2008
DOI: 10.1016/j.jnnfm.2007.11.005
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Viscoelastic flow simulation of polytetrafluoroethylene (PTFE) paste extrusion

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Cited by 18 publications
(20 citation statements)
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“…Their extensional behavior in simple uniaxial extension is studied using the Sentmanat Extensional Rheometer (SER2) housed in the Anton Paar MCR501 rotational rheometer [8, 20]. The SER is a suitable and easy‐to‐use fixture that can be used together with a rotational rheometer to generate uniaxial extensional data [21–23]. This rheometer consists of two drums, where the main drum rotates by the host rheometer shaft and the slave drum counter‐rotates because of the existence of intermeshing gears that connects the two drums.…”
Section: Materials and Methodologymentioning
confidence: 99%
“…Their extensional behavior in simple uniaxial extension is studied using the Sentmanat Extensional Rheometer (SER2) housed in the Anton Paar MCR501 rotational rheometer [8, 20]. The SER is a suitable and easy‐to‐use fixture that can be used together with a rotational rheometer to generate uniaxial extensional data [21–23]. This rheometer consists of two drums, where the main drum rotates by the host rheometer shaft and the slave drum counter‐rotates because of the existence of intermeshing gears that connects the two drums.…”
Section: Materials and Methodologymentioning
confidence: 99%
“…[6][7][8]20] Attempts to rheologically characterize the initial (before extrusion) and the final state of the paste (after extrusion) have also been made. [7,20,50] A number of important parameters affect the extrusion pressure of PTFE paste including the type of comonomer, molecular weight of PTFE, physical properties of lubricants, geometrical characteristics of dies used, and the operating conditions (temperature and shear rate). These effects are summarized in the following subsections.…”
Section: Macroscopic Experimental Observations Of Ptfe Paste Flow (mentioning
confidence: 99%
“…Sin embargo, el PTFE plantea graves desafíos tecnológicos, ya que es difícil de ser procesado debido a su fibrilación. Se identifica como un polímero que muestra la formación de la microestructura esencial durante el procesamiento en frío, como la extrusión de pasta (Patil y col., 2008;Mitsoulis y Hatzikiriakos, 2009). Dado que la producción de pasta es un paso obligatorio en la fabricación de células galvánicas, en la industria de la batería se prefieren otros aglutinantes que son más rentables y más fáciles de manejar, aumentando el rendimiento y reduciendo el tiempo de inactividad del procesamiento (Vora y Gingras, 2012b;Vora y Gingras, 2012a).…”
Section: Introductionunclassified