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  • Weighted average fiber length: an important parameter in papermaking.

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    Author(s) : Chauhan, V. S.Nitin KumarManoj KumarThapar, S. K.

    Author Affiliation : Thapar Centre for Industrial Research and Development, Paper Mill Campus, Yamuna Nagar 135 001, Haryana, India.

    Author Email : vipul@thaparpaperresearch.org

    Journal article : Taiwan Journal of Forest Science 2013 Vol.28 No.2 pp.51-65 ref.19

    Abstract : Long-fibered softwood and bamboo pulpspulpsSubject Category: Commodities and Products
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    with respective average fiber lengths of 2530 and 1688 µm were blended with eucalyptuseucalyptusSubject Category: Organism Names
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    pulp of 696 µm in average fiber length. The target was to obtain a weighted average fiber length (WAFL) of the blends similar to acaciaacaciaSubject Category: Organism Names
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    pulp at 990 µm average fiber length. All pulps were refined with different PFI mill revolutions, and handsheets were produced. The refining behavior, drainage of pulp, and various paperpaperSubject Category: Commodities and Products
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    properties (bulk, tensile strengthtensile strengthSubject Category: Properties
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    , burst strength, tear index, double fold, Scott bond, air permeability, and formation) were determined and compared. The WAFL had no effect on the refining energy demand or drainage rate of the blended eucalyptus pulp. The intrinsic fiber length of the pulp furnish had greater effects on the paper properties than did the WAFL. Acacia pulp provided lower paper strength compared to eucalyptus pulp at the same refining level. The tear index was higher with acacia than eucalyptus pulp, and after blending with softwood and bamboo, eucalyptus provided a greater tear index than did acacia, which illustrates the effect of the WAFL on the tear index of paper. At 500 mL CSF, respective increases in the tear index of paper made from eucalyptus pulp blended with softwood and bamboo pulps were 3 and 20% compared to that of acacia pulp.

    ISSN : 1026-4469

    URL : http://www.tfri.gov.tw/enu/pub_scienc...

    Record Number : 20133328734

    Publisher : Taiwan Forestry Research Institute

    Location of publication : Taipei

    Country of publication : Taiwan

    Language of text : English

    Language of summary : Chinese

    Indexing terms for this abstract:

    Organism descriptor(s) : AcaciaacaciaSubject Category: Organism Names
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    , EucalyptuseucalyptusSubject Category: Organism Names
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    Descriptor(s) : bamboosbamboosSubject Category: Organism Groups
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    , mechanical propertiesmechanical propertiesSubject Category: Properties
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    , paperpaperSubject Category: Commodities and Products
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    , pulpspulpsSubject Category: Commodities and Products
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    , tensile strengthtensile strengthSubject Category: Properties
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    , wood fibreswood fibresSubject Category: Commodities and Products
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    Identifier(s) : bamboo

    Broader term(s) : angiospermsangiospermsSubject Category: Organism Names
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    , SpermatophytaspermatophytaSubject Category: Organism Names
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    , plantsplantsSubject Category: Organism Names
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , MimosoideaemimosoideaeSubject Category: Organism Names
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    , FabaceaefabaceaeSubject Category: Organism Names
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    , FabalesfabalesSubject Category: Organism Names
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    , eudicotseudicotsSubject Category: Organism Names
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    , MyrtaceaemyrtaceaeSubject Category: Organism Names
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    , MyrtalesmyrtalesSubject Category: Organism Names
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