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    Author(s): Chin-Yin Hwang; Chung-Yun Hse; Elvin T. Choong
    Date: 1999
    Source: Proceedings, international conference on effective utilization of plantation timber; 1999 May 21-23; Chi-Tou, Taiwan, R.O.C. Chi-Tou, Taiwan, R.O.C.: Forest Products Association of R.O.C., Bulletin No. 16: 123-130.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (398 KB)

    Description

    Chemical compositions and fiber measurement of virgin and recycled fibers from three sources were determined. Results revealed that virgin southern pine fiber had highest alcohol-benzene extractive and lignin contents and lowest holo- and alpha-cellulose content among the three fiber types. Fiber length distribution of virgin fiber was less sensitive to disintegration. Effects of recycled fiber, panel configuration, and some processing variables on the performance of wood fiber-polyethylene composites were also studied. Investigation showed that replacing virgin fiber with recycled fiber adversely affected mechanical properties of fiberboard. In both homogenous and layered configurations with 20 percent polyethylene content, IB, MORb, MOEb, and dimensional stability were directly related to virgin fiber ratio. However, layered structure with 40 percent polyethylene showed improvement in dimensional stability. Experimental results also indicated that, at given composition, i.e., virgin fiber:recycled fiber: polyethylene=40:40:20, panel IB was affected by both hot press temperature and panel density; bending properties and water absorption were altered by panel density.

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    Citation

    Hwang, Chin-Yin; Hse, Chung-Yun; Choong, Elvin T. 1999. Effect of configuration and some processing variables on the properties of wood fiber-polyethylene composites. Proceedings, international conference on effective utilization of plantation timber; 1999 May 21-23; Chi-Tou, Taiwan, R.O.C. Chi-Tou, Taiwan, R.O.C.: Forest Products Association of R.O.C., Bulletin No. 16: 123-130.

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