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Lignin plasticization to improve binderless fiberboard mechanical properties

Abstract : Mechanical properties of binderless fiberboard are correlated to the hydrothermal history of the fibers during the board process. Water and temperature thickness gradients allow to calculate a gradient of T-Tg difference (7g, local glass transition temperature, function of local water content; T, local temperature). This gradient explains the variation of mechanical properties within the thickness and in time. The in situ plasticization of lignin, which is supposed to increase the T-Tg difference, improves the macroscopic mechanical properties of fiberboards.
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Submitted on : Sunday, May 31, 2020 - 11:29:43 PM
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  • HAL Id : hal-02681523, version 1
  • PRODINRA : 15520



Jalloul Bouajila, Angela Limare, Catherine Joly, Patrice Dole. Lignin plasticization to improve binderless fiberboard mechanical properties. Polymer Engineering and Science, Wiley-Blackwell, 2005, 45 (6), pp.809-816. ⟨hal-02681523⟩



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