METHOD OF OBTAINING MICROCRYSTALLINE CELLULOSE
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
The claimed invention belongs to the chemical processing of cellulose-containing raw materials and refers to a method of producing microcrystalline cellulose， for use as a filler and binder in chemical， chemical-pharmaceutical and food industries and medicine. Method of production microcrystalline cellulose from flax fibers includes organosolvent delignification of crushed flax fibers， acid processing and hydrolysis of cellulose. What is new is organosolvent delignification is carried out with a mixture of acetic acid and hydrogen peroxide with a concentration of 35% in the ratio of reagents 70:30， at a temperature of 95 ± 2 ° C for 60-120 minutes， acid treatment of the obtained cellulose is carried out with a mixture of hydrochloric and hydrofluoric acid with concentration of 2% at a temperature of 60 ° C for 240 minutes， the hydrolysis process carried out with a solution of hydrochloric acid with a concentration of 1% GM 15: 1 for temperature 95 ± 2 ° C for 90 minutes The method of obtaining the claimed microcrystalline cellulose provides microcrystalline cellulose， which is suitable for use as a filler and binder in chemical， chemical-pharmaceutical and food industry and medicine with lower reagent costs and reduction stages of its production.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
