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Fractionation of the Biopolyols from Lignocellulosic Biomass for the Production of Rigid Foams

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Abstract

The objective of this investigation was to find a simple method for the production of phenolic-rich products and sugar derivatives via separation of liquefied lignocellulosic materials. After liquefaction, the liquefied products were separated by addition of a sufficient amount of water. It was found that those hydrophobic phenolics could be largely separated from aqueous solutions. Preparation of polyurethane foams using biopolyol and isocyanate was studied. Water was used as an environmentally friendly blowing agent. The factors influencing the cell structure of foams such as catalyst, dosage of blowing agent, and mass ratio of biopolyol to PEG were studied. The microstructure of synthesized foams was characterized by SEM.

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Acknowledgments

The authors would like to thank the “Commonweal Research Foundation of Forestry” (201204801) for financial support during this investigation.

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Authors and Affiliations

  1. College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China

    Zhuan Wang, Song Xu, Wan-peng Hu & Ya-jie Xie

Authors
  1. Zhuan Wang
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  2. Song Xu
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  3. Wan-peng Hu
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  4. Ya-jie Xie
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Correspondence to Zhuan Wang.

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Wang, Z., Xu, S., Hu, Wp. et al. Fractionation of the Biopolyols from Lignocellulosic Biomass for the Production of Rigid Foams. Bioenerg. Res. 6, 896–902 (2013). https://doi.org/10.1007/s12155-013-9320-9

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  • DOI: https://doi.org/10.1007/s12155-013-9320-9

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