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木质纤维是一种来源广泛、数量巨大的可再生能源,对其的有效利用是今年来的研究热点,而将结构规整、结晶度高的木质纤维溶解这一技术难题首当其冲。离子液体作为三大绿色溶剂之一,在溶解生物质领域的研究持续升温。本文从离子液体溶解木质纤维全球专利申请量趋势、区域分布、申请人角度对该领域专利情况进行总体分析,分析其技术发展路线。
Lignocellulosic fiber is a kind of renewable energy source with a wide range of sources and huge quantities. The effective utilization of lignocellulosics is the research hotspot this year. However, the technical problem of dissolving the lignocellulose with regular structure and high crystallinity is the brunt. As one of the three major green solvents, ionic liquids research continues to heat up in the field of dissolving biomass. In this paper, the global patent applications of lignocellulose in ionic liquids are analyzed. The trend of patent applications, the regional distribution and the applicants’ perspective are analyzed on the patent situation in this field, and the technical development route is analyzed.