An novel interpenetrating polymer network consisting of thermally crosslinked polymethacrylate copolymer/TDI network and an NLO active epoxy based polymer network was synthesized and characterized The IPN samples with excellent optical quality showed only one T g
and its optical nonlinearity was rather stable after being heated at 80 ℃ for 480 min The second order nonlinear coefficient of 1 86×10 -7 esu for the IPN system was also obtained
关键词
&nbsp甲基丙烯酸酯共聚物环氧聚合物互穿聚合物网络二阶非线性光学
Keywords
&nbspmethacrylate copolymerepoxy polymerinterpenetrating polymer networkssecond order nonlinearity