polyolefins
New Processes Give Automotive Molders An Edge in Cost and Productivity
Car makers' all-out effort to cut costs is giving rise to new paint-free technologies, including an innovative 'simultaneous-shot" injection molding process that was presented at the SPE Automotive Division's latest annual Innovation Awards ceremony.
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Commodities Futures Trading Starts for Polyolefins
In an era of volatile resin prices, trading commodities futures for plastics may be an idea whose time has come.
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K 2004 Wrap-Up on Materials: Setting New Benchmarks for Processability and Performance
Higher flow, higher heat, higher barrier, higher clarity, higher stiffness, lower durometer, lower smoke, lower odor—materials exhibits at the recent K 2004 show in Dusseldorf were stretching the bounds of processing and performance properties in all directions.
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K 2004 News Preview: Materials
Quite a few new polyolefins are being featured at this year’s show, with a particular emphasis on specialty PP and PE materials.
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Belt Polishing of Clear PP Film Proves Itself in Production
An unusual cast-film process that drops a melt curtain of polypropylene between a flexible steel polishing belt and a chill roll has now proven successful in high-volume commercial production.
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OPP Bottles: Has Their Time Come?
Maybe this time the often-predicted breakthrough will actually occur. What could make the difference are improved resins, clarifiers, and machinery.
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New Resins for Rotomolding
Several new commercial or experimental materials offer rotational molders higher stiffness, toughness, and processability in applications from toys to large storage tanks.
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New Clarifiers & Nucleators: They Make Polypropylene Run Clearer and Faster
New packaging opportunities are opening up for PP, thanks to a new crop of additives that boost clarity, stiffness, HDT, and processing rates.
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Another Supplier Develops Its Own Portfolio Of Metallocene PE & PP
In the past two years, a new player has quietly emerged among North American suppliers of metallocene-catalyzed polyolefins.
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Close-Up On Technology - New Technologies Add Zip to Rotomolding
Fully automated rotomolding equipment for nearly lights-out operation, a new approach to balancing molds, and a new oven design that trims space and energy requirements mark some of the new developments unveiled at the 27th Annual Fall Meeting of the Association of Rotational Molders (ARM), held in October in Toronto.
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