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Crosslinking effect on polydimethylsiloxane elastic modulus measured by custom-built compression instrument

Wang, Zhixin ; Volinsky, Alex A. ; Gallant, Nathan D.

Journal of applied polymer science, 2014-11, Vol.131 (22), p.np-n/a [Periódico revisado por pares]

Hoboken: Blackwell Publishing Ltd

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  • Título:
    Crosslinking effect on polydimethylsiloxane elastic modulus measured by custom-built compression instrument
  • Autor: Wang, Zhixin ; Volinsky, Alex A. ; Gallant, Nathan D.
  • Assuntos: Compressing ; Compression tests ; Crosslinking ; Curing agents ; Density ; Elastic modulus ; Materials science ; mechanical properties ; Modulus of elasticity ; Polymers ; properties and characterization ; Silicone resins
  • É parte de: Journal of applied polymer science, 2014-11, Vol.131 (22), p.np-n/a
  • Notas: National Science Foundation - No. DMR1056475; No. CMMI1130755; No. CMMI0600266
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  • Descrição: ABSTRACT A macroscopic compression test utilizing a simple custom‐built instrument was employed to measure polydimethylsiloxane (PDMS) elastic modulus. PDMS samples with varying crosslinking density were prepared with the elastomer base to the curing agent ratio ranging from 5 : 1 to 33 : 1. The PDMS network elastic modulus varied linearly with the amount of crosslinker, ranging from 0.57 MPa to 3.7 MPa for the samples tested. PDMS elastic modulus in MPa can be expressed as 20 MPa/PDMS base to curing agent ratio. This article describes a simple method for measuring elastic properties of soft polymeric materials. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 41050.
  • Editor: Hoboken: Blackwell Publishing Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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