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    Rapid Microwave-Assisted Ionothermal Dissolution of Cellulose and Its Regeneration Properties

    Xu Wang1,3, Jianhong Zhou1,2, Bo Pang1,2, Dawei Zhao1,2,*

    Journal of Renewable Materials, Vol.7, No.12, pp. 1363-1380, 2019, DOI:10.32604/jrm.2019.08218

    Abstract Introduction of the strategy of anhydrous calcium carbonate protection incorporated with the drop by drop reaction, high-purity 1-butyl-3-methylimidazolium chloride ([Bmim] Cl) was prepared at reaction temperature of 80°C for only 10 h. Cellulose samples from different biomass sources (with different degree of polymerization characteristic) could be rapidly (no more than 10 minutes) and completely dissolved in the [Bmim] Cl using a microwave-assisted ionothermal route. Homogeneous cellulosic regenerates with high degree of polymerization and thermal stability characteristics were obtained through a coagulation process in water. Furthermore, the dissolved celluloses were readily regenerated into solid products such as casting films and spinning… More >

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