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
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.
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.
Low-cost, high-performance thermally conductive plastics
Surface treatments and boron nitride-based mixed filler formulations are used to address property and cost challenges.
Investigating two electrospinning mass transfer mechanisms
Whipping and splittingÃ¢â‚¬â€favored by separate processing conditionsÃ¢â‚¬â€result in different fiber diameters and diameter distributions, and can be identified by the measured current during processing.
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.
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.
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.
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.
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.
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.
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.
Predicting thermal degradation mechanisms in polymer composites
Kinetic modeling and structural analyses are used to determine degradation pathways in metal-filled epoxy materials.
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.
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.
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.
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.
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.
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.
Angle analysis for the evaluation of in-plane anisotropic properties
A new approach, based on angle measurements in simple unidirectional tests, reduces the time, samples, and costs required for determination of material parameters such as textile permeability.
Phosphorus compounds improve flame retardancy of unsaturated polyesters
Two novel phosphorus-containing reactive flame retardants were synthesized and incorporated into unsaturated polyester to enhance its thermal stability and flame retardancy.
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