Exploring the: PET Processing - Extrusion Zone



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Infrared Crystallizes and Dries PET Faster and with Less Energy
In the search for ways to dry hygroscopic resins faster and more efficiently, infrared energy is an approach that many dryer makers find intriguing and potentially promising.
Article Published: 7/1/2007
Recycled PET/PE Alloys Show Promise In Monofilament, Pallets, Pipe
Alloys of polyethylene and recycled PET were the highlight of the annual SPE Global Plastics Environmental Conference (GPEC) in Detroit in February.
Article Published: 5/1/2004
NPE 2000 News Wrap-Up: Extrusion
At this year’s NPE, new processes to put wood flour into plastic were virtually everywhere—several even start with undried flour.
Article Published: 3/23/2004
NPE News Wrap-Up: Extrusion
Gearless extrusion, cryogenic profile calibration, wireless data communications, and automatic start-up of blown film lines are just a few of the new ways to raise efficiency and output that were highlighted at NPE.
Article Published: 8/1/2003
How to Fix Vent-Flow Problems
Putting one or two vents between the feed throat and die is a good way to remove moisture, trapped air, and other volatiles from melted plastic as it moves through an extruder.
Article Published: 1/1/2002
Extrusion (K 2001 Preview)
Probably the most intriguing news in extrusion at K 2001 will be a novel way to extrude clear film that differs from standard blown and cast methods.
Article Published: 9/1/2001
Foamed PET Sheet Tackles New Markets
Perpetually in its infancy, PET foam sheet has been a hard sell for packaging producers over nearly a decade. It found successful niches in thermoformed ovenable bakery trays, meat trays, and reheatable dinner trays for home delivery to disabl...
Article Published: 6/1/2001
PET Recycling Line Crystallizes While Chopping
A new method of recycling PET into pellets or directly into extruded sheet is said to save time and energy by combining crystallizing and drying with size reduction in one piece of equipment.
Article Published: 8/1/1999
Extruding
Where's the extruder?" was the comment often heard about the most unusual extrusion exhibit at K'98, a screwless, cone-shaped device that can extrude two or more melt streams.
Article Published: 1/1/1999

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