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A study on some properties of thin biocomposites made from unbeaten wood and non-wood pulps

Science and engineering of composite materials, 2012-09, Vol.19 (3), p.287-293 [Peer Reviewed Journal]

ISSN: 0792-1233 ;EISSN: 2191-0359 ;DOI: 10.1515/secm-2012-0008

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  • Title:
    A study on some properties of thin biocomposites made from unbeaten wood and non-wood pulps
  • Author: Karademir, Arif ; Varlibas, Hulya ; Karahan, Selim
  • Subjects: biocomposites ; coarseness ; fiber compressibility ; fiber length ; papermaking ; plant fibers ; relative bond area ; tensile index
  • Is Part Of: Science and engineering of composite materials, 2012-09, Vol.19 (3), p.287-293
  • Description: A number of thin biomaterials were prepared via a wet formation method from seven different unbeaten plant fibers without using any chemical additives. It is noted that sheets made with short fibers (Flax-B: 0.32 mm and Straw-UB: 0.36 mm) and high fine content (Flax-B: 9.77% and Straw-UB: 10.64%) showed higher tensile index values (Flax-B: 27 Nm/g and Straw-UB: 25 Nm/g) than those made from long fibers. Despite having the longest fibers (1.11 mm) in studied samples, the tensile index values of sheet sample made from Pine-S-UB was just 12 Nm/g, which is just half of short-fibered (0.36 mm) straw sheets. Air permeability of sheets made from Pine-S-UB and Straw-UB were 5322 and 917 ml/min, respectively. Densities of the same sheets in the same order were 493 and 539 kg/m . It is concluded that long cellulose fibers actually produce bulky materials with limited interfiber contacting areas, while short ones give biocomposites with higher density values indicating a firmly compacted internal structure in the case of utilizing plant fibers without beating and refining. Results would be usable when producing biocomposites from plant fibers via wet formation followed by various resins and polymer moldings.
  • Publisher: De Gruyter
  • Language: English
  • Identifier: ISSN: 0792-1233
    EISSN: 2191-0359
    DOI: 10.1515/secm-2012-0008
  • Source: Alma/SFX Local Collection
    Walter De Gruyter: Open Access Journals
    DOAJ Directory of Open Access Journals
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