MigneaultKoubaaErchiquiEtAl2008

Référence

Migneault, S., Koubaa, A., Erchiqui, F., Chaala, A., Englund, K., Krause, C., Wolcott, M. (2008) Effect of fiber length on processing and properties of extruded wood-fiber/HDPE composites. Journal of Applied Polymer Science, 110(2):1085-1092. (Scopus )

Résumé

Fiber length and distribution play important roles in the processing and mechanical performance of fiber-based products such as paper and fiberboard. In the case of wood-plastic composites (WPC), the production of WPC with long fibers has been neglected, because they are difficult to handle with current production equipment. This study provides a better understanding or the effect of fiber length on WPC processing and properties. The objectives of this study were therefore to determine the role of fiber length in the formation process and property development of WPC. Three chemithermomechanical pulps (CTMP) with different lengths, distributions, and length-to-diameter ratios (L/D) were obtained by mechanical refining. Length, shape, and distribution were characterized using a fiber quality analyzer (FQA). The rheometer torque properties of high-density polyethylene (HOPE) filled with the pulps at different loads were studied. Variations in fiber load and length distribution resulted in significant variations in melting properties and torque characteristics. Composites from the three length distributions were successfully processed using extrusion. Physical and mechanical properties of the obtained composites varied with both length distribution and additive type. Mechanical properties increased with increasing fiber length, whereas performance in water immersion tests decreased. © 2008 Wiley Periodicals, Inc.

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@ARTICLE { MigneaultKoubaaErchiquiEtAl2008,
    AUTHOR = { Migneault, S. and Koubaa, A. and Erchiqui, F. and Chaala, A. and Englund, K. and Krause, C. and Wolcott, M. },
    TITLE = { Effect of fiber length on processing and properties of extruded wood-fiber/HDPE composites },
    JOURNAL = { Journal of Applied Polymer Science },
    YEAR = { 2008 },
    VOLUME = { 110 },
    PAGES = { 1085-1092 },
    NUMBER = { 2 },
    ABSTRACT = { Fiber length and distribution play important roles in the processing and mechanical performance of fiber-based products such as paper and fiberboard. In the case of wood-plastic composites (WPC), the production of WPC with long fibers has been neglected, because they are difficult to handle with current production equipment. This study provides a better understanding or the effect of fiber length on WPC processing and properties. The objectives of this study were therefore to determine the role of fiber length in the formation process and property development of WPC. Three chemithermomechanical pulps (CTMP) with different lengths, distributions, and length-to-diameter ratios (L/D) were obtained by mechanical refining. Length, shape, and distribution were characterized using a fiber quality analyzer (FQA). The rheometer torque properties of high-density polyethylene (HOPE) filled with the pulps at different loads were studied. Variations in fiber load and length distribution resulted in significant variations in melting properties and torque characteristics. Composites from the three length distributions were successfully processed using extrusion. Physical and mechanical properties of the obtained composites varied with both length distribution and additive type. Mechanical properties increased with increasing fiber length, whereas performance in water immersion tests decreased. © 2008 Wiley Periodicals, Inc. },
    COMMENT = { Cited By (since 1996): 6 Export Date: 10 February 2010 Source: Scopus CODEN: JAPNA doi: 10.1002/app.28720 },
    ISSN = { 00218995 (ISSN) },
    KEYWORDS = { Extrusion, Fiber length, High density polyethylene, Torque rheometer, Wood-plastic composite, ABS resins, Carbon fiber reinforced plastics, Extrusion, Fibers, Forming, Image segmentation, Plastics, Polymer matrix composites, Pulp, Pulp refining, Rheometers, Thermoplastics, Wood products, Chemithermomechanical pulps, Current productions, Diameter ratios, Fiber length, Fiber lengths, Fiber quality analyzers, Formation processes, High densities, In fibers, Length distributions, Long fibers, Mechanical performances, Melting properties, Physical and mechanical properties, Plastic composites, Property developments, Torque characteristics, Torque rheometer, Water immersion tests, Mechanical properties, Carbon Fibers, Composites, Extrusion, Fiber Length, High Density Polyethylene, Mechanical Properties, Polymer Wood Combinations, Reinforced Plastic, Thermoplastics, Wood Products, composite, density, extrusion, fiber property, fiber reinforced composite, length, mechanical property, natural fiber, torque },
    OWNER = { Luc },
    TIMESTAMP = { 2010.02.10 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-55849103529&partnerID=40&md5=11394dc803f5e7e889d92960494a9614 },
}

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