| Synthesis and third-order nonlinear optical property of poly（urethane-imide） |
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| 引用本文： | 朱复红,邱凤仙,杨冬亚,张蓉仙.Synthesis and third-order nonlinear optical property of poly（urethane-imide）[J].Chinese Optics Letters,2009,7(6):527-529. |
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| 作者姓名： | 朱复红 邱凤仙 杨冬亚 张蓉仙 |
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| 作者单位： | School of Chemistry and Chemical Engineering,Jiangsu University,Zhenjiang 212013,China
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| 基金项目： | 江苏省自然科学基金，中国博士后基金，江苏省博士后基金，Jiangsu Provincial Key Laboratory for Science and Technology of Photon Manufac turing，江苏省教育局自然科学基金 |
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| 摘 要： | The poly（urethane-imide） （PUI） which uses isophorone diisocyanate, dispersed red 19 （DR-19）, and py- romellitic dianhydride is synthesized. The PUI is characterized by Fourier transform infrared （FT-IR） spectroscopy, differential scanning calorimetry （DSC）, and thermogravimetric analysis （TGA）. The results of DSC and TGA indicate that the PUI exhibits high thermal stability up to its glass-transition temperature of 209 ℃ and 5° heat weight loss temperature of 296℃. The fluorescence spectra of PUI and DR-19 are measured, showing that the fluorescence effect of PUI is very similar to that of DR-19 except for the light decrease of fluorescence intensity, which indicates that the fluorescence effect of PUI is generated by the azobenzene groups in its macromolecular chains. The maximum molar absorption coefficient, absorp- tion wavelength, and chromophores density are measured and used to calculate the third-order nonlinear optical coefficient X（3） to be 3.96×10^-13 esu. The nonlinear refractive index coefficient and molecular hyperpolarizabilitv of PUI are also obtained. PUI is oroved to have an excellent ootical Performance.
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| 关 键 词： | 三阶非线性光学性能 酰亚胺 氨酯 合成 异佛尔酮二异氰酸酯 三阶非线性光学系数 差示扫描量热法 玻璃化转变温度 |
Synthesis and third-order nonlinear optical property of poly(urethane-imide) |
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| Fuhong Zhu,Fengxian Qiu,Dongya Yang,Rongxian Zhang.Synthesis and third-order nonlinear optical property of poly(urethane-imide)[J].中国光学快报(英文版),2009,7(6):527-529. |
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| Authors: | Fuhong Zhu Fengxian Qiu Dongya Yang Rongxian Zhang |
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| Institution: | School of Chemistry and Chemical Engineering,Jiangsu University,Zhenjiang 212013,China |
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| Abstract: | The poly(urcthane-imide) (PUI) which uses isophorone diisocyanate,dispersed red 19 (DR-19),and py romellitic dianhydride is synthesized. The PUI is characterized by Fourier transform infrared (FT-IR) spectroscopy,differential scanning calorimetry (DSC),and thermogravimetric analysis (TGA).The results of DSC and TGA indicate that the PUI exhibits high thermal stability up to its glass-transition temperature of 209 ~C and 5% heat weight loss temperature of 296 ~C.The fluorescence spectra of PUI and DR-19 are measured,showing that the fluorescence effect of PUI is very similar to that of DR-19 except for the light decrease of fluorescence intensity,which indicates that the fluorescence effect of PUI is generated by the azobenzene groups in its macromolecular chains.The maximum molar absorption coefficient,absorption wavelength,and chromophores density are measured and used to calculate the third-order nonlinear optical coefficient X(3) to be 3.96×10-13 esu.The nonlinear refractive index coefficient and molecular hypcrpolarizability of PUI are also obtained.PUI is proved to have an excellent optical performance. |
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