Page 48 - 《精细化工》2020年第5期
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第 37 卷第 5 期                             精   细   化   工                                  Vol.37, No.5
             202 0 年 5 月                             FINE CHEMICALS                                 May    2020


              功能材料
                        双亲环氧树脂基荧光形状记忆薄膜的制备



                                                                                            *
                            海春杰,宋雨方,林   娜,李   兰,张洪吉,东为富
                                     (江南大学  化学与材料工程学院,江苏  无锡    214122)


                 摘要:以聚乙二醇单甲醚 2000 为亲水段,双酚 A 型环氧树脂 E51 为疏水段,异氟尔酮二异氰酸酯为连接剂制
                 备了含环氧基的双亲性大分子,将其命名为 WEG。该双亲性大分子与荧光剂〔3-(9-咔唑基)苯甲酸〕、双酚 A 型
                 环氧树脂在选择性溶剂(水)中共组装形成水性乳液。该乳液与改性胺类固化剂以质量比为 2∶1 混合并于室温
                                                                                 1
                 固化后,制备了具有光致发光(荧光)功能的形状记忆高分子薄膜。采用 FTIR、 HNMR、GPC、纳米粒度仪、
                 荧光光谱仪和 DSC 等对 WEG、乳液和薄膜的结构和性能进行表征与测试。结果表明,乳液粒径在 7  d 内没有
                 发生变化,保持在 650~1000  nm。荧光形状记忆薄膜具有光致发光功能,可在刺激响应条件下(80  ℃)7  s 基
                 本恢复其原始形状,形状恢复率可达 94.4%。
                 关键词:环氧树脂;双亲性;自组装;荧光;形状记忆;功能材料
                 中图分类号:TQ317;TB383;TQ323.5      文献标识码:A      文章编号:1003-5214 (2020) 05-0898-08


                         Preparation of an amphiphilic epoxy resin-based fluorescent

                                            shape memory polymer film

                                                                                               *
                          HAI Chunjie, SONG Yufang, LIN Na, LI Lan, ZHANG Hongji, DONG Weifu
                        (School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, Jiangsu, China)


                 Abstract:  An  amphiphilic  macromolecule  contained  epoxy  group,  named  WEG  was  prepared  using
                 methoxypoly  (ethylene  glycol)  (mPEG2000)  as  hydrophilic  segment,  bisphenol  A  epoxy  resin  (E51)  as
                 hydrophobic segment, and isoflurone diisocyanate as linker. The amphiphilic macromolecule WEG was able
                 to co-assemble with fluorescer, 3-(9-carbazolyl) benzoic acid and bisphenol A epoxy resin E51 in a selective
                 solvent (water) to form water-based emulsions. The obtained emulsions mixed with a modified amine curing
                 agent  at  a  mass  ratio  of  2∶1  and  cured  at  room  temperature  to  prepare  shape  memory  polymer  films  with
                 photoluminescence (fluorescence) function. The structures and properties of WEG, emulsions and films were
                                    1
                 characterized by FTIR,  HNMR, GPC, nanometer particle size analyzer, fluorescence spectrometer and DSC.
                 The  results  showed  that  the  particle  size  of  the  emulsion  did  not  change  within  7  days  and  remained  at
                 650~1000 nm. The shape memory polymer film had good photoluminescence function, and it could basically
                 restore its original shape in 7 s under the condition of stimulus response (80  ℃), and the shape recovery rate
                 could reach up to 94.4%.
                 Key words: epoxy resin; amphiphilicity; self-assembly; fluorescence; shape memory; functional materials


                 形状记忆高分子(Shape Memory Polymer, SMP)            生物医学等领域       [5-8] 。随着研究不断深入,目前已成
            是指在外界刺激(如热、光、电、磁等)条件下能                             功研发出多种具有形状记忆功能的高分子材料                    [9-10] 。
            对其自身的状态参数(如形状、位置、应变等)进                             近年来,双亲性大分子自组装领域也吸引了越来越
            行调整,从而恢复到初始设定状态的一类高分子材                             多研究者的关注,并取得了很多成果                 [11-13] ,但是双
            料 [1-3] 。因其具有变形量大、赋形简易可行、激发温                       亲性大分子自组装聚集体的应用主要集中在药物输
                         [4]
            度可控等优点 ,已广泛应用于航空航天、纺织、                             送、纳米反应器、诊断成像等领域                [14-16] ,以双亲性


                 收稿日期:2019-09-20;  定用日期:2020-01-15; DOI: 10.13550/j.jxhg.20190883
                 基金项目:国家自然科学基金项目(BK20150135)
                 作者简介:  海春杰(1994—),女,硕士生,E-mail:chunjiehai@qq.com。联系人:东为富(1976—),男,教授,E-mail:wfdong@jiangnan.edu.cn。
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