Dependence of bulk viscosity of polypropylene on strain, strain rate, and melt temperature
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DOI: 10.1002/pen.24459
Abstract: The relations between bulk viscosity, strain, strain rate and melt temperature of polypropylene are investigated in uniaxial compression similar to the measurement of PVT diagram of a polymer. A new and more practical bulk viscosity… read more here.
Keywords: melt temperature; strain rate; viscosity; bulk viscosity ... See more keywords
Effect of extrusion process melt temperature on polyurethane catheter surfaces
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DOI: 10.1080/10426914.2017.1292036
Abstract: ABSTRACT Determination of optimum process melt temperature of medical-grade polyurethane (PU) is an indispensable challenge witnessed during the catheter manufacturing process. This resin does not contain a uniform crystal structure but exists in an amorphous… read more here.
Keywords: catheter; temperature; microscopy; process melt ... See more keywords
Impact of Replicated Biomimetic Microstructures on the Wettability of Injection-Molded Polymer Surfaces
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DOI: 10.3390/biomimetics10110759
Abstract: This article evaluates the influence of replicated natural structures, produced by micro-machining, on the wettability of plastic parts made from hydrophilic and hydrophobic polymer materials under various temperature and pressure conditions. Although many studies have… read more here.
Keywords: pressure; melt temperature; temperature packing; contact ... See more keywords