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Sustainable fillers for paper
2008 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Development of biodegradable fillers for paper was aimed in this master’s project. Three different types of starch were acetylated to high degree of substitution according to Wurzburg. Through a two-stage method, precipitated starch acetate fillers were manufactured. These manufactured PSA fillers were further investigated through characterization techniques. Handsheets containing these organic fillers were formed. Also PCC and GCC as two conventional mineral fillers were used in sheet-forming. Physical tests on the sheets were performed to investigate their physical properties. The fully organic sheets revealed lower structural density and higher surface roughness than mineral-containing sheets. Moreover they showed optical and mechanical properties almost the same as GCC-containing sheets. Paper grades comprising these starch-based fillers can either be biodegraded or combusted as fuel.

Place, publisher, year, edition, pages
Keyword [en]
Physics Chemistry Maths, Biodegradable Filler, Organic filler, Starch Acetate
Keyword [sv]
Fysik, Kemi, Matematik
URN: urn:nbn:se:ltu:diva-44978ISRN: LTU-PB-EX--08/112--SELocal ID: 2b967847-3c0d-48ed-8498-3c3d46a52272OAI: diva2:1018257
Subject / course
Student thesis, at least 30 credits
Educational program
Chemical Engineering, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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