Effect of Viscosity Ratio of Two Immiscible Polymers on Morphology in Bicomponent Melt Spinning Fibers
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DOI: 10.1002/adv.21772
Abstract: Bicomponent fibers were melt spun to investigate the effect of individual component viscosity on the cross section morphology. Two couples were tested, polypropylene MFI 18 (PP18) with polyamide 6 (PA6) and, polypropylene MFI 25 (PP25)… read more here.
Keywords: viscosity; ratio two; shear rates; viscosity ratio ... See more keywords
A VOSET method combined with IDEAL algorithm for 3D two-phase flows with large density and viscosity ratio
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.06.050
Abstract: Abstract In order to accurately, robustly and efficiently simulate the three-dimensional (3D) interfacial flow problems with large density and viscosity ratio, we should, on the one hand, adopt the accurate and robust interface capturing method,… read more here.
Keywords: viscosity ratio; density viscosity; voset method; large density ... See more keywords
Influence of the viscosity ratio of polyacrylonitrile/poly(methyl methacrylate) solutions on core–shell fibers prepared by coaxial electrospinning
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DOI: 10.1038/pj.2017.8
Abstract: Effect of viscosity ratio of the outer/inner solutions on the morphology of core–shell fibers was studied by altering the concentrations of two polymer solutions, poly(methyl methacrylate) and poly(acrylonitrile), as a role model. Nonuniform core–shell structures… read more here.
Keywords: shell fibers; viscosity; core shell; viscosity ratio ... See more keywords
Droplet formation and its mechanism in a microchannel in the presence of an electric field
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DOI: 10.1088/1873-7005/aaaeef
Abstract: The instability of the interface between two immiscible Newtonian liquids in a microchannel in the presence of an electric field and the resulting micro droplets are experimentally investigated. In the experiments, ethylene glycol and silicone… read more here.
Keywords: field; droplet; ratio; viscosity ratio ... See more keywords
Morphology and Properties of Polyolefin Elastomer/Polyamide 6/Poly(lactic Acid) In Situ Special-Shaped Microfibrillar Composites: Influence of Viscosity Ratio
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DOI: 10.3390/polym14214556
Abstract: In Situ microfibrillation is an easy and economical processing method, which has drawn wide concern in recent years. In Situ special-shaped microfibrillar composites, which with poly(lactic acid)/polyamide 6 (PA6/PLA) together formed special-shaped microfibrils in polyolefin… read more here.
Keywords: pla; special shaped; pa6 pla; viscosity ... See more keywords