XJIPC OpenIR  > 材料物理与化学研究室
尿素嵌入法制备纤维素氨基甲酸酯新工艺
吾满江.艾力; 哈丽丹; 董昕; 努尔买买提.阿布都克力木
2007-06-20
Rights Holder中国科学院新疆理化技术研究所
Date Available2013-11-27
Country中国
Subtype发明
Abstract本发明涉及一种尿素嵌入法制备纤维素氨基甲酸酯新工艺,是将纤维素浆粕在碱液中充分活化并滤出后,与尿素充分混合,在惰性溶剂体系中发生反应而生成纤维素氨基甲酸酯;反应结束后惰性溶剂会与反应混合物分离,产物可用热水洗涤纯化,洗液中的副产物回收利用。该工艺不需液态氨,纤维素用碱液活化到所需程度,尿素按所需取代度加入,整个过程没有原料损失。另外,由于尿素是直接加入并溶解在潮湿的碱纤维素中,体系中需要脱出的水分并不多,因此生产周期较短。
Application Date2005-04-26
Patent NumberZL200510070551.6
Status授权
Application Number200510070551.6
Document Type专利
Identifierhttp://ir.xjipc.cas.cn/handle/365002/3114
Collection材料物理与化学研究室
Recommended Citation
GB/T 7714
吾满江.艾力,哈丽丹,董昕,等. 尿素嵌入法制备纤维素氨基甲酸酯新工艺. ZL200510070551.6[P]. 2007-06-20.
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