高等学校化学学报

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超支化聚(β-环糊精)的合成与表征

田威, 范晓东, 姜敏, 丁文秀, 王昊, 刘郁杨   

  1. 西北工业大学理学院应用化学系, 西安 710072
  • 收稿日期:2007-08-14 修回日期:1900-01-01 出版日期:2008-01-10 发布日期:2008-01-10
  • 通讯作者: 范晓东

Synthesis and Characterization of Hyperbranched Poly(β-cyclodextrin)

TIAN Wei, FAN Xiao-Dong*, JIANG Min, DING Wen-Xiu, WANG Hao, LIU Yu-Yang   

  1. Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi′an 710072, China
  • Received:2007-08-14 Revised:1900-01-01 Online:2008-01-10 Published:2008-01-10
  • Contact: FAN Xiao-Dong

摘要: 通过硅氢加成反应, 以ABx型功能化β-环糊精大单体为原料, 采用一步法合成出新型超支化聚(β-环糊精)高分子. ABx大单体由单取代对甲苯磺酰化β-CD依次与烯丙基胺、1,1,3,3-四甲基二硅氧烷(含氢双封头)及丙烯酰氯反应得到. 采用1H NMR, 13C NMR, 29Si NMR和飞行时间质谱对ABx大单体及其聚合物的结构进行了表征. 利用凝胶渗透色谱/多角度激光光散射(SEC/MALLS)联用仪得到了超支化聚(β-环糊精)的分子量、分子量分布及本体黏度.

关键词: ABx型环糊精大单体, 超支化聚合物, 超支化聚(β-环糊精), 硅氢加成

Abstract: Hyperbranched poly(β-cyclodextrin) was successfully prepared via hydrosilylation from ABx type cyclodextrin monomer. The molecular structures of ABx monomer and hyperbranched polymer were characterized with 1H NMR, 13C NMR, 29Si NMR, MALDI-TOF MS and elemental analysis. In addition, molecular weight, molecular weight distribution(MWD) and intrinsic viscosity of hyperbranched polymer were obtained via size exclusion chromatography/multi-angle laser light scattering(SEC/MALLS) technology.

Key words: ABx type cyclodextrin monomer, Hyperbranched polymer, Hyperbranched poly(β-cyclodextrin), Hydrosilylation

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