聚酰亚胺/SiO2杂化材料的硅核磁共振波谱和电光性质的研究

doi:10.7517/j.issn.1674-0475.2006.01.55

影像科学与光化学 ›› 2006, Vol. 24 ›› Issue (1): 55-60.DOI: 10.7517/j.issn.1674-0475.2006.01.55

聚酰亚胺/SiO₂杂化材料的硅核磁共振波谱和电光性质的研究

邱凤仙¹, 周钰明², 刘举正², 张旭苹³

1. 江苏大学, 化学化工学院, 江苏, 镇江, 212013;
2. 东南大学, 化学化工系, 江苏, 南京, 210096;
3. 南京大学, 光通信工程研究中心, 江苏, 南京, 210093

收稿日期:2005-07-28 修回日期:2005-10-18 出版日期:2006-01-23 发布日期:2006-01-23
通讯作者: 邱凤仙(1965-), 博士, 副教授, 从事非线性电光材料的研究.
基金资助:
江苏省高校自然科学基金(05KJB150016);国家自然科学基金资助项目(50377005,60277020);江苏大学微纳米科学技术研究开放基金(1291400001).

Study of ²⁹Si MAS NMR Spectroscopy and Electro-Optic Property Based on Polyimide/SiO₂

QIU Feng-xian¹, ZHOU Yu-ming², LIU Ju-zheng², ZHANG Xu-ping³

1. School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, P.R. China;
2. Department of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096, Jiangsu, P.R. China;
3. Institute of Optical Communication Engineering, Nanjing University, Nanjing 210093, Jiangsu, P.R. China

Received:2005-07-28 Revised:2005-10-18 Online:2006-01-23 Published:2006-01-23

摘要/Abstract

摘要： 以含氟的二胺5,5′-(六氟异丙基)-二-(2-氨基苯酚)(6FHP)及二酐4, 4′-(六氟异丙基)-苯二酸酐(6FDA)或均苯四甲酸酐(PMDA)为单体,以分散红 1(DR1)为活性生色分子合成具有非线性光学特性的含氟聚酰亚胺,并采用溶胶-凝胶(Sol-Gel)法合成相应的聚酰亚胺/SiO₂杂化材料.采用固态²⁹Si MAS NMR谱研究了含氟聚酰亚胺/SiO₂杂化材料的交联结构,结果表明杂化材料中是以T³、Q³、Q⁴结构为主,说明在杂化材料中形成了交联网状结构.采用衰减全反射(ATR)测定了聚酰亚胺和杂化材料在832 nm处的电光系数,其值分别为 32、28、34和29 pm/V,结果表明具有较高的电光系数.

关键词: 聚酰亚胺, 杂化材料, ²⁹Si NMR, 电光性质

Abstract: The fluorine-containing polyimides with nonlinear optical were synthesized using the monomers 2,2-bis(3-amino-4-hydroxy phenyl) hexafluoropropane (6FHP), 4,4’-(hexafluoroiso-propylidene) diphthalic anhydride (6FDA) or pyromellitic dianhydride (PMDA) and Dispered Red 1 (DR1) as an active chromophore. The hybrid materials were obtained with Sol-Gel technique. ²⁹Si nuclear magnetic resonance spectroscopy were used to characterize the structure of the polyimide/SiO₂ hybrid. The results revealed that Q³, Q⁴ and T³ were the major microstructure forming a network structure. The electro-optic coefficients of nonlinear optical polymers and hybrids were measured by attenuated-total-reflection (ATR) technique. They were 32,28,34 and 29 pm/V, separately. Their results showed that they had high EO coefficients.

Key words: polyimide, hybrid, ²⁹Si nuclear magnetic resonance spectrometry, electro-optic property

中图分类号:

TQ455

邱凤仙, 周钰明, 刘举正, 张旭苹. 聚酰亚胺/SiO₂杂化材料的硅核磁共振波谱和电光性质的研究[J]. 影像科学与光化学, 2006, 24(1): 55-60.

QIU Feng-xian, ZHOU Yu-ming, LIU Ju-zheng, ZHANG Xu-ping. Study of ²⁹Si MAS NMR Spectroscopy and Electro-Optic Property Based on Polyimide/SiO₂[J]. Imaging Science and Photochemistry, 2006, 24(1): 55-60.

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聚酰亚胺/SiO₂杂化材料的硅核磁共振波谱和电光性质的研究

Study of ²⁹Si MAS NMR Spectroscopy and Electro-Optic Property Based on Polyimide/SiO₂

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