Generation of a library of particles having controlled sizes and shapes via the mechanical elongation of master templates.

Wang, Yapei; Merkel, Timothy J; Chen, Kai; Fromen, Catherine Ann; Betts, Douglas E; DeSimone, Joseph M

Wang, Yapei; Merkel, Timothy J; Chen, Kai; Fromen, Catherine Ann; Betts, Douglas E; DeSimone, Joseph M.

Afiliación

Wang Y; Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States.

Langmuir ; 27(2): 524-8, 2011 Jan 18.

Article en En | MEDLINE | ID: mdl-21166444

RESUMEN

Herein we describe a versatile and readily scalable approach for the fabrication of particles with a variety of shapes and sizes from a single master template by augmenting the particle replication in nonwetting templates (PRINT) method with mechanical elongation. Repetition of the elongation steps in one direction leads to the fabrication of linear particles with high aspect ratio (AR), over 40 times greater than in the original master, while a range of particle shapes can be obtained by repeating the elongation procedure while changing the stretching direction, generating diamond, rectangular, curved parallelogram particles from a single cubic master.

Asunto(s)

Éteres/química; Fluorocarburos/química; Silicio/química; Coloides/química; Dimetilpolisiloxanos/química; Tamaño de la Partícula; Polietilenglicoles/química; Propiedades de Superficie

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Silicio / Éteres / Fluorocarburos Idioma: En Revista: Langmuir Asunto de la revista: QUIMICA Año: 2011 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos

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