FI4198199T3 - Coated paper suitable for use in a sack - Google Patents

Coated paper suitable for use in a sack Download PDF

Info

Publication number
FI4198199T3
FI4198199T3 FIEP21214389.5T FI21214389T FI4198199T3 FI 4198199 T3 FI4198199 T3 FI 4198199T3 FI 21214389 T FI21214389 T FI 21214389T FI 4198199 T3 FI4198199 T3 FI 4198199T3
Authority
FI
Finland
Prior art keywords
coated paper
sack
iso
standard
coating layer
Prior art date
Application number
FIEP21214389.5T
Other languages
Finnish (fi)
Inventor
Ove Lindström
Erik Lindberg
Original Assignee
Billerud Ab Publ
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 Billerud Ab Publ filed Critical Billerud Ab Publ
Application granted granted Critical
Publication of FI4198199T3 publication Critical patent/FI4198199T3/en

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10Packing paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H19/00Coated paper; Coating material
    • D21H19/80Paper comprising more than one coating
    • D21H19/82Paper comprising more than one coating superposed
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H19/00Coated paper; Coating material
    • D21H19/80Paper comprising more than one coating
    • D21H19/82Paper comprising more than one coating superposed
    • D21H19/822Paper comprising more than one coating superposed two superposed coatings, both being pigmented

Landscapes

  • Paper (AREA)

Claims (14)

PATENTTIVAATIMUKSETPATENT CLAIMS 1. Päällystetty paperi, joka käsittää voima- paperisubstraattia, voimapaperisubstraatille aikaan- saadun esipäällystekerroksen ja esipäällystekerroksel- le aikaansaadun vesihöyrysulkupäällystekerroksen, jos- sa päällystetyn paperin neliömassa on ISO 536:2019 - standardin mukaisesti 65 - 155 g/m?, esipäällysteker- ros käsittää epäorgaanista täyttöainetta ja sideainet- ta kuivapainosuhteena, joka on välillä 100:25 ja 100:5, ja vesihöyrysulkupäällystekerros käsittää savi- pigmenttiä ja styreenibutadieenikopolymeerisideainetta (SBR) kuivapainosuhteena, joka on välillä 100:30 ja 100:80, jossa mainitun savipigmentin hiukkaskokoja- kauma (% < 2 pm) on yli 90 ja mainitun savipigmentin muototekijä on alle 20, kuten alle 10.1. Coated paper, which comprises a kraft paper substrate, a pre-coating layer provided on the kraft paper substrate and a water vapor barrier coating layer provided on the pre-coating layer, where the square weight of the coated paper is 65 to 155 g/m according to the ISO 536:2019 standard, the pre-coating layer comprises an inorganic filler and binder in a dry weight ratio of between 100:25 and 100:5, and the water vapor barrier coating layer comprises clay pigment and styrene butadiene copolymer binder (SBR) in a dry weight ratio of between 100:30 and 100:80, wherein the particle size distribution (%) of said clay pigment < 2 pm) is greater than 90 and the form factor of said clay pigment is less than 20, such as less than 10. 2. Patenttivaatimuksen 1 mukainen päällystet- ty paperi, jossa voimapaperisubstraatin neliömassa on ISO 536:2019 -standardin mukaisesti 50 - 140 g/m?, ku- ten 50 - 120 g/m?, kuten 60 - 100 g/m”.2. The coated paper according to claim 1, where the square weight of the kraft paper substrate is according to the ISO 536:2019 standard 50 to 140 g/m?, such as 50 to 120 g/m?, such as 60 to 100 g/m". 3. Patenttivaatimuksen 1 tai 2 mukainen pääl- lystetty paperi, jossa päällystetyn paperin neliömassa on ISO 536:2019 -standardin mukaisesti 65 - 135 g/m?, kuten 75 - 115 g/m”.3. The coated paper according to claim 1 or 2, where the square weight of the coated paper is, according to the ISO 536:2019 standard, 65 to 135 g/m?, such as 75 to 115 g/m". 4. Jonkin edellä olevista patenttivaatimuk- sista mukainen päällystetty paperi, jossa esipäällys- tekerroksen päällystepaino on 4 - 20 g/m?, edullisesti 4 - 12 g/m?, kuten 5 - 10 g/m”.4. Coated paper according to one of the above patent claims, in which the coating weight of the precoating layer is 4 to 20 g/m?, preferably 4 to 12 g/m?, such as 5 to 10 g/m". 5. Jonkin edellä olevista patenttivaatimuk- sista mukainen päällystetty paperi, jossa vesi- höyrysulkupäällystekerroksen päällystepaino on 4 - 20 g/m?, edullisesti 4 - 12 g/m?, kuten 5 - 10 g/m”.5. Coated paper according to one of the above patent claims, wherein the coating weight of the water vapor barrier coating layer is 4 to 20 g/m?, preferably 4 to 12 g/m?, such as 5 to 10 g/m". 6. Jonkin edellä olevista patenttivaatimuk- sista mukainen päällystetty paperi, jossa epäorgaani- sen täyttöaineen kuivapainosuhde sideaineeseen esi- päällystekerroksessa on välillä 100:20 ja 100:8, kuten välillä 100:16 ja 100:8.6. Coated paper according to one of the above patent claims, wherein the dry weight ratio of the inorganic filler to the binder in the pre-coating layer is between 100:20 and 100:8, such as between 100:16 and 100:8. 7. Jonkin edellä olevista patenttivaatimuk- sista mukainen päällystetty paperi, jossa savipigmen- tin kuivapainosuhde SBR-sideaineeseen vesihöyrysulku- kerroksessa on välillä 100:40 ja 100:70, kuten välillä 100:40 ja 100:60.7. Coated paper according to one of the above patent claims, where the dry weight ratio of the clay pigment to the SBR binder in the water vapor barrier layer is between 100:40 and 100:70, such as between 100:40 and 100:60. 8. Jonkin edellä olevista patenttivaatimuk- sista mukainen päällystetty paperi, jossa mainitun sa- vipigmentin hiukkaskokojakauma (% < 2 um) on yli 95.8. Coated paper according to one of the above patent claims, in which the particle size distribution (% < 2 um) of the said clay pigment is greater than 95. 9. Säkki, joka käsittää kerroksen, joka on muodostettu jonkin edellä olevista patenttivaatimuk- sista mukaisesta päällystetystä paperista.9. A sack comprising a layer formed from coated paper according to one of the above patent claims. 10. Patenttivaatimuksen 9 mukainen säkki, jossa säkki käsittää ainakin kaksi kerrosta ja kerros, joka on muodostettu päällystetystä paperista, on ulko- kerros.10. The sack according to claim 9, wherein the sack comprises at least two layers and the layer formed from coated paper is the outer layer. 11. Patenttivaatimuksen 10 mukainen säkki, jossa säkki käsittää sisäkerroksen, joka on muodostet- tu voimapaperista, jonka Gurley-lapaisevyys on ISO 5636-5:2013 -standardin mukaisesti mitattuna 2 - 10 s, kuten, kuten 4 - 8 s, kuten 4 - 7 s, kuten 5- 6 s.11. The sack according to claim 10, wherein the sack comprises an inner layer formed from kraft paper with a Gurley flatness measured according to the ISO 5636-5:2013 standard of 2 to 10 s, such as 4 to 8 s, such as 4 to 7 sts, like 5-6 sts. 12. Patenttivaatimuksen 11 mukainen säkki, jossa sisäkerroksen voimapaperin neliömassa on ISO 536:2019 -standardin mukaisesti 60 - 90 g/m?, kuten 60 - 80 g/m”.12. The sack according to claim 11, where the square weight of the kraft paper of the inner layer is, according to the ISO 536:2019 standard, 60 to 90 g/m?, such as 60 to 80 g/m". 13. Jonkin patenttivaatimuksista 10 - 12 mu- kainen säkki, jossa päällystetyn paperin neliömassa on ISO 536:2019 -standardin mukaisesti 75 - 105 g/m?, ku- ten 75 - 95 g/m”.13. A sack according to one of claims 10 to 12, where the square weight of the coated paper is 75 to 105 g/m according to the ISO 536:2019 standard, such as 75 to 95 g/m". 14. Jonkin patenttivaatimuksista 10 - 13 mu- kainen säkki, jossa päällystetyn paperin pape- risubstraatin neliömassa on ISO 536:2019 -standardin mukaisesti 60 - 90 g/m?, kuten 60 - 80 g/m'.14. A sack according to one of claims 10 to 13, in which the square weight of the paper substrate of the coated paper is 60 to 90 g/m?, such as 60 to 80 g/m?, according to the ISO 536:2019 standard.
FIEP21214389.5T 2021-12-14 2021-12-14 Coated paper suitable for use in a sack FI4198199T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21214389.5A EP4198199B1 (en) 2021-12-14 2021-12-14 Coated paper suitable for use in a sack

Publications (1)

Publication Number Publication Date
FI4198199T3 true FI4198199T3 (en) 2024-04-17

Family

ID=78916719

Family Applications (1)

Application Number Title Priority Date Filing Date
FIEP21214389.5T FI4198199T3 (en) 2021-12-14 2021-12-14 Coated paper suitable for use in a sack

Country Status (4)

Country Link
EP (1) EP4198199B1 (en)
CA (1) CA3240543A1 (en)
FI (1) FI4198199T3 (en)
WO (1) WO2023111088A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19727119C1 (en) 1997-06-26 1998-07-16 Bosch Gmbh Robert Electric drive unit esp for motor vehicle windscreen wipers
US7189280B2 (en) 2004-06-29 2007-03-13 Questair Technologies Inc. Adsorptive separation of gas streams
EP2963179B1 (en) * 2014-07-04 2016-06-22 BillerudKorsnäs AB Coated sack paper
EP3184694A1 (en) * 2015-12-21 2017-06-28 BillerudKorsnäs AB Rainproof paper sack

Also Published As

Publication number Publication date
CA3240543A1 (en) 2023-06-22
EP4198199B1 (en) 2024-01-10
WO2023111088A1 (en) 2023-06-22
EP4198199A1 (en) 2023-06-21

Similar Documents

Publication Publication Date Title
ES2880487T3 (en) Method of manufacturing a packaging material and a packaging material made by the method
JP7439641B2 (en) Barrier laminate and its manufacturing method
US20220162804A1 (en) Heat-sealable paperboard
WO2022202168A1 (en) Gas barrier laminate and packaging material provided therewith
ES2932264T3 (en) Coating structure, sheet-like product and its use
EP3394342B1 (en) Rainproof paper sack
FI3838588T3 (en) Gas barrier laminate and method for producing same
FI4198199T3 (en) Coated paper suitable for use in a sack
MX2016016967A (en) Coated sack paper.
Kugge et al. Improved barrier properties of double dispersion coated liner
CN115667630A (en) Packaging material for packaging liquids and food products
EP2158076A1 (en) A release product
US11179921B1 (en) Biodegradable reinforced paper packaging mater
JP2013071404A (en) Gas barrier packaging material, and method for manufacturing the same
JP3133128U (en) Moisture-proof paper
Mesic et al. Latex-based barrier dispersion coating on linerboard: Flexographic multilayering versus single step conventional coating technology
JP4013676B2 (en) Packaging method for cold and hot food containers
WO2024048392A1 (en) Packaging and packaging product
AU2011239619B2 (en) Liner/medium/paper for laminated panel
WO2023176432A1 (en) Packaging material for aqueous content and packaging bag for aqueous content
JPWO2022071399A5 (en)
CN106544929A (en) Impermeabilisation packaging material made of paper
JP2023009928A (en) Foam wallpaper and its manufacturing method
WO2023075770A1 (en) Biodegradable reinforced paper packaging material
JP2024016701A (en) Gas barrier laminate and packaging bag