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
Damping properties and mechanisms of magnetorheological gel
Increasing carbonyl iron powder filler content affects polyurethane matrix reactions and causes the loss factor of the composites to decrease.
Quantitative microscale assessment of polymer flammability
The general principle of the micro-combustion calorimeter test is described and experimental results for a polycarbonate sample are presented.
Color stability of stained wood-flour/polypropylene composites during weathering
The addition of pigments represents the most effective staining method for improving the color stability of wood-plastic composites for outdoor applications.
New solvent for gel spinning of ultra-high-molecular-weight polyethylene fibers
The feasibility of using polybutene to improve production efficiency and maintain mechanical properties is demonstrated.
Foam injection molding with nitrogen and carbon dioxide as co-blowing agents
A novel process combines gas-laden pellets and microcellular injection molding to produce thermoplastic polyurethane foams with low density, uniform cell structure, and high durability.
Increased thermal conductivity of polymer composites
A synergistic effect in polycarbonate/acrylonitrile-butadiene-styrene alloys arises from the inclusion of alumina, magnesia, and graphene nanoplatelet fillers.
Predicting thermal degradation mechanisms in polymer composites
Kinetic modeling and structural analyses are used to determine degradation pathways in metal-filled epoxy materials.
Effects of silanes on tribological properties of rubber composites
The friction coefficient and wear loss of clay/rubber composites containing three different silanes were experimentally determined.
Improving electron transport and mechanical properties of polyaniline-based composites
Doping polyaniline with well-dispersed poly(3,4-ethylenedioxythiophene) increases the composite conductivity due to the increased mobility of charge carriers.
A novel foaming method for fabricating microcellular injection-molded parts
Water vapor represents a new kind of physical blowing agent for the fabrication of foamed-polycarbonate parts with a smooth surface finish.
The skin-core structure of injection-molded parts
A highly oriented skin layer caused by flow-induced stresses from injection molding was visualized and quantified by x-ray nanotomography.
Improving the mechanical and thermal properties of copolyimide fibers
The incorporation of benzimidazole and ether moieties causes microvoids to decrease in size and enhanced hydrogen bond interactions within the fibers.
Importance of sample dimensions in dynamic mechanical analysis
Both the size of samples and the type of clamp geometry should be considered during testing of epoxy resins to ensure accurate modulus measurements are obtained.
Core-material penetration in multi-cavity co-injection molding
A high core-material ratio and slow injection speed allow for good penetration, but leading behavior during the runner-filling stage can result in unsatisfactory material distribution in the molded parts.
Investigating two electrospinning mass transfer mechanisms
Whipping and splittingâ€â€favored by separate processing conditionsâ€â€result in different fiber diameters and diameter distributions, and can be identified by the measured current during processing.
Low-cost, high-performance thermally conductive plastics
Surface treatments and boron nitride-based mixed filler formulations are used to address property and cost challenges.
Keratin-containing nanofibers for cell growth and tissue scaffolds
A polymer solution that includes human hair is used in a UV-electrospinning technique to fabricate non-toxic fibers with diameters of less 350nm.
Explaining electrical resistivity effects in electro-conductive polymer composites
Morphological analysis of saponified carbon-black-filled semi-crystalline polymers provides a new theory for positive and negative temperature coefficient phenomena.
Combinatorial effects of kneading elements on twin-screw compounding
An inline residence-stress-distribution methodology enables characterization of the effect of unique screw geometries on dispersive mixing.
Influencing the strength and biodegradability of polylactide blown films
The morphology and enzymatic degradation of polylactide compositesâ€â€plasticized with acetyl tributyl citrate and blended with glycidyl methacrylate-grafted poly(ethylene octene)â€â€have been investigated.
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