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AFM study of Micro Fibrllated Cellulose, (MFC) in controlled atmosphere
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Physics.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
AFM studie av Mikro Fibrillerad Cellulosa (MFC) i kontrollerad atmosfär (Swedish)
Abstract [en]

In this thesis, Atomic Force Microscopy (AFM) is used to characterize Micro Fibrillated Cellulose (MFC) produced by two different methods according to their size and shape. For one of these MFC-types, their interaction with the humidity in the atmosphere is investigated and their swelling is calculated. MFC is a relatively new material based on cellulose fibres extracted from wood. This study is performed in co-operation with Stora Enso research centre. Stora Enso is a renewable material company which uses mostly wood based raw materials in their production. The measured swelling is ~ 5 % and depends on the number of elementary fibrils included in the fibre.

Abstract [sv]

Atomkraftsmikroskopi (AFM) har använts för att karakterisera Mikro Fibrillerad Cellulosa (MFC), som är producerad med två olika produktionsmetoder, med avseende på deras storlek och form. För en av dessa MFC-typer så är deras påverkan av en varierande fuktig atmosfär undersökt och deras svällning är uträknad. MFC är ett relativt nytt material baserat på cellulosafibrer från trä. Detta examensarbete är utfört i samarbete med Stora Enso forskningscentrum. Stora Enso är ett företag fokuserat på förnyelsebara material som använder mestadels träbaserade råmaterial i deras prodiktion. Den uppmätta svällningen är ~ 5 % och beror av antalet elementära fibriller som ingår i fibern.

Place, publisher, year, edition, pages
2016. , 37 p.
Keyword [en]
AFM Micro Fibrillated Cellulose MFC Controlled Atmosphere Humidity Swelling
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kau:diva-41986OAI: oai:DiVA.org:kau-41986DiVA: diva2:926790
External cooperation
Stora Enso
Subject / course
Physics
Educational program
Master of Science in Engineering, Degree Programme in Engineering Physics (120 ECTS credits)
Presentation
2016-03-10, 21 D 302, Karlstad, 19:29 (Swedish)
Supervisors
Examiners
Available from: 2016-05-17 Created: 2016-05-09 Last updated: 2016-05-17Bibliographically approved

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