Optimization of PET Ion-Track Membranes Parameters
نویسندگان
چکیده
منابع مشابه
Heavy Ion Track-Etching of PEEK Membranes
Heavy ion tracks in polymer membranes can be transformed into microand nano-channels by means of wet-chemical etching. Up to now most commonly polycarbonate (PC), polyethylene therephthalate (PET) and polyimide (PI) membranes were employed for this purpose. For some applications such as proton conductive membranes for fuel cells, high resistance of the material against heat and solvents as well...
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There have been numerous studies on ion-track membranes of poly(ethylene terephthalate) (PET) and polycarbonate (PC), which are easily prepared by ion beam irradiation and subsequent alkaline etching. More importantly, the ion-track membranes of chemically and thermally stable polyimide (PI) and polyamide (PA), with controlled pore shape and size, may be required for the design of materials tha...
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Quite recently, ion-track membranes of poly(vinylidene fluoride) (PVDF) have attracted a renewed interest for their applications to next-generation electrochemical devices such as fuel cells [1,2]. In order to produce tracketched pores in PVDF films, several kinds of etching solutions were previously employed. In most cases [3], a highly concentrated aqueous KOH solution with a KMnO4 additive w...
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We have been working on ion-track membranes of poly(vinylidene fluoride) (PVDF) because they have attracted a renewed interest for their applications to fuelcells [1]. There were two main conclusions: (i) The PVDF ion-track membranes can efficiently be prepared under milder etching conditions, i.e., without any oxidant additives in the alkaline etching solution [2]; and (ii) irradiation with io...
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The main design criteria of ballasted railway tracks include rail deflections, rail bending stresses, rail wheel contact stresses, sleeper bending moments and ballast sleeper contact pressures. Numerous criteria have been defined for the design of ballasted railway tracks owing to the various mechanical properties of track components and their complex interaction. Therefore, railway track desig...
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ژورنال
عنوان ژورنال: Materials Today: Proceedings
سال: 2019
ISSN: 2214-7853
DOI: 10.1016/j.matpr.2018.12.086