摘要
通过"超分子构筑调控/逐步偶联聚合法",首先以强荧光性的1,6-二氨基芘为模板剂将苯基三氯硅烷偶联成梯形模板单元(Py-Ph-LS),模板单元再在氢键作用下经水解、缩合得到芘桥基聚苯基硅氧烷(Py-Ph-LP)。产物结构通过红外(FT-IR)、硅谱(29Si-NMR)和X射线衍射(XRD)进行了表征,结果表明该聚合物具有梯形结构;对聚合物与二氨基芘的荧光性能进行了比较,结果表明聚合物的荧光发射波长发生蓝移。
A diaminopyrene-bridged ladder-like polyphenylsiloxane（Py-Ph-LP） has been synthesized by means of ＂supramolecular architecture-directed-stepwise coupling polymerization＂ with 1,6-diaminopyrene as a template.The monomer unit PhSiCl3 self-assembled into ladder superstructure（Py-Ph-LS） via amido group hydrogen bonding interactions.The Py-Ph-LP was subsequently formed through further concerted hydrogen bonding interactions.29Si-NMR,XRD and FT-IR data showed that the polymer had a ladder-like regularity.Fluorescence emission spectroscopy showed that the polysiloxane had a shorter emission wavelength than diaminopyrene.
出处
《北京化工大学学报（自然科学版）》
CAS
CSCD
北大核心
2012年第1期33-36,共4页
Journal of Beijing University of Chemical Technology(Natural Science Edition)
关键词
二氨基芘
梯形聚硅氧烷
发光材料
diaminopyrene
ladderlike polysiloxane
luminescent material
