SPE Library

The SPE Library contains thousands of papers, presentations, journal briefs and recorded webinars from the best minds in the Plastics Industry. Spanning almost two decades, this collection of published research and development work in polymer science and plastics technology is a wealth of knowledge and information for anyone involved in plastics.

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Technical Article Briefs

Liquid-crystal-functionalized carbon nanotubes improve nanocomposite properties

Xueqing Cai, Xue Gao, Weijian Xiong, Dayong Gui , Guiming Tan, Jianhong Liu, December 2016

The addition of carbon nanotubes, functionalized with 4Ã¢â‚¬Â²-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 , Erik L. J. Bohez, 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

Lih-Sheng Turng , Tom Ellingham, Hrishikesh Kharbas, Haoyang Mi, An Huang, Xiangfang Peng, 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, 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

Kent E. Nielsen, Frank A. Brandys, Michael R. Thompson , Rohan N. Pukadyil, G. Prasath Balamurugan, 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

Tim A. Osswald, Camilo Perez, Niels Modler, Rico Blei, Teresa Mobius, 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

Krysztof Wilcynski, Adrian Lewandowski, Krzysztof J. Wilczynski, 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.

Novel nanocarbon/polyurethane composites for corrosion resistant coatings

Kothapalli V. S. N. Raju , Rohit Ranganathan Gaddam, Ramanuj Narayan, Srinivasarao Pilla, November 2016

A versatile synthesis method is used to realize high-performance nitrogen-core hyperbranched polymer-carbon nanohorn hybrid materials.

Influence of graphene oxide inpolytriazoleimide nanocomposites

Sarojadevi Muthusamy, Bajaji Sadhasivam, Balasubramanian Rukmanikrishnan, November 2016

Polytriazoleimide composites containing at least 1wt graphene oxide nanoparticles exhibit substantially improved thermal, mechanical, flame retardancy, dielectric, and water-absorption properties.

Magnetite nanoparticle polymer composites for prolonged and controlled drug release

Nilhan Kayaman-Apohan, Burcu Oktay , Serap Demir, November 2016

Hydrogel samples that contain drug-loaded magnetite particles exhibit good release characteristics in both the presence and absence of a magnetic field.

Using physical and simulated data to improve injection molding performance

Angela M. Dean, Thomas J. Santner, Rachmat Mulyana, Jose M. Castro, Po-Hsu Chen, Maria G. Villarreal-Marroquin, November 2016

A novel, calibrated-predictor-based optimization methodology is used to identify the best compromises between competing processing conditions.

Increasing the efficiency of plate to plate hot embossing

Ying Liu, Zhenzhou Yang, Hong Xu, Xiuting Zheng, Jingyao Sun, Daming Wu , Pengsheng Gou, November 2016

A new method for plate to plate hot embossing has been developed, greatly decreasing the cycle time required for the process.

Fabrication of polymer nanofiber arrays using thermal nanoimprint lithography

Hiroshi Ito , Takashi Kyotani, Paritat Muanchan, Shohei Suzuki, October 2016

Controlling the molten polymer flow in anodic aluminum oxide templated thermal nanoimprinting produces polymer nanofiber arrays with reproducible well-defined fiber lengths and aspect ratios.

Light diffusion properties of polycarbonate composites

Peng Ding, Xingshuang Hou, Na Song , Liyi Shi, October 2016

A two-step melt-blending process and silicate microsphere/nanotitania hybrid fillers provide optimum optical and mechanical properties.

Dynamic and static crosslinking of polyvinyl butyral with a silane agent

Marilia Sonego, Lidiane Cristina Costa, Jose Donato Ambrosio, October 2016

Chemical modification of polyvinyl butyral, with vinyltrimethoxysilane, increases its resistance to organic solvents through dynamic and static crosslinking.

Effects of temperature on the relaxation behavior of poly(lactic acid)

Necmi Dusunceli , Aleksey D. Drozdov, Naseem Theilgaard, October 2016

A series of tensile loading-unloading and relaxation tests, under stretching and retraction cyclic deformation conditions, were conducted between room temperature and 50°C.

Polymer nanocomposite tribology improved with nanoclay reinforcements

Nesar Merah, Mohammed Abdul Samad , Annas bin Ali, October 2016

The specific wear rate and coefficient of friction of ultrahigh-molecular-weight polyethylene samples are substantially reduced with the use of three different types of nanoclay filler.

Wear mechanisms in palmyra-fruit-fiber-reinforced polymer composites

Irulappasamy Siva, Durairaj Ravindran, Sankar Irullappasamy, October 2016

The effect of several different fiber-surface chemical treatments is investigated for palmyra fruit fiber/polyester samples.

Improving tissue engineering scaffolds with non-mulberry silk fibroin

Qiang Zhang, Renchuan You, Jie Zhang, Yuhang Guo, Yanfei Feng, Xiufang Li, October 2016

Composite nanofibers of polycaprolactone and Antheraea pernyi silk fibroin exhibit good mechanical properties and promote cell attachment, spreading, and proliferation.

Influence of injection rate on injection-molded ß-nucleated isotactic polypropylene

Zhigao Huang, October 2016

Wide-angle x-ray diffraction and differential scanning calorimetry measurements, as well as simulations, were used to investigate the crystallization properties of layered parts.

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