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Recent Articles

Mechanical and crystal enhancements to polylactide with silver-nanoparticle filler

Jesús Bautista-Del-Ángel, Ana B. Morales-Cepeda, Tomas Lozano-Ramírez, Saúl Sanchez, Shahir Karami, and Pierre Lafleur
4 January 2017
Processing poly(lactic acid) with low concentrations of silver using a twin-screw extruder leads to nanocomposites with enhanced crystallinity and improved mechanical properties.

Novel preparation technique for polycarbonate/titanium dioxide nanocomposites

Daniel José da Silva
27 December 2016
The mechanical and thermal stability characteristics of bisphenol-A polycarbonate/electrospun titanium dioxide nanofiber samples, produced via molten-state mixing, are presented.

Depolymerization of terephthalic acid using hot compressed water

Zhiyan Pan, Junliang Wang, and Ke Bei
23 December 2016
Investigations into the phase behavior, stability, and the mechanism for stability of terephthalic acid in hot compressed water may enable more effective recycling of polybutylene terephthalate.

Liquid-crystal-functionalized carbon nanotubes improve nanocomposite properties

Dayong Gui, Weijian Xiong, Xue Gao, Xueqing Cai, Guiming Tan, and Jianhong Liu
21 December 2016
The addition of carbon nanotubes, functionalized with 4′-allyloxy-biphenyl-4-ol, to silicone resin improves the mechanical and thermal properties of the resultant nanocomposites.

Characterizing the bulk viscosity of polypropylene melt

Prapol Chivapornthip and Erik L. J. Bohez
19 December 2016
Uniaxial compression experiments show that the bulk viscosity has a higher magnitude than shear viscosity and should therefore not be neglected during flow analysis of the injection-molding process.

Polytetrafluoroethylene as a suitable filler for poly(lactic acid) composites

An Huang, Haoyang Mi, Hrishikesh Kharbas, Tom Ellingham, Lih-Sheng Turng, and Xiangfang Peng
15 December 2016
The mechanical, rheological, and foaming properties of melt-blended samples were investigated.

Longitudinal ultrasonic-assisted microinjection molding process for improved mold filling

Shan Gao
9 December 2016
Theoretical calculations and simulations have been created to analyze the mechanism of melt flow and can be used to guide selection of process parameters.

Minimizing wrinkling of thermoformed polymer films

G. Prasath Balamurugan, Rohan N. Pukadyil, Michael R. Thompson, Kent E. Nielsen, and Frank A. Brandys
30 November 2016
Biaxial stretching of laminates during thermoforming relieves stored compressive stresses and produces decorative parts with improved surface appearance.

Influence of process parameters on fiber orientation in reinforced thermoplastics

Teresa Möbius, Rico Blei, Niels Modler, Camilo Pérez, and Tim A. Osswald
24 November 2016
Simulations and experiments are conducted to determine how the fiber orientation of composite parts changes during a hot-press manufacturing process.

Starve-fed single-screw extrusion of polymer blends

Krzysztof J. Wilczyński, Adrian Lewandowski, and Krysztof Wilcyński
21 November 2016
In contrast to flood-fed extrusion, two distinct stages of melting are observed during starve-fed extrusion and a novel melting mechanism is thus proposed.