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Polymorphic behaviour of poly[oxyoctanedioyloxy‐1,4‐phenylene‐(1‐methylvinylene)‐1,4‐phenylene] and poly[oxydecanedioyloxy‐1,4‐phenylene‐(1‐methylvinylene)‐1,4‐phenylene]

Antonio Roviello, Augusto Sirigu

Abstract

Abstract The polymorphic behaviour of polymers (n = 8, 10) has been investigated. They show thermotropic, mesophasic properties with a nematic structure. Both polymers exhibit a multiple solid state polymorphism which is a function of the temperature and of their thermal history.

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Key concepts: Phenylene, Thermotropic crystal, Poly(p-phenylene), Materials science, Polymorphism (computer science), Polymer, Liquid crystal, Polymer chemistry