäinen päällystekerros ennen toisen pääl- lysteen levittämistä ensimmäisen päällystekerroksen pintaan.
5. Jonkin edellisen patenttivaatimuksen 1-4 mukainen menetelmä, jossa kosketuselementti käsittää levitystelan ja toinen päällyste levitetään ensin levitystelaan ja siirretään sen jälkeen ensimmäisen päällyste- kerroksen pintaan.
6. Jonkin edellisen patenttivaatimuksen 1-4 mukainen menetelmä, jossa kosketuselementti käsittää kaavinterän.
7. Jonkin edellisen patenttivaatimuksen 1-4 mukainen menetelmä, jossa kosketuselementti käsittää sauvan.
8. Jonkin patenttivaatimuksen 1-4 mukainen menetelmä, jossa kosketus- N elementti käsittää telan ja toinen päällyste levitetään ensimmäisen pääl- N lystekerroksen pintaan altaan kautta, minkä jälkeen paperi johdetaan 2 telan käsittävän telanipin läpi. 3 = 30 9. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, jossa poly- so vinyylialkoholijohdannainen on saatu S - asetalisoimalla vesipohjaisessa liuottimessa tai S - esteröimällä orgaanisessa liuottimessa tai - esteröimällä reaktiivisen ekstruusion avulla ilman liuotinta sulassa olomuodossa,
edullisesti mainitulla esteröinnillä reaktiivisen ekstruusion avulla ilman liuo- tinta sulassa olomuodossa.
10. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, jossa - vesiliuoksessa olevan mainitun polyvinyylialkoholijohdannaisen kiintoainepitoisuus on välillä 0,05—7 %, edullisesti 0,10-5 %, ja/tai - vesiliuos levitetään ensimmäisen päällystekerroksen pintaan vaah- don muodossa.
11. Irrokepaperin tukikerros, joka tukikerros käsittää paperin, jolla on ensimmäinen puoli ja toinen puoli, joka tukikerros käsittää lisäksi: - paperin ensimmäisellä pinnalla olevan ensimmäisen päällystekerrok- sen, - ensimmäisen päällystekerroksen pinnalla olevan toisen päällyste- kerroksen, joka toinen päällystekerros sisältää polyvinyylialkoholi- johdannaista, jolla on hydrolyysiaste alueella 60-100 %, ja joka poly- vinyylialkoholijohdannainen sisältää ketjuun kiinnittyneitä vinyyliryhmiä, e jotka ovat osa ketjutettuja hiilirakenteita, jotka sisältävät vähin- tään 4 hiiliatomia, edullisesti 5—15 hiiliatomia, ja e jotka ovat liittyneet polyvinyylialkoholiin kovalenttisilla sidoksilla, jolloin - ensimmäisellä päällystekerroksella on päällystepaino välillä 0,6— 5 g/m?, päällysteen kuivapainosta mitattuna, ja - toisella päällystekerroksella on päällystepaino välillä 3-100 mg/m? N polyvinyylialkoholijohdannaisen kuivapainosta mitattuna.
N 2 12. Patenttivaatimuksen 11 mukainen tukikerros tai jonkin patenttivaati- 2 muksen 1-10 mukainen menetelmä, jossa toisella päällystekerroksella = 30 on vinyyliryhmän molaalisuus (bvin) välillä 0,05—2,00, edullisesti 0,10— so 1,00, edullisimmin 0,15—0,80 mmol/g kuivaa polyvinyylialkoholia. 2 < 13. Patenttivaatimuksen 11 tai 12 mukainen tukikerros tai jonkin patentti- vaatimuksen 1-10 mukainen menetelmä, jossa ensimmäisellä ja toi- sella päällystekerroksella on kokonaisvinyyliryhmän molaalisuus (bvin)
välillä 0,00005-0,33 mmol/g, edullisesti 0,0001-0,17 mmol/g, edulli- simmin 0,00015—0,013 mmol/g kuivaa päällystekerrosta.
14. Jonkin patenttivaatimuksen 11-13 mukainen tukikerros tai jonkin patenttivaatimuksen 1-10 mukainen menetelmä, jossa ensimmäisellä päällystekerroksella on — vinyyliryhmän molaalisuus — (bvin) alle 0,00005 mmol/g kuivaa päällystekerrosta.
15. Jonkin patenttivaatimuksen 11-14 mukainen tukikerros tai jonkin patenttivaatimuksen 1-10 mukainen menetelmä, jossa - paperin neliömassa on 38-80 g/m? ja/tai - paperin pinnassa olevien päällysteiden kokonaisneliömassa on 0,65—5,20 g/m2.
16. Jonkin patenttivaatimuksen 11-15 mukainen tukikerros tai jonkin patenttivaatimuksen 1-10 mukainen menetelmä, jossa paperin pin- nassa olevan polyvinyylialkoholijohdannaisen neliöpaino on - vähintään 5 mg/m?, edullisesti vähintään 10 mg/m, ja/tai - yhtä suuri tai pienempi kuin 60 mg/m? polyvinyylialkoholijohdannaisen kuivapainosta laskettuna.
N
O
N
O o
O
I =
LO
N
O
LO
O
QA
O
N
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20205625A FI20205625A1 (fi) | 2020-06-15 | 2020-06-15 | Tukikerros irrokepaperille |
| PCT/FI2020/050597 WO2021255326A1 (en) | 2020-06-15 | 2020-09-17 | Support layer for a release liner |
| EP21734881.2A EP4165246A1 (en) | 2020-06-15 | 2021-06-10 | Support layer for a release liner |
| PCT/FI2021/050436 WO2021255333A1 (en) | 2020-06-15 | 2021-06-10 | Support layer for a release liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20205625A FI20205625A1 (fi) | 2020-06-15 | 2020-06-15 | Tukikerros irrokepaperille |
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| Publication Number | Publication Date |
|---|---|
| FI20205625A1 true FI20205625A1 (fi) | 2021-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20205625A FI20205625A1 (fi) | 2020-06-15 | 2020-06-15 | Tukikerros irrokepaperille |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4165246A1 (fi) |
| FI (1) | FI20205625A1 (fi) |
| WO (2) | WO2021255326A1 (fi) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020127373A1 (de) | 2020-10-16 | 2022-04-21 | Koehler Innovation & Technology Gmbh | Beschichtetes Papier |
| SE546122C2 (en) * | 2022-07-07 | 2024-05-28 | Stora Enso Oyj | Paper or paperboard based packaging laminate having a gas barrier with an extruded evoh layer |
| WO2024141706A1 (en) * | 2022-12-30 | 2024-07-04 | Upm-Kymmene Corporation | A sck paper with short fiber furnish and improved sustainability |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345497A (ja) * | 1999-03-26 | 2000-12-12 | Oji Paper Co Ltd | 剥離紙用原紙、剥離紙及び粘着用シート並びに剥離紙用原紙の製造方法 |
| AU2005201531B2 (en) * | 2000-03-22 | 2006-09-21 | Avery Dennison Corporation | Method for forming multilayer release liners and liners formed thereby |
| FI123351B2 (fi) * | 2008-06-03 | 2024-10-11 | Upm Specialty Papers Oy | Irrokemateriaalikoostumus, pohjamateriaali ja menetelmä pohjamateriaalin valmistamiseksi, pintakäsittelyaine pohjamateriaalia varten sekä pintakäsittelyaineen käyttö |
| FI20095392A0 (fi) * | 2009-04-09 | 2009-04-09 | Upm Kymmene Corp | Menetelmä substraatin pinnan käsittelemiseksi |
| FR2956671B1 (fr) * | 2010-02-23 | 2012-03-30 | Ahlstroem Oy | Support a base de fibres cellulosiques contenant une couche de pva modifie - procede d'elaboration et utilisation |
| DE102013107329A1 (de) * | 2013-07-10 | 2015-01-15 | Kuraray Europe Gmbh | Imprägnierungsmaterialien für Release-Papiere |
| US10113006B2 (en) * | 2014-06-26 | 2018-10-30 | Upm Specialty Papers Oy | Release liner comprising nanofibrillar cellulose |
| US10280562B2 (en) * | 2014-09-15 | 2019-05-07 | Upm Specialty Papers Oy | Process to manufacture low weight high quality paper for use as a support layer of a release liner with a belt assembly |
| SE543190E (en) * | 2018-06-12 | 2025-03-25 | Stora Enso Oyj | Re-pulpable packaging material |
| US11932992B2 (en) * | 2018-10-09 | 2024-03-19 | Upm-Kymmene Corporation | Paper substrate comprising modified low molecular weight PVA with functional vinyl groups |
| EP3636833A1 (en) * | 2018-10-09 | 2020-04-15 | UPM-Kymmene Corporation | A paper substrate comprising vinyl alcohol oligomers modified to contain catenated carbon structures with functional vinyl groups |
| WO2020084188A1 (en) * | 2018-10-24 | 2020-04-30 | Upm-Kymmene Corporation | Release liner |
-
2020
- 2020-06-15 FI FI20205625A patent/FI20205625A1/fi not_active Application Discontinuation
- 2020-09-17 WO PCT/FI2020/050597 patent/WO2021255326A1/en active Application Filing
-
2021
- 2021-06-10 WO PCT/FI2021/050436 patent/WO2021255333A1/en active Search and Examination
- 2021-06-10 EP EP21734881.2A patent/EP4165246A1/en active Pending
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| Publication number | Publication date |
|---|---|
| WO2021255333A1 (en) | 2021-12-23 |
| EP4165246A1 (en) | 2023-04-19 |
| WO2021255326A1 (en) | 2021-12-23 |
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