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醋酸纤维素/聚乙烯基吡咯烷酮共混体系的特殊相互作用表征(Ⅱ)
引用本文:殷敬华,庞德仁,阎春珍.醋酸纤维素/聚乙烯基吡咯烷酮共混体系的特殊相互作用表征(Ⅱ)[J].高分子学报,1995,0(2):217-221.
作者姓名:殷敬华  庞德仁  阎春珍
作者单位:中国科学院长春应用化学研究所 130022
摘    要:通过测定醋酸纤维素(CDA)和聚乙烯基吡咯烷酮(PVP)共混物溶液的绝对粘度和特性粘数,发现CDA和PVP分子链段间有缔合现象,用富里哀变换红光谱(FTIR)研究了共混物的吸收光谱,发现共混物中CDA的羟基吸收峰和PVP的羰基吸收峰均向低频方向迁移,证明了CDA的羟基和PVP的羧基之间有氢键形成,研究结果表明CDA和PVP的相容性及其特殊相互作用来源于不同分子链段间的氢键相互作用。

关 键 词:相容性  粘度  FTIR  氢键  CDA  PVP
收稿时间:1992-10-18

INVESTIGATION OF SPECIFIC INTERACTION FOR MISCIBLE CELLULOSE DIACETATE/POLY (VINYL PYRROLIDONE)
YIN Jing-hua,PANG De-ren,YAN Chun-zhen.INVESTIGATION OF SPECIFIC INTERACTION FOR MISCIBLE CELLULOSE DIACETATE/POLY (VINYL PYRROLIDONE)[J].Acta Polymerica Sinica,1995,0(2):217-221.
Authors:YIN Jing-hua  PANG De-ren  YAN Chun-zhen
Institution:Polymer Physics Laboratory.Changchun Institute of AppliedChcmistry; Chinese Academy of Sciences; Changchun 130022
Abstract:The absolute viscosity and the intrinsic viscosity were measured forCDA/PVP solutions. The experimental results suggested that molecular chains ofCDA and PVP were strongly associated together. FTIR was used to investigate onthe nature of the association of molecular chains of CDA and PVP. Hydrogen bondswere formed between hydroxy groups of CDA and carbonyl groups of PVP.Themiscibility of CDA with PVP were introduced by the specific interaction of hydrogen bonds.
Keywords:
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