Epoxies
No-oven, No-autoclave (NONA)
Room-temperature cure epoxy composites with a 400°F Tg, comparable properties vs. commercial systems without external heat or post-cure, and offering reduced cost and cycle time. Really?
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Additives and modifiers: Matrix optimization
New and reengineered modifiers for thermosets and thermoplastics target previously elusive goals in composites processing and performance.
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Deep draw: Unique laminate architecture enables bus part
For a major mass-transit manufacturer, Amtech LLC (Wapato, Wash.) successfully thermoforms a luggage cover with a remarkably deep draw of 40 inches (1,016 mm), using a laminate architecture that includes a top layer of 0.180-inch/4.5-mm gauge Grade 4800 thermoplastic sheet, supplied by Boltaron (Newcomerstown, Ohio).
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Cured in place pipe: Trenchless trends
A variety of CIPP products are enabling the rehabilitation, rather than excavation and replacement, of underground pipe for wastewater and drinking water.
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Auto composites quest: One-minute cycle time?
Faced with high fuel prices and ever-more stringent restrictions on tailpipe emissions, automakers are taking composites into their own hands.
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Handgun holsters: Thermoplastic composites target extreme performance
Safariland LLC (Ontario, Calif.), produces gun holsters, previously made of leather, from a proprietary composite that relies on a custom-formulated thermoplastic sheet product from Boltaron Performance Products LLC (Newcomerstown, Ohio)
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Spare wheel well: Functional integration
Gas-assist injection molding enables one-piece, one-shot thermoplastic composite/metal hybrid.
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Automotive evolution or real revolution?
HPC's editor-in-chief Jeff Sloan asks, Are efforts by BMW and GM to put carbon composites in cars a harbinger of things to come, as we hope, or flashes in the pan?
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Carbon fiber food tray arm: Better and cheaper
CW Conferences director Scott Stephenson summarizes the substance of a presentation at the High Performance Resins 2011 conference (Seot. 27-28) by Mohammad Moniruzzaman (SABIC Innovative Plastics, Pittsfield, Mass.), who detailed the development of a carbon fiber composite food tray arm for passenger aircraft seat backs.
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Composite vs. corrosion: Battling for marketshare
Market trends and tighter budgets are helping to expand the use of composites to repair and replace corrosion-damaged infrastructure — aboveground and underground.
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