Alignment layer-free molecular ordering induced by masked photopolymerization with non-polarized light

Kyohei Hisano, Yosuke Kurata, Miho Aizawa, Masaki Ishizu, Takeo Sasaki, Atsushi Shishido

doi:10.7567/apex.9.072601

Alignment layer-free molecular ordering induced by masked photopolymerization with non-polarized light

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書誌事項

公開日: 2016-06-06

権利情報

http://creativecommons.org/licenses/by/4.0/
https://iopscience.iop.org/info/page/text-and-data-mining

DOI

10.7567/apex.9.072601

公開者: IOP Publishing

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説明

<jats:title>Abstract</jats:title> <jats:p>Controlled and uniform molecular alignment can provide and enhance functionality in polymer films. We first report that masked photopolymerization with non-polarized light enables direct and precise control of molecular alignment without using a conventional molecular alignment layer. The photopolymerization of a mixture composed of an optically anisotropic acrylate monomer and an isotropic dimethacrylate crosslinker induces either unidirectional or complex molecular alignment, depending upon the shape of the photomask. Such molecular alignments are successfully achieved by shear stress arising from molecular diffusion, even when the photopolymerization is carried out at isotropic temperatures of both the monomer mixture and the obtained polymers.</jats:p>