SPE Plastics Research Online » New article entries http://www.4spepro.org Sat, 19 May 2012 01:06:39 +0100 FeedCreator 1.7.2 http://www.4spepro.org/images/logo.gif PerAda Newsroom Entries http://www.4spepro.org Feed provided by Form and Content media. Click to visit. Capillary flow of low-density polyethylene http://www.4spepro.org/view.php?article=004100-2012-05-14 Low-density polyethylene melts in capillary flow show large vortices and high-pressure drops due to the highly viscoelastic nature of the melt and the pressure dependence of the viscosity. Applied Rheology Thu, 17 May 2012 13:00:00 +0100 Thermal stabilization of polyacrylonitrile fibers http://www.4spepro.org/view.php?article=003968-2012-05-14 Guanidine carbonate pretreatment is effective in accelerating thermal stabilization of polyacrylonitrile precursor fiber prior to the carbonization stage. Engineering Properties Tue, 15 May 2012 13:00:00 +0100 Toward better understanding of solid-state shear pulverization http://www.4spepro.org/view.php?article=004208-2012-05-11 Evaluating the processing-structure-property relationships of solid-state shear pulverization gives insight into this method for versatile industrial polymer applications. Extrusion Fri, 11 May 2012 13:00:00 +0100 Real-time x-ray diffraction: crystalline orientation during blown film extrusion http://www.4spepro.org/view.php?article=004210-2012-05-09 Measurements have confirmed that orientation in the polyethylene bubble takes place well past the frost-line height, even after the blown film diameter is locked into place. Extrusion Wed, 09 May 2012 13:00:00 +0100 Improved properties of hybrid epoxy nanocomposites http://www.4spepro.org/view.php?article=004206-2012-05-03 Using both halloysite and recycled cellulose fibers as fillers in epoxy composites enhances their thermal stability, mechanical, and fracture properties. Applied Rheology, Composites, Failure Analysis Fri, 04 May 2012 13:00:00 +0100 A high-efficiency differential injection molding system http://www.4spepro.org/view.php?article=004212-2012-04-24 A new system based on the planetary gear pump speeds up the manufacture of micro parts by using multiple injection nozzles. Injection Molding Tue, 24 Apr 2012 13:00:00 +0100 Uniquely identifying polymer composite domains using energy-dispersive spectroscopy http://www.4spepro.org/view.php?article=004196-2012-04-19 Discriminating between microscopic regions of component polymers that have chemically similar structures enables characterization of the phase-inversion composition of a biobased immiscible blend. Composites Fri, 20 Apr 2012 13:00:00 +0100 A novel lightweight, flexible, conducting polymer composite http://www.4spepro.org/view.php?article=004190-2012-04-10 Trans-polyisoprene filled with the conducting polymer polyaniline greatly improves thermo-mechanical and thermal conductivity. Composites Mon, 16 Apr 2012 13:00:00 +0100 Sandwich beams with a graded rubber core under flexural loading http://www.4spepro.org/view.php?article=004104-2012-04-19 Common, low-cost materials such as fly ash, jute, and rubber can create graded structures with desirable properties that could replace more expensive glass-epoxy materials in certain applications. Composites Fri, 13 Apr 2012 13:00:00 +0100 Improved dispersion of conductive particles in polypropylene composites http://www.4spepro.org/view.php?article=004025-2012-04-10 A synergistic effect between polyaniline and multi-walled carbon nanotubes greatly improves volume conductivity in ternary composites with polypropylene. Composites Wed, 11 Apr 2012 13:00:00 +0100