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公开(公告)号：US20240328084A1
公开(公告)日：2024-10-03
申请号：US18622890
申请日：2024-03-30
CPC分类号： D21C3/20 , D02G3/02 , D10B2201/01
摘要： Embodiments of the present disclosure pertain to methods of removing lignin from a material by associating the material with a deep eutectic solvent (DES) that includes at least one hydrogen bond acceptor (HBA) and at least one hydrogen bond donor (HBD). The methods of the present disclosure may also include one or more steps of heating the solvent-associated material, separating the material from the solvent, drying the material, washing the material, and/or processing the material. Additional embodiments of the present disclosure pertain to delignified materials that are formed in accordance with the methods of the present disclosure.
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2.发明公开公开(公告)号：US20240262937A1
公开(公告)日：2024-08-08
申请号：US18626439
申请日：2024-04-04
CPC分类号： C08B37/003 , B82Y40/00 , C08B37/0003
摘要： Provided herein are methods for the preparation of chitin nanocrystals, nanowhiskers, or both directly from a raw chitinous biomass without the prior isolation of a raw chitin polymer using an ionic liquid comprising: drying the raw chitinous biomass; and extracting in a single step a purified chitin by hydrolyzing with an ionic liquid from a raw, unpurified chitinous biomass, wherein the chitin nanocrystals and nanowhiskers comprise at least one of a high aspect ratio, are highly crystalline, or have high thermal stability.
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