New Facile Method for the Hetergeneous Synthesis of Cyanoethyl Cellulose- Solvent Method，and Comparing with Traditional Method

Abstract:

Cyanoethyl cellulose (CEC) with high degree of substitution and uniform distribution was synthesized by solvent method. The choice of solvent, control of base volume, feeding methods and other factors were optimized , toluene/isopropanol (85/15) is the best solvent . Using FT-IR, elemental analysis, TG, DMA, X-ray and other means, we compared the structure, degree of substitution, the crystallinity, thermal stability, dynamic mechanical properties, dielectric properties and acid and alkali resistance between the CECs by solvent method and traditional method. The CEC products by solvent method showed lower crystallinity due to its more uniform distribution, better thermal stable, similar high dielectric with a lower DS , and higher Tg and better resistance to the acid and/or alkaline than CEC by traditional method.Those findings demonstrated solvent method was a new facile and industrial method to synthesize high substituted and uniform distributed cyanoethyl celluloses with good performances.

• Periodical: Advanced Materials Research (Volumes 239-242)
• Pages: 2084-2090
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.239-242.2084
• Online since: May 2011
• Authors: Hui Qing Wang, Zi Qiang Shao, Shao Yi Lv
• Keywords: Cyanoethyl Cellulose, Hetergeneous Synthesis, Solvent Method

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