Preparation and thermostability of hydrophobic modified nanocrystalline cellulose
Source abstract
Abstract
Abstract In this paper, we provide a new approach for the anionic modification and functional application of nanocellulose. The nanocrystalline cellulose (NCC) is prepared from microcrystalline cellulose (MCC) and modified by fatty acids (lauric acid, palmitic acid and stearic acid). Ammonium ceric sulfate or hydrogen peroxide/ferrous sulfate being used as an initiator, three kinds of modified nanocrystalline cellulose (MNCC) can be synthesized at low temperature. The terminology for these MNCC is L-MNCC (NCC modified by lauric acid), P-MNCC (NCC modified by palmitic acid) and S-MNCC (NCC modified by stearic acid). Compared with those existing synthesized methods, the reaction condition is mild, and the modified products show strong stability. It can be seen from morphological structure analysis and reaction conditions analysis of MNCC that the original structure of cellulose is changed slightly. And the optimal conditions for preparing MNCC are obtained. The best yields of L-MNCC, P-MNCC and S-MNCC are 54.2 %, 20.9 % and 14.5 %, respectively.
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Research context
OpenAlex topics: Advanced Cellulose Research Studies · Lignin and Wood Chemistry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering , Qingdao University of Science & Technology , Qingdao , , China
Guangxi Key Laboratory of Polysaccharide Materials and Modification, School of Chemistry and Chemical Engineering , 47874 Guangxi University for Nationalities , Nanning , , China
State Key Laboratory Base of Eco-chemical Engineering , Qingdao , , China
Key Laboratory of Biomass Chemical Engineering of Ministry of Education , Zhejiang University , Hangzhou , , China
Funding
Natural Science Foundation of Shandong Province · Zhejiang University
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