SYNTHESIS AND CHARACTERIZATION OF 2-METHYL-8-HYDROXYQUINOLINE GALLIUM ACRYLATE AND METHYL METHACRYLATE COPOLYMERS

TAN Songting; ZHAO Bin; XIAO Zunhong; JIANG Zhongmin; WANG Xiayu

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SYNTHESIS AND CHARACTERIZATION OF 2-METHYL-8-HYDROXYQUINOLINE GALLIUM ACRYLATE AND METHYL METHACRYLATE COPOLYMERS

Research Article | 更新时间：2021-03-19

- SYNTHESIS AND CHARACTERIZATION OF 2-METHYL-8-HYDROXYQUINOLINE GALLIUM ACRYLATE AND METHYL METHACRYLATE COPOLYMERS
- Acta Polymerica Sinica Issue 4, Pages: 519-524(2003)
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- Published：20 August 2003，
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TAN Songting, ZHAO Bin, XIAO Zunhong, JIANG Zhongmin, WANG Xiayu. SYNTHESIS AND CHARACTERIZATION OF 2-METHYL-8-HYDROXYQUINOLINE GALLIUM ACRYLATE AND METHYL METHACRYLATE COPOLYMERS. [J]. Acta Polymerica Sinica (4):519-524(2003)
DOI：

TAN Songting, ZHAO Bin, XIAO Zunhong, JIANG Zhongmin, WANG Xiayu. SYNTHESIS AND CHARACTERIZATION OF 2-METHYL-8-HYDROXYQUINOLINE GALLIUM ACRYLATE AND METHYL METHACRYLATE COPOLYMERS. [J]. Acta Polymerica Sinica (4):519-524(2003) DOI：

摘要

制备了2-甲基-8-羟基喹啉、丙烯酸与镓 (Ⅲ)的三元配合物

将此配合物与甲基丙烯酸甲酯共聚后得到含镓(Ⅲ)的共聚物

这种共聚物易溶于氯仿、丙酮等普通低沸点溶剂

具有良好的成膜性能 .用红外光谱、元素分析、紫外光谱等方法对三元配合物和共聚物的组成进行了表征.测试三元配合物和共聚物的荧光光谱

表明共聚物在496nm处能发出较强的荧光.DSC和TG分析表明

共聚物具有良好的耐热性和热稳定性.

Abstract

A new copolymer of 2-methyl-8-hydroxyquinoline gallium acrylate and methyl methacrylate was prepared．The composition and properties of the copolymers were characterized by FT-IR

UV-vis

DSC

TG and fluorescence spectroscopy．A strong blue-green photoluminescence with maximum at 496 nm was observed for the copolymer/CHCl3 solution．Effects of monomer ratio and concentration on photoluminescence properties of the copolymer were investigated．The results showed that the maximum fluorescence intensity was attained when Ga(Mq)2A:MMA was 1:20．While the wavelength of maximum excitation was approximately 263 nm when the concentration of the copolymer was under 2 g/L

but the wavelength of maximum excitation moved to 365 nm after the concentration was above 4 g/L．The copolymer is soluble in chloroform

acetone and DMF at 25℃

so it can be used to prepare electroluminescent device by spin-coat technology．DSC analysis showed that Tg of the copolymer was 35 K higher than that of PMMA

and the results of TG indicated that the decomposition temperature of PMMA was 140℃

but that of the copolymer exceeded 250℃

so the copolymer exhibited better thermal stability than PMMA．

关键词

镓2甲基8羟基喹啉共聚物

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