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
Predicting starch transformation in twin screw extrusion
Dedicated software makes it possible to predict the change in the intrinsic viscosity of starch.
Phase coalescence impacts rheology and birefringence of polymer blends
A new phase-morphology development explains significant viscosity and birefringence drops following melt processing.
Factors affecting injection molding of microribs
Experimental testing of five processing and two geometric factors shows that barrel temperature and injection velocity have significant effects on the quality of polymer microstructures.
Factors affecting melt electrospinning
The melt-flow rate during production of nanoscale polymer fibers is most important in determining average fiber diameters and standard deviations, followed by the operating voltage.
Safer polyvinylchloride with zero phthalate migration
A new type of plasticizer can be chemically linked to the polymer chain.
Effect of fountain flows on injection-molding-induced morphology
In injection molding of polypropylene, extensional deformation at the advancing flow front causes high birefringence near the surface.
Effects of graphite fillers on carbon-carbon composites
Matrix modification through carbonization at different temperatures significantly improves some properties of precursor phenolic-carbon-fabric and their associated carbon-carbon composites.
Fabrication and application of polymer/noble-metal composite microspheres
A new self-assembly approach produces poly(acrylonitrile-co-vinyl acetate)/silver composite microspheres that exhibit excellent catalysis.
Graphite nanosheets act as conducting filler for high-density polyethylene
Nanocomposites containing graphite nanosheets exhibit a very low percolation threshold and significantly enhanced mechanical and processing properties compared with those containing carbon black.
Thermoforming poly(methyl methacrylate) transparencies
Numerical simulations enable prediction of the properties of polymer transparencies that are thermoformed near their relevant glass-transition temperature.
Nanofillers improve the mechanical properties of recycled polypropylene
The impact and modulus of polypropylene reinforced with nanocalcium carbonate correlate with morphology, filler level, and the effect of recycling on the resin matrix.
Accelerating the crystallization of poly(lactic acid)
Combining nucleation agents and plasticizers enhances the material's crystallization rate and could extend its range of applications.
Progressive degradation of cyanate ester composites
Hydrolysis during cure can adversely affect localized mechanical and thermal performance, assessment of which is critical to evaluate material risks.
Chemical modification of flexible poly(vinyl chloride) by nucleophilic substitution
A new method of removing chlorine from an everyday waste plastic promises to increase the amount of recyclable material.
Managing photodegradation of poly(vinyl chloride)
Colorimetry and Fourier-transform IR spectroscopy can be used to assess the impact of organic-calcium-complex stabilizers and organotins on initial color stability and photo-oxidation.
Viscoelasticity, tackiness, and extrusion flow of block copolymers
The dominant rubbery state in high-molecular-weight thermoplastic elastomers leads to a lack of adhesion and a plug flow.
Tailoring 2D large-open-mesh braided composites
Application of open-mesh epoxy composites enables modifications to their elastic behavior.
Electrically conductive epoxies using multiwall carbon nanotubes
The heterogeneity of polymer matrix composites with conductive inclusions leads to a multiparameter dependence of their electrical behavior.
Effects of film and substrate thickness on film-insert molding
The surface quality of injection-molded parts can be improved significantly (and warpage reduced) by a proper choice of material dimensions.
Compatibilized blends of polypropylene and a poly(amino ether)
Adding an ionomer to polymer blends containing a poly(amino ether) resin leads to improved structure and enhanced elongation at break and impact strength.
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