含不同取代芘基团St/DVB交联树脂的合成及其溶胀态光物理性质  

SYNTHESIS AND SWELLING-PHOTOPHYSICAL PROPERTIES OF ST/DVB CROSSLINKED COPLYMER BEADS CONTAINING DIFFERENT SUBSTITUTED PYRENE GROUPS

作　　者：郑博[1] 梁远峰[1] 李贺先[1] 王国昌[1] 

机构地区：[1]功能高分子材料教育部重点实验室,南开大学高分子化学研究所,天津300071

出　　处：《离子交换与吸附》2008年第2期97-104,共8页Ion Exchange and Adsorption

基　　金：国家自然科学基金(20774053;50273014;29928003);天津市自然科学基金(03380261)

摘　　要：采用功能基化反应和单体共聚两种方法合成了一系列含有Py-CO-基团和Py-CH2-基团的芘标记苯乙烯/二乙烯基苯(St/DVB)交联树脂及其相应的含芘模型化合物。通过比较分析共聚物珠体和模型化合物的荧光光谱,研究了交联树脂溶胀态的光物理行为。初步研究结果表明,标记基团的激基缔合物形成及Ham效应等光物理性质可敏感地反映树脂中标记的浓度、微环境极性以及树脂的溶剂化程度。A series of Py-CO- and Py-CH2- labelled St/DVB crosslinked copolymer beads and their corresponding model compounds were synthesized by both functionalization and eopolymerization methods. The photophysical properties of the swollen copolymer beads were studied by a joint analysis of the fluorescence spectra of both the copolymer beads and the model compounds. The results shew that the labelled Pyrene groups can sensitively probe the properties of the swollen beads, such as the label concentration, the micropolarity and the solvation extant.

关 键 词：芘标记 St/DVB交联树脂 溶胀 光物理 

分 类 号：O631[理学—高分子化学]