Modelling textures of strained nematic elastomers

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Organização

Publicações

From wrinkly elastomers to Janus particles to Janus fibres

Publication . Trindade, A. C.; Canejo, J. P.; Patricio, Pedro; Brogueira, P.; Teixeira, Paulo; Godinho, Maria Helena

Aim is to fabricate Janus objects possessing two distinct sides, through control and manipulation of uneable sub-micron scale long-lived textures in urethane/urea elastomer films, spheres and fibres. Textures are obtained by UV-irradiation of the elastomers followed by mechanical deformation or swelling in a solvent. Standard chemistry, no complex deposition techniques required. Resulting textures investigated using AFM, SEM, SALS and POM. Interpreted by assuming that each film, sphere or fibre consists of a thin, stiff surface layer (“skin”) lying atop a thicker, softer substrate (“bulk”).

2016-12Documento de conferência

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Entidade financiadora

Fundação para a Ciência e a Tecnologia

Programa de financiamento

POCI

Número da atribuição

POCTI/CTM/42456/2001