Citation: . AN EPOXY/(METHYL METHACRYLATE)INTERPENETRATING POLYMER NETWORK FOR NONLINEAR OPTICS*[J]. Chinese Journal of Polymer Science, ;1999, 17(5): 435-440. shu

AN EPOXY/(METHYL METHACRYLATE)INTERPENETRATING POLYMER NETWORK FOR NONLINEAR OPTICS*

Received Date: 10 June 1998

An interpenetrating polymer networks (IPN) consisting of an epoxy-based polymer network and apolymethyl methacrylate network were synthesized and characterized. The IPN showed only one Tg, andhence a homogeneous-phase morphology was suggested. The second-order nonlinear optical coefficient (d33)of the IPN was measured to be 1.72×10-7 esu. The study of NLO temporal stability at room temperature andelevated temperature (100℃) indicated that the IPN exhibits a high stability in the dipole orientation due to the permanent entanglements of two component networks in the IPN system.Long-term stability of second harmonic coefficients was observed at room temperature for more than 1000h.
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