Synthesis of Mesomorphic Polymers Having 1,3,2-Dioxaborinane Rings in the Main Chain

Hiroshi Matsubara The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, 567, Japan; Department of Chemistry, College of Integrated Arts and Sciences, University of Osaka Prefecture, Sakai, Osaka, 591, Japan

Koji Seto The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, 567, Japan; Research & Development Division, Nitto Kasei Co. Ltd., 3 Nishiawaji, Higashiyodogawa, Osaka, 533, Japan

Shigetoshi Takahashi The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, 567, Japan

Abstract

Two kinds of new polyesters having 1,3,2-dioxaborinane rings in the main chains were synthesized and it has been found that some of them show a nematic phase. The polymers provide the first thermotropic liquid crystalline materials which contain a metalloid atom, boron, arranged regularly in the main chain.

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Synthesis of Mesomorphic Polymers Having 1,3,2-Dioxaborinane Rings in the Main Chain

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Synthesis of Mesomorphic Polymers Having 1,3,2-Dioxaborinane Rings in the Main Chain

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