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Industrially Relevant In-situ Production Of High Yield Pulp Based Nanocellulose Materials Optimized To Improve Strength In Packaging And Printing Papers: A Comparison Between CMC And MFC As The Anionic Component In Layer-by-Layer Technology
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för kemiteknik. MoRe Research Örnsköldsvik AB. (FORIC)
MoRe Research Örnsköldsvik AB.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för kemiteknik. (FORIC)
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för kemiteknik. (FORIC)
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2018 (Engelska)Ingår i: IMPC 2018, Trondheim, Norway, 2018Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

A key issue in papermaking is to understand how to improve strength without losing other important quality measures, like paper bulk. This must of course also be done in a cost efficient way. The trials described in this paper show some different aspects related to the replacement of the expensive anionic component CMC (carboxymethylcellulose) often used in Layer-by-Layer technology together with cationic starch in order to improve strength properties as z-strength and tensile strength of typical chemi-thermomechanical pulp (CTMP) often used as dominating component in industrial scale paper board production. The replacement for CMC investigated here is a MFC (micro-fibrillated cellulose) as the anionic component and paper sheets has been produced on an experimental paper machine at MoRe Research AB. This MFC is a commercially available product and it has not been treated in ways of increasing charge density. The trials were performed at a small pilot scale experimental paper machine (XPM) at MoRe Research in Örnsköldsvik, Sweden. This XPM is equipped with a unique setup to perform Layer-by-Layer-tests under very well controlled conditions. The general conclusion is that it could, with further developments, be feasible to replace CMC with MFC to improve bonding in typical CTMP based paper sheets.

Ort, förlag, år, upplaga, sidor
Trondheim, Norway, 2018.
Nyckelord [en]
cmc, ctmp, layer-by-layer, mechanical pulp, mfc, strength additive
Nationell ämneskategori
Pappers-, massa- och fiberteknik
Identifikatorer
URN: urn:nbn:se:miun:diva-34677OAI: oai:DiVA.org:miun-34677DiVA, id: diva2:1254361
Konferens
International Mechanical Pulping Conference (IMPC) 2018, May 27-30, 2018, Trondheim, Norway
Tillgänglig från: 2018-10-09 Skapad: 2018-10-09 Senast uppdaterad: 2018-10-09Bibliografiskt granskad

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Nordin, TommyNorgren, SvenPettersson, GunillaEngstrand, Per

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