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首页> 外文期刊>journal of applied polymer science >Novel cellulose derivatives. I. Liquid crystal phase formation in tri‐O‐α‐naphthylmethyl cellulose solutions
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Novel cellulose derivatives. I. Liquid crystal phase formation in tri‐O‐α‐naphthylmethyl cellulose solutions

机译：Novel cellulose derivatives. I. Liquid crystal phase formation in tri‐O‐α‐naphthylmethyl cellulose solutions

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AbstractTri‐O‐α‐naphthylmethyl cellulose was prepared by homogeneous phase reaction using SO2–diethylamine (DEA)–dimethyl sulfoxide (DMSO) as the solvent system. Observations made by dynamic mechanical spectrometry and by cross‐polarized optical microscopy revealed liquid crystalline behavior for the concentrated solutions of tri‐O‐α‐naphthylmethyl cellulose in dimethylacetamide (DMAc). Experimental and calculated (predicted) critical volume fraction of the derivative,Vcp, did not show agreement. It is determined thatVcpis affected by bulky substituents on the cellulose backbone to some extent. © 1993

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