Synthesis and second-order nonlinear optical characteristics of linear and crosslinked epoxy polymers

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• 作者：Zhao ; Xi Liang ; Xing ; Zhong Yan ; Yong ; Lie Chen ; Zhi ; Gang Cai ; Pei ; Qing Yang ; Zhi ; Ling Xu
• 关键词：Second-order nonlinear optical polymer ; Crosslinked epoxy polymers ; 4-Nitro-4&prime ; -amino-biphenyl ; Second harmonic generation ; SHG stability
• 刊名：Reactive and Functional Polymers
• 出版年：1997
• 出版时间：January, 1997
• 年：1997
• 卷：32
• 期：1
• 页码：75-81
• 全文大小：353 K

文摘

4-Nitro-4′-amino-biphenyl (p-NBA), a photo- and thermostable chromophore with high nonlinear optical (NLO) activity, was used to react with various epoxy resins, then three linear functionalized epoxy polymers were obtained and further crosslinked with a trimer of hexamethylene diisocynate during poling process. The second harmonic generation behaviors of linear and crosslinked poled polymers have been investigated. The crosslinked epoxy polymer based on bisphenol-A with p-NBA moieties exhibits high NLO activity and stability