Compounding
Bottle-to-Bottle PET Recycling Uses Silicone Modifier
A new low-cost approach restores the properties of recycled PET bottle flake to produce new food-grade preforms and pellets.
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Hot-Fill Packaging: OPP and 'Panel-Less' PET Bottles Grab the Spotlight
Improved clarity and cost competitiveness, added to its inherent heat resistance, are reviving OPP’s prospects in hot-fill barrier containers. But hot-fill PET containers are raising the bar with higher productivity and ‘panel-less’ bottle designs.
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Foamed PLA Shows Promise In Biodegradable Meat Trays
Foamed food trays made of polylactic acid (PLA) resin, the corn-based biopolymer, have a commercial toehold in Europe and are undergoing market tests here.
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Carbon Nanotubes Improve In Properties, Purity and Price
ew suppliers and manufacturing technologies continue to emerge in the burgeoning field of carbon nanofibers (CNFs) and single-walled carbon nanotubes (SWCNTs). Recent news includes North American availability of CNFs from Austria’s Electrovac Group.
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Extruders Made in China: They're Coming Here Now
Low-priced Chinese-built extruders have arrived in North America to make pipe, sheet, film, and profiles. Some customers find them a good buy; others don’t. Here’s what you need to know.
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New Starch-Based Bioplastics Arrive
Two new families of starch-based bioplastics are coming to the U.S. market.
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'Green' and Growing
AERT (Advanced Environmental Recycling Technologies) Inc. in Springdale, Ark., maker of ChoiceDek wood/plastic composite deck boards, has always had a “green” strategy.
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New Resins and Modifiers for Extruded Profiles
Among new developments discussed at the Profiles 2007 conference in Charlotte, N.C., were high-melt-strength polyolefin elastomers for use as ingredients in TPO compounds that can compete with TPVs and flexible PVC.
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New Additives and Colorants To Debut at K 2007
The world’s largest plastics show next month in Dusseldorf will highlight an unusual mix of new polymer additives, including some based on novel chemistries that reportedly set new levels of performance.
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What's New at the Show in COMPOUNDING
Compounding machinery news at the K Show next month focuses on more torque, more output, and sometimes both, for kneaders, mixers, and twin-screw extruders.
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