CAJ | 학술논문

以含氟的二胺5,5'-(六氟异丙基)-二-(2-氨基苯酚)及二酐3,3',4,4'-苯四甲酸二酐(BPDA)为单体,首先合成了经酰胺化的主链上带有活性羟基的含氟聚酰亚胺,再通过Mitsunobu反应将活性生色分子分散红-19共价链接到聚酰亚胺的侧链骨架上,合成了非线性光学(NLO)含氟聚酰亚胺.示差扫描量热分析(DSC)测得其玻璃化转变温度为248 ℃,热重分析(TGA)测得其5%失重的热分解温度为309 ℃,将制得的含氟聚酰亚胺制成反射电光调制器,由二次谐波条件于1 064 nm处测得不同温度下的非线性系数d33为5.209×10-9esu (极化电压3.6 kV,205 ℃)和7.418×10-9esu (极化电压3.8 kV,210 ℃),用衰减全反射法测得其电光系数γ33为2.182 pm/V (3.6 kV,205 ℃)和3.107 pm/V (3.8 kV,210 ℃).
이함불적이알5,5'-(륙불이병기)-이-(2-안기분분)급이항3,3',4,4'-분사갑산이항(BPDA)위단체,수선합성료경선알화적주련상대유활성간기적함불취선아알,재통과Mitsunobu반응장활성생색분자분산홍-19공개련접도취선아알적측련골가상,합성료비선성광학(NLO)함불취선아알.시차소묘량열분석(DSC)측득기파리화전변온도위248 ℃,열중분석(TGA)측득기5%실중적열분해온도위309 ℃,장제득적함불취선아알제성반사전광조제기,유이차해파조건우1 064 nm처측득불동온도하적비선성계수d33위5.209×10-9esu (겁화전압3.6 kV,205 ℃)화7.418×10-9esu (겁화전압3.8 kV,210 ℃),용쇠감전반사법측득기전광계수γ33위2.182 pm/V (3.6 kV,205 ℃)화3.107 pm/V (3.8 kV,210 ℃).
The fluorine-containing organic polymer was synthesized from 3,3',4,4'-Bisphenyltetracarboxylic (BPDA),and 2,2-Bis (3-amino-4-hydroxyyphenyl) hexafluoropropane (6FHP).It is a first-step preparation of a preimided hydroxy-containing polyimide,followed by the covalent bonding of an active chromophore,dispersed red 19 (DR19),onto the backbone of the polyimide via the Mitsunobu reaction.The nonlinear optical(NLO)containing polyimide was synthesized.The differential scanning calorimeter (DSC) and thermal gravimetric analysis (TGA) exhibited Tg and the temperature Td at which 5% mass losses occurring of polymer were 248 and 309 ℃,respectively.A reflective electro-optic (EO) modulator using this polymer was fabricated.The optical nonlinearities were determined to be d33＝5.209×10-9esu (poling voltage of 3.6 kV,205 ℃) and d33＝7.418×10-9esu (poling voltage of 3.8 kV,210 ℃) by the second harmonic generation method in in-situ condition at a fundamental wavelength of 1 064 nm.The EO coefficients γ33 of the polymer layer in the EO modulator were determined to be 2.182 pm/V (poling voltage of 3.6 kV,205 ℃) and 3.107 pm/V (poling voltage of 3.8 kV,210 ℃) at 1 064 nm by an attenuated-total-reflection (ATR) method.