Research progress in perparation of plant-besed polyols by the liquefaction of lignocellulose
The composition of lignocellulose and liquefaction mechanism were introduced,and the research status,effects and defects of different catalysts for solvent thermal liquefaction were also reviewed.Due to the complex structure and high crystallinity of lignocellulose,it is not conducive to liquefaction,and the pretreatment of lignocellulose was proposed,including physical pretreatment,biological pretreatment and chemical pretreatment.
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