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Physical Properties...
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Plackett, David
(författare)
Physical Properties and Morphology of Films Prepared from Microfibrillated Cellulose and Microfibrillated Cellulose in Combination with Amylopectin
- Artikel/kapitelEngelska2010
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Wiley,2010
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-29487
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-29487URI
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https://doi.org/10.1002/app.32254DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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QC 20110204
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Two types of microfibrillated cellulose (MFC) were prepared using either a sulfite pulp containing a high amount of hemicellulose (MFC 1) or a carboxymethylated dissolving pulp (MFC 2). MFC gels were then combined with amylopectin solutions to produce solvent-cast MFC-reinforced amylopectin films. Tensile testing revealed that MFC 2-reinforced films exhibited a more ductile behavior and that MFC 1-reinforced films had higher modulus of elasticity (E-modulus) at MFC loadings of 50 wt % or higher. Pure MFC films had relatively low oxygen permeability values when data were compared with those for a variety of other polymer films. MFC 1 and MFC 2 films had similar opacity but differences in appearance which were attributed to the presence of some larger fibers and nanofiber agglomerates in MFC 2. Field emission scanning electron microscopy (FE-SEM) and atomic force microscopy (AFM) were used to illustrate the morphology of MFC nanofibers in pure films and in an amylopectin matrix.
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Anturi, HarveyKTH,Biokompositer(Swepub:kth)u12rp26z
(författare)
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Hedenqvist, Mikael S.KTH,Polymera material(Swepub:kth)u10rkaxe
(författare)
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Ankerfors, Mikael
(författare)
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Gällstedt, Mikael
(författare)
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Lindström, Tom
(författare)
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Siró, Istvan
(författare)
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KTHBiokompositer
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Applied Polymer Science: Wiley117:6, s. 3601-36090021-89951097-4628
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