Effects of hot water treatment of raw bark, coupling agent, and lubricants on properties of bark/HDPE composites

Martin Claude Ngueho Yemele, Ahmed Koubaa, Alain Cloutier, Patrice Soulounganga, Tatjana Stevanovic, Michael P. Wolcott

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Hot water treated and untreated black spruce bark (BSB) and trembling aspen bark (TAB) fibers were combined with high density polyethylene (HDPE) to produce bark thermoplastic composites by extrusion. Bark fibers of three size categories (fine, medium, and coarse) were used at contents of 50% and 60% based on oven dry weight. The effects of hot water treatment of raw bark and the addition of coupling agent (MAPE) and lubricants (OP-100, talc) on the flexural and tensile properties of bark/HDPE composites were investigated. Results showed a significant impact of hot water treatment on tensile properties of composites made with BSB and on tensile and flexural strength of composites made with TAB. The addition of coupling agent and lubricants significantly improved the flexural and tensile strength properties of bark/HDPE composites but reduced toughness and strain.

Original languageEnglish (US)
Pages (from-to)50-56
Number of pages7
JournalIndustrial Crops and Products
Volume42
Issue number1
DOIs
StatePublished - Mar 1 2013

Fingerprint

lubricants
hot water treatment
composite materials
polyethylene
bark
Populus tremuloides
Picea mariana
talc
thermoplastics
tensile strength
ovens
extrusion

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science

Cite this

Ngueho Yemele, M. C., Koubaa, A., Cloutier, A., Soulounganga, P., Stevanovic, T., & Wolcott, M. P. (2013). Effects of hot water treatment of raw bark, coupling agent, and lubricants on properties of bark/HDPE composites. Industrial Crops and Products, 42(1), 50-56. https://doi.org/10.1016/j.indcrop.2012.05.012
Ngueho Yemele, Martin Claude ; Koubaa, Ahmed ; Cloutier, Alain ; Soulounganga, Patrice ; Stevanovic, Tatjana ; Wolcott, Michael P. / Effects of hot water treatment of raw bark, coupling agent, and lubricants on properties of bark/HDPE composites. In: Industrial Crops and Products. 2013 ; Vol. 42, No. 1. pp. 50-56.
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Ngueho Yemele, MC, Koubaa, A, Cloutier, A, Soulounganga, P, Stevanovic, T & Wolcott, MP 2013, 'Effects of hot water treatment of raw bark, coupling agent, and lubricants on properties of bark/HDPE composites', Industrial Crops and Products, vol. 42, no. 1, pp. 50-56. https://doi.org/10.1016/j.indcrop.2012.05.012

Effects of hot water treatment of raw bark, coupling agent, and lubricants on properties of bark/HDPE composites. / Ngueho Yemele, Martin Claude; Koubaa, Ahmed; Cloutier, Alain; Soulounganga, Patrice; Stevanovic, Tatjana; Wolcott, Michael P.

In: Industrial Crops and Products, Vol. 42, No. 1, 01.03.2013, p. 50-56.

Research output: Contribution to journalArticle

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AU - Ngueho Yemele, Martin Claude

AU - Koubaa, Ahmed

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AU - Soulounganga, Patrice

AU - Stevanovic, Tatjana

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AB - Hot water treated and untreated black spruce bark (BSB) and trembling aspen bark (TAB) fibers were combined with high density polyethylene (HDPE) to produce bark thermoplastic composites by extrusion. Bark fibers of three size categories (fine, medium, and coarse) were used at contents of 50% and 60% based on oven dry weight. The effects of hot water treatment of raw bark and the addition of coupling agent (MAPE) and lubricants (OP-100, talc) on the flexural and tensile properties of bark/HDPE composites were investigated. Results showed a significant impact of hot water treatment on tensile properties of composites made with BSB and on tensile and flexural strength of composites made with TAB. The addition of coupling agent and lubricants significantly improved the flexural and tensile strength properties of bark/HDPE composites but reduced toughness and strain.

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