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Physicomechanical properties of composites from recycled polyethylene and linen yarn production wastes

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Abstract

The possibilities of utilizing wastes of linen thread production (chaffs, spinning and roving losses) in recycled polyolefin composites have been investigated. The wastes were mixed with recycled polyethylenes (produced from domestic and industrial film production wastes). The physicomechanical properties (tensile strength, bending and tensile moduli, and water resistance) and the fluidity (melt flow-behavior index) for systems with a different filler content are estimated. Almost all the composite materials obtained have satisfactory fluidity (melt flow-behavior index is not lower than 0.07–0.15 dg/min). For all types of the composites, a slight increase in tensile strength and a considerable increase (3–7 times) in bending and tensile moduli were observed. The water resistance of the composites decreased with an increase in the filler content. The modification of filled systems with diisocyanates (diphenylmethane diisocyanate) improved the useful properties and water resistance of all the composites investigated.

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Authors and Affiliations

  1. Institute of Polymer Materials, Riga Technical University, LV-1048, Riga, Latvia

    J. A. Kajaks & S. A. Reihmane

  2. Institute of Polymer Mechanics, University of Latvia, LV-1006, Riga, Latvia

    M. G. Tsiprin

Authors
  1. J. A. Kajaks
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  2. S. A. Reihmane
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  3. M. G. Tsiprin
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Translated from Mekhanika Kompozitnykh Materialov, Vol. 35, No. 2, pp. 199–210, March–April, 1999.

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Kajaks, J.A., Reihmane, S.A. & Tsiprin, M.G. Physicomechanical properties of composites from recycled polyethylene and linen yarn production wastes. Mech Compos Mater 35, 139–146 (1999). https://doi.org/10.1007/BF02257244

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  • DOI: https://doi.org/10.1007/BF02257244

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