Preparation method of nano cellulose in high length-to-diameter ratio
A nanocellulose, high aspect ratio technology, applied in the use of microorganism/enzyme cellulose treatment, fiber raw material treatment, pulp beating method, etc., can solve the problem of nanocellulose particle size distribution wide, nanocellulose operation complex, consumption Time and other problems, to achieve the effect of green preparation method, solve the problem of nanocellulose agglomeration, and reduce energy consumption
Active Publication Date: 2019-10-25
ZHEJIANG JINCHANG SPECIALTY PAPER CO LTD
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Abstract
The invention provides a preparation method of nano cellulose in a high length-to-diameter ratio. The method includes steps: treating lignocelluloses with a complex biological enzyme, beating the treated lignocelluloses into a certain degree of beating by a beating machine, adding an appropriate amount of a dispersing agent or ground minerals into obtained slurry, performing colloid mill circulartreatment, and continuously reducing a mill gap along with increasing of cycle times to obtain the nano cellulose in the high length-to-diameter ratio. Problems of high energy consumption in nano cellulose preparation and agglomeration of the nano cellulose in the high length-to-diameter ratio due to the hydrogen-bond interaction in a preparation process are solved.
Application Domain
Pulp beating methodsFermentation +1
Technology Topic
Colloid millEnzyme +9
Examples
- Experimental program(1)
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