Browsing Faculty of Engineering by Subject "PTFE"

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The continuous depolymerization of filled polytetrafluoroethylene with a continuous process

Van der Walt, I.J.; Bruinsma, O.S.L.; Grunenburg, A.T.; Nel, J.T.; Maluleke, G.G. (Wiley, 2008)

A new method for beneficiating unfilled as well as filled polytetrafluoroethylene (PTFE) waste has been developed. This process does not use any carrier gas while forming the depolymerization products. It enables polymer ...
A kinetic expression for the pyrolytic decomposition of polyterafluoroethylene

Van der Walt, Izak J.; Neomagus, Hein W.J.P.; Bruinsma, O.S.L.; Nel, Johann T.; Crouse, Philippus L. (Elsevier, 2008)

Despite the fact that the thermal decomposition of polytetrafluoroethylene has been extensively studied over the past six decades, some inconsistencies regarding the kinetic parameters, e.g. the order of the reaction, ...