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Impact of different calendering strategies on barrier coating pick up
RISE Research Institutes of Sweden, Bioeconomy and Health, Material and Surface Design.ORCID iD: 0000-0003-0783-4959
RISE Research Institutes of Sweden, Bioeconomy and Health, Pulp, Paper and Packaging.ORCID iD: 0009-0005-9206-4128
RISE Research Institutes of Sweden, Bioeconomy and Health, Pulp, Paper and Packaging.ORCID iD: 0000-0001-6169-8332
2023 (English)In: TAPPICon 2023 - "Rock the Roll: Unleashing the Harmonies of the Paper Industry", TAPPI Press , 2023Conference paper, Published paper (Refereed)
Abstract [en]

Paper was pre-calendered in a pilot scale configuration with a traditional soft nip calender and a metal belt calender. All calendering strategies reduced surface roughness and permeability of the samples, but different strategies affected the surface roughness and permeability differently. Six test points from the pilot calendered papers were chosen for laboratory coating studies. Uncalendered paper was included as reference samples. The calendered samples and the reference were pre-coated with a regular pigmented coating consisting of a GCC pigment and a SA latex. Both uncoated and pre-coated substates were barrier coated with a PVOH solution in one and two layers. The coating pick up was determined gravimetrically and the barrier properties were evaluated with TAPPI T454 grease resistance tests.

Place, publisher, year, edition, pages
TAPPI Press , 2023.
Keywords [en]
Coatings; Paper; Pickups; Surface roughness; Barrier coatings; Barrier properties; Grease resistance; Pigmented coatings; Pilot scale; Resistance tests; Test-points; Two-layer; Calenders
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-68008Scopus ID: 2-s2.0-85175875488OAI: oai:DiVA.org:ri-68008DiVA, id: diva2:1814265
Conference
TAPPICon 2023 - Rock the Roll: Unleashing the Harmonies of the Paper Industry. Cleveland, USA. 28 April 2023 through 1 May 2023
Available from: 2023-11-23 Created: 2023-11-23 Last updated: 2024-02-27Bibliographically approved

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Rättö, PeterJunel, KristinaValtakari, Dimitar

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