Effect of lignin derivatives in the bio-polyols from microwave liquefied bamboo on the properties of polyurethane foams

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  • Authors: Xie, Jiulong; Qi, Jinqiu; Hse, Chung-Yun; Shupe, Todd F.
  • Publication Year: 2014
  • Publication Series: Scientific Journal (JRNL)
  • Source: BioResources. 9(1):578-588.

Abstract

Bamboo residues were subjected to a microwave-assisted liquefaction process for the production of crude bio-polyols (CBP). The fractionated bio-polyols (FBP) were obtained by the removal of lignin derivatives from the crude bio-polyols (CBP) using a simple method. Polyurethane (PU) foams were successfully prepared from both CBP and FBP. The object of this study was to evaluate the effect of lignin derivatives in bio-polyols on the physical properties, thermal stability, and microstructure of PU foams. The results revealed that the PU foam made from CBP had a higher density and superior thermal stability compared to that made from FBP; however, they were also much more fragile. Scanning electron Microscope (SEM) images indicated that the lignin compounds in the CBP had impact on the structure of the PU foam.

  • Citation: Xie, Jiulong; Qi, Jinqiu; Hse, Chung-Yun; Shupe, Todd F. 2014. Effect of lignin derivatives in the bio-polyols from microwave liquefied bamboo on the properties of polyurethane foams. BioResources. 9(1):578-588. 11 p.
  • Keywords: Bamboo, liquefaction, microwave, lignin derivatives, polyurethane foam
  • Posted Date: September 19, 2014
  • Modified Date: May 11, 2015

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