The synthesis of a new type of thermotropic soluble cholesteric polymer is described. The polymer contains nematogenic moieties separated by flexible spacers with an asymmetric center in the backbone. The polymer gives spontaneously characteristic Grandjean texturers when heated above its transition temperature between slide and cover slip. Selective reflection of light in the visible (λ ∼ 5000–5600Å) occurs for a co-polymer containing ppl-azoxyphenol/dodecanedioic acid and (+)3-methyladipic acid units.
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Vilasagar et al. (1980) studied this question.
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