可溶性近红外吸收剂氨基酞菁的合成及应用

doi:10.11949/j.issn.0438-1157.20141576

摘要/Abstract

摘要：

通过先合成脂肪氨基邻苯二腈再合成酞菁的工艺制备了一系列可溶性近红外吸收氨基酞菁。采用核磁共振氢谱(¹H NMR)、红外光谱(FT-IR)、溶解性实验、紫外吸收光谱(UV-Vis)、热重分析法(TGA)对氨基酞菁的结构和性能进行了表征。结果表明成功合成了不同结构的氨基酞菁。在酞菁外围a位取代脂肪族氨基以及采用Mn²⁺配位,可以得到较高溶解性的氨基酞菁。脂肪族氨基的供电子性能,尤其是a位取代,配合Mn²⁺,可使酞菁Q带出现较大红移,3, 3', 3", 3"'-四正丁氨基锰酞菁(a-TnBAMnPc)在三氯甲烷溶液中的最大吸收波长可达870 nm。研究了a-TnBAMnPc在聚甲基丙烯酸甲酯(PMMA)和水性聚氨酯(WPU)中的近红外吸收性能,在PMMA膜片中,a-TnBAMnPc的添加量超过0.60%(质量分数)时,在862 nm波长处透过率为0;在WPU涂层中,a-TnBAMnPc含量超过0.40%(质量分数)时,在866 nm波长处透过率为0。

关键词: 氨基酞菁, 溶解性, 吸收, 近红外吸收涂层, 酞菁, 膜

Abstract:

A series of soluble near-infrared absorption amino phthalocyanine dyes were synthesized with preparation of amino phthalonitriles firstly. The structure and performance of phthalocyanines were characterized by ¹H NMR, Fourier transform infrared spectroscopy (FT-IR), solution test, UV-visible absorption spectroscopy (UV-Vis), thermal gravimetric analysis (TGA). The results showed that amino phthalocyanines were successfully synthesized. The solubility of amino phthalocyanines was greatly influenced by substituents, position of the substituents and metal ions. When aliphatic amine was used as the peripheral substituent at α position and Mn²⁺ was used as the central substituent of phthalocyanine, solubility could greatly be increased. A red-shift of the Q-band was observed when aliphatic amine and Mn²⁺ were introduced into phthalocyanine, mainly due to the electron-donating ability of aliphatic amine. The 3, 3', 3", 3"'-tetra-n-butyl amine manganese (Ⅱ) phthalocyanine (a-TnBAMnPc) showed Q-band peak at 870 nm in chloroform. The near-infrared absorption performance of a-TnBAMnPc in poly(methyl methacrylate) (PMMA) and waterborne polyurethane (WPU) films was investigated. For PMMA-(a-TnBAMnPc) films, the transmission at 862 nm was near 0 when the content of a-TnBAMnPc was more than 0.60%(mass). The transmission at 866 nm approached 0 with the content of a-TnBAMnPc beyond 0.40%(mass) for WPU-(a-TnBAMnPc) films.

Key words: amino phthalocyanine, solubility, absorption, near-infrared absorbing coating, phthalocyanine, film

中图分类号:

O625.6

赵明, 李坚, 纪俊玲, 任强, 汪称意, 艾宝林. 可溶性近红外吸收剂氨基酞菁的合成及应用[J]. 化工学报, 2015, 66(4): 1577-1584.

ZHAO Ming, LI Jian, JI Junling, REN Qiang, WANG Chenyi, AI Baolin. Synthesis and application of soluble near-infrared absorption amino phthalocyanine dyes[J]. CIESC Journal, 2015, 66(4): 1577-1584.

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