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The relationship be...
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Antonsson, StefanKTH,Träkemi och massateknologi
(författare)
The relationship between hygroexpansion, tensile stiffness, and mechano–sorptive creep in bleached hardwood kraft pulps
- Artikel/kapitelEngelska2010
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LIBRIS-ID:oai:DiVA.org:kth-11719
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-11719URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-29564URI
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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 20100629
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cited By 0
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Hygroexpansion coefficient and tensile stiffness are important parameters in many paper applications. This study compares several bleached industrial hardwood kraft pulps, comprising five eucalypt pulps from South America, Europe, and Africa as well as an acacia pulp from Asia and a birch pulp from Scandinavia. Refined and unrefined pulps are compared. The results indicate significant differences in hygroexpansion but smaller differences in tensile stiffness index at comparable densities. No single factor offering a reasonable explanation of these differences in hygroexpansion coefficient, such as carbohydrate composition, fibre dimensions, or fibre form, was found. However, correlation between hygroexpansion coefficient and the mechano-sorptive creep stiffness was observed. We suggest that the hygroexpansion coefficient at a given tensile stiffness level can be used to rank pulps in terms of their mechano-sorptive creep properties.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Pulkkinen, IiroChemical Engineering, Department of Biotechnology and Chemical Technology, Helsinki University of Technology (TKK), Espoo, Finland
(författare)
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Fiskari, JuhaMetsä-Botnia, Joutseno Mill, Lappeenranta, Finland
(författare)
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Karlström, Katarina,1963-RISE,KTH,Träkemi och massateknologi,Innventia(Swepub:kth)u1k2i05t
(författare)
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Lindström, Mikael E.KTH,Träkemi och massateknologi(Swepub:kth)u1uxn4q9
(författare)
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KTHTräkemi och massateknologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Appita journal63:1, s. 231-1038-6807
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