Page 46 - 《精细化工》2021年第6期

·1108· 精细化工 FINE CHEMICALS 第 38 卷

的绿色荧光。
（3）荧光形状记忆膜的 T g 为 31.86 ℃，可将其
作为膜形状回复的驱动温度。在 T≥70 ℃的环境
下，形状记忆膜可几乎完全回复。
（4）成功制备了兼具荧光和形状记忆双重功能
的聚合物膜材料，可在防伪、装饰、荧光探针、生
物成像、微光学、4D 打印和智能医疗设备等领域获
得应用。

参考文献：
图 9 PMBDA/FM-ADH 膜的荧光发射谱图 [1] SEIDERS T J, ELLIOTT E L, GRUBE G H, et al. Synthesis of
Fig. 9 Fluorescence emission spectra of PMBDA/FM-ADH corannulene and alkyl derivatives of corannulene[J]. Journal of the
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除荧光性能外，该薄膜还具有形状记忆效应。 selectively triggered by near-infrared light of two centain wavelengths
对于本次实验制备的形状记忆膜，T g 是回复的驱动 and their applications at macro-/microscale[J]. Composites Science
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温度，是实验考察的重要特征之一。经测量，不含 [3] HABAULT D, ZHANG H J, ZHAO Y. Light-triggered self-healing
荧光素的膜材料（PMBDA/FM-0-ADH 膜）的 T g 为 and shape-memory polymers[J]. Chemical Society Reviews, 2013,
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31.9 ℃，PMBDA/FM-2-ADH 膜的 T g 为 31.86 ℃， [4] ZHENG N, FANG G Q, CAO Z L, et al. High strain epoxy shape
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首先，将原始长度为 2 cm 的薄膜〔图 10（1）〕 Technology, 2009, 69(13): 2064-2068.
在 70 ℃下拉伸至 3 cm 长度〔图 10（2）〕，然后 [6] SCHMIDT A M. Electromagnetic activation of shape memory polymer
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70 ℃下使其回复到原始形状〔图 10（3）〕。通过测 [7] JIAN Y K, LE X X, ZHANG Y C, et al. Shape memory hydrogels
量，PMBDA/FM-ADH 膜的形状记忆回复率基本 with simultaneously switchable fluorescence behavior[J]. Macromolecular
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可达 100%，说明荧光素的添加对膜形状回复基本 [8] GUO W W, LU C H, ORBACH R, et al. pH-stimulated DNA hydrogels
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图 10 PMBDA/FM-0-ADH 膜（a）和 PMBDA/FM-2-ADH Virtual and Physical Prototyping, 2016, 11(4): 249-262.
[13] NIU C C (牛诚诚), ZHENG Y Y (郑元义), WANG Z G (王志刚), et al.
膜（b）形状回复的数码照片
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（2）乳液粒径在 100~200 nm 间且可发出明显 Fine Chemicals (精细化工), 2020, 37(5): 898-905.