what is high viscosity polycarbonate

What is viscosity in a plastic? For example, a substance with a thick viscosity resists movement while a low viscosity … The raw material of polycarbonate … ... Basf's famous high … 2, that the melt viscosity of the blend decreases with increasing shear rate at the various temperatures; this behavior confirms the last finding about the pseudo plastic … Polycarbonate or "PC" is a highly useful engineering thermoplastic. This means their apparent viscosity (η) 1 depends on the applied shear rate and increases rapidly with increasing molecular weight (number of repeat units). Polycarbonate Phenyl salicylate 2,2-dihydroxybenzophenone Thermal degradation. Polymer solutions, dispersions, and melts are usually non-Newtonian liquids. Figure 2 shows the viscosity curves of PC/LDPE (50/50) blend at various temperature and shear rates. I did a search for "table of viscosity values" and this was the second link: Viscosity Values Chart *Centipoise = centistokes x specific gravity where … It could be noted form Fig. … Viscosity numbers range from one to millions of centipoise(cps), When it comes to polyurethanes and epoxies, keep in mind that temperature can have a major impact on a resin’s viscosity. A Helpful Guide to Processing High Viscosity Resins The term “viscosity” refers to the thickness or flow-ability of a liquid. Low viscosity refers to substances that are thin, such as water, while high viscosity substances are thick. High-viscosity Epoxy Resins / Laminating Resins Many thicker and therefore highly viscous or medium viscous epoxy resins are reminiscent of honey … An example of a high viscosity liquid is syrup. Polycarbonate – High Viscosity This specification covers the properties of a transparent or pigmented, injection molding grade, pellet form, polycarbonate. Makrolon® polycarbonate is extremely robust, lightweight with glass-like transparency and is impact resistant – even at low temperatures. Waste polycarbonate will degrade at high temperatures to form solid, liquid and … Flow Properties of Polymers Time-independent Fluids. Viscosity is the resistance to flow that the plastic faces when it is melted, ie if the plastic is too viscous it has difficulty draining through the nozzle of the injector or die of the extruder, as opposed to a plastic of low viscosity that will drain easily. It has desirable physical properties such as transparency, high toughness, and very good heat resistance. Thus, the viscosity … In addition to measuring thickness, viscosity measures resistance to motion. In other words, the plastic likes to go fast; it has lower viscosity… For process stability, the plastic likes the flat section of the curve, as shown in the center to right side of graph. 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