Corona poling of side chain NLO polymers during their solidification

Abstract

Summary form only given. Effective poling of NLO polymers can normally be performed at poling temperatures exceeding the glass transition temperature Tg of the host polymer. However, some materials start decompose before their Tg is reached. We propose here a novel method for poling NLO polymers at temperatures much fewer than Tg in the solid state. High mobility of polymer matrix and chains necessary for alignment of the dipoles is provided by the artificial lowering of the Tg. The samples are poled in corona while they are still in a viscous state, or even during their spinning from solution. Thus, the solidification occurs in the electric field provided by corona ions.