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Biomatrix from Stipa tenacissima L. and its Application in Fiberboard Using Date Palm Rachis as Filler

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The present study investigated the preparation of biomatrices from Stipa tenacissima L. and its valorization for fiberboard application. Resins were produced by extracting lignin from the Stipa tenacissima L. black liquor by soda process and combining it with glyoxal as crosslinking agent to produce lignin-glyoxal-resin (LGR). The matrix was characterized by several methods, such as FTIR and ATG/ATD, and then mixed with date palm rachis as reinforcing fibers in different proportions of 30 and 50% (w/w with respect to the matrix) to produce biodegradable composite materials. Then, their thermal and mechanical properties were determined, using differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA). The results obtained show that date palm rachis particles were effective in enhancing the thermo-mechanical properties of the thermoset matrix.
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Keywords: DATE PALM RACHIS; DMA; FIBERBOARD; GLYOXAL; KRAFT LIGNIN; THERMOSETTING RESINS

Document Type: Research Article

Publication date: April 1, 2017

This article was made available online on November 28, 2016 as a Fast Track article with title: "Biomatrix from <i>Stipa tenacissima</i> L. and its Application in Fiberboard Using Date Palm Rachis as Filler".

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