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
Real-time tracking of polypropylene deformation
A new Raman spectroscopy setup provides a rapid, powerful and non-destructive technique to follow microstructural changes occurring in polymers under stress.
Understanding hyperbranched polymerization mechanisms
Free-radical polymerization and the Michael addition reaction mechanisms compete in a polymer system that forms a 3D cross-linked network structure.
Is calcium carbonate still reasonable as cheap and inert filler?
Calcium carbonate, a widely used, abundant filler, interacts adversely with halogen-free, flame-retardant additives in polypropylene composites.
Stochastic modeling of gelation time in photopolymerization
Monte Carlo simulations capture the effect of photoinitiator concentration on the gelation time of multifunctional polymer constituents.
Equal-channel, multiple-angular extrusion of semicrystalline polymers
A new, simple, shear-based approach to solid-phase extrusion could potentially be used to improve the physical and mechanical properties of polymers.
High-aspect-ratio microfeature injection molding
Microchannel layout and shape affect the filled length and surface morphology of molded microfeatures.
Polypropylene/CO2 foaming in core-back molding
Visual observations and numerical calculations clearly illustrate foaming behavior in a mold cavity.
How to control migration of slip agents in polyethylene films
Study of the behavior of lubricants in packaging materials shows that their diffusion to the surface strongly depends on their chemical structure and molecular weight.
Macroscopic evaluation of nanofiller dispersion
The degree of dispersion of lamellar nanofillers in a polymeric matrix is evaluated by rheological, mechanical, and permeability analysis.
A cyanate ester resin modified with hydroxyl-terminated polybutadiene
Adding a reactive liquid rubber to a polymer resin results in a material with improved toughness and good thermal stability.
The radical-scavenging effect of silver ions in high-impact polystyrene synthesis
Silver nanoparticles decrease the polymerization rate by scavenging free-radicals from the polymeric initiator.
Cost-effective, less polluting UV-absorbent film
Modifying carbon black with a commercial UV absorber and incorporating it into polyester film improves the film's ability to absorb radiation of wavelength 300-400nm.
Nanocomposites improve performance of biodegradable polymers
Nanocomposites based on polycaprolactone exhibit enhanced tensile properties and controlled biodegradation rates.
A new laminate compression test
Laminated composite compressive strength can be measured, without massive or expensive test fixtures, with an end-loaded hybrid specimen.
High-strain-rate behavior of polymer matrix nanocomposites
Static and dynamic mechanical properties of polymer composites are experimentally measured.
Microfibrillar thermoplastic-wood fiber blends with improved creep properties
Incorporating engineering-plastic microfibrils in a high-density poly(ethylene) matrix creates new-generation wood-plastic composites with superior mechanical performance.
Theoretical model sheds light on film blowing
Thin-film equations are formally derived to show how big an effect aerodynamics can have.
Tissue engineering scaffolds formed by pseudo-negative voltage electrospinning
An emerging electrospinning technique enables the fabrication of multilayered fibrous membranes with high fiber density and reliable fiber alignment.
Copper alloy injection-mold tooling
Use of high-thermal-conductivity mold tooling reduces the cooling time during injection molding.
Survivability design of composite wave-energy converters
Design considerations and large-scale slamming tests enable a low-cost, flexible wave-energy device with floating point absorbers made of filament-wound composite material.
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