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1997•Polymers for Advanced TechnologiesRequires access

Liquid Crystalline Properties of Side-chain Polymers Bearing the Same Mesogenic Group

Pascal Bezou, Annie Pacreau, Jean‐Pierre Vairon, Nelly Lacoudre, Claude Friedrich, Claudine Noël

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Abstract

The synthesis and properties of a series of new ferroelectric liquid crystal side-chain polymers with the same mesogenic side group but different polymer backbones (polyacrylate, polymethacrylate and polysiloxanes) are described. The polymorphism is studied by optical microscopy, differential scanning calorimetry and X-ray diffraction. All the monomers exhibit at least an SA and a ferroelectric S*C phase, as the polymethacrylate and the copolysiloxane. These two polymers and the polyacrylate exhibit also an S*F phase. © 1997 John Wiley & Sons, Ltd.

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What this paper is about

The synthesis and properties of a series of new ferroelectric liquid crystal side-chain polymers with the same mesogenic side group but different polymer backbones (polyacrylate, polymethacrylate and polysiloxanes) are described. The polymorphism is studied by optical microscopy, differential scanning calorimetry and X-ray diffraction. All the monomers exhibit at least an SA and a ferroelectric S*C phase, as the polymethacrylate and the copolysiloxane. These two polymers and the polyacrylate exhibit also an S*F phase. © 1997 John Wiley & Sons, Ltd.

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Available abstract

The synthesis and properties of a series of new ferroelectric liquid crystal side-chain polymers with the same mesogenic side group but different polymer backbones (polyacrylate, polymethacrylate and polysiloxanes) are described. The polymorphism is studied by optical microscopy, differential scanning calorimetry and X-ray diffraction. All the monomers exhibit at least an SA and a ferroelectric S*C phase, as the polymethacrylate and the copolysiloxane. These two polymers and the polyacrylate exhibit also an S*F phase. © 1997 John Wiley & Sons, Ltd.

Key concepts: Mesogen, Side chain, Materials science, Differential scanning calorimetry, Polymer, Liquid crystal, Ferroelectricity, Monomer

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