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
Carbon nanotubes accelerate epoxy resin curing
Rapid epoxy hardening is caused by the presence of impurities in the nanotube dopant.
Clay's location affects flammability of polypropylene
A synergistic effect between flame retardant and clay depends on the clay being situated within the polymer matrix.
Enhanced orientation in water-assisted injection-molded parts
Two-dimensional small-angle x-ray scattering studies shed light on the structure of polymer parts made by water-assisted injection molding.
Improving the mechanical properties of poly(vinyl chloride)-lignin blends
Composites made of lignin treated with poly(ethyl acrylate-co-acrylic acid) showed better tensile and impact strengths.
Effect of clay on the electrical strength of epoxy/clay nanocomposites
Adding the organoclay Cloisite 30B to epoxy resin significantly changes the insulating properties of the composite material.
Feed enhancement technology for twin-screw compounding of low-bulk-density material
A novel approach significantly improves the introduction of fine-particle and low-bulk-density materials into a co-rotating twin-screw extruder.
Influence of injection velocity on quality of insert molding
Suitable joint geometry and just the right speed of melt injection improve the adhesion strength of a specially designed wafer-cassette-storage box.
The effect of nanoclay on curing unsaturated polyester resin
Nanoclay can affect the kinetic parameters of unsaturated polyester resin catalyzed with a methyl ethyl ketone peroxide initiator and promoted by a cobalt naphthenate accelerator.
Predicting composite surface finish based on dimensional changes in resin
A simple method estimates, based on predicting variation in part thickness during the process, the surface finish quality of panels manufactured by resin transfer molding.
Polyacrylonitrile/acrylamide-based carbon fibers prepared using solvent-free coagulation
Polymer precursors of carbon fibers made using an environmentally friendly process show mechanical and thermal properties comparable to those prepared by conventional methods.
Adding plant fibers improves thermomechanical properties of poly(lactic acid) matrix
New Zealand flax leaf fibers, traditionally used for weaving mats and ropes, can reinforce a poly(lactic acid) matrix, making it more desirable for plastics and composite applications.
What can mimic a 'flight simulator' for polymerization reactors?
A detailed and improved mathematical model helps scientists and engineers to ‘visualize’ production scenarios for acrylonitrile-butadiene rubber emulsion copolymerization.
Improved mechanical properties of a polylactide thermoplastic elastomer
A high-molecular-weight copolymer blend based on poly(lactic acid), possessing both amorphous and crystalline segments, features excellent mechanical performance and thermal properties.
Chemical degradation of polyethylene pipes due to water-based disinfectants
By analyzing antioxidant thickness profiles in polyethylene pipes, the primary aging processes of the drinking water distribution network can be understood.
Blend membranes for ionic polymer-metal composite actuators
Larger actuation displacements and blocking forces at 2.5 and 3.0 DC voltages render the new composites superior to Nafion and useful for many applications.
Synthesis of core-shell block copolymers by miniemulsion polymerization
Block copolymers that possess a soft core, hard shell, and polar terminal units can be synthesized by surfactant-free reversible addition-fragmentation chain-transfer radical polymerization.
Impact of fiber reinforcement on polymer blend properties
Blends of polyethylene terephthalate and high-density polyethylene, with varying component ratios and short fiber reinforcements, help explain useful changes in mechanical properties.
Copolymer crystallization from cyclic butylene terephthalate and polycaprolactone
Polycaprolactone addition significantly alters polymer processing behavior, crystal morphology, and mechanical properties.
Entangling additives enhance polypropylene foam quality
Combining clay and compatibilizer additives with linear polypropylene forms nanocomposites with a densely entangled inner structure able to produce quality foams upon extrusion.
Mechanical properties and deformation behavior of plastic blends
Three deformation mechanisms occur in acrylonitrile butadiene styrene rubber-toughened blends, and strain rate affects the relative contribution of each mechanism.
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