Postconsumer
EXTRUSION & COMPOUNDING: Five-Layer Film Structures Set to Supplant Three Layers?
In blown film, equipment and material suppliers have come together to push five-layer technology into non-barrier applications previously held by three-layer films.
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Recycling & Scrap Reclaim at NPE 2003
Most of the news to be found at NPE in post-consumer recycling comes from Europe and concerns direct recycling of PET flake into sheet without repelletizing.
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Entrepreneur Puts Mixed-Polymer Recycling On Track to Success
Polywood Inc. in Edison, N.J., uses mixed recycled plastics to make fiber-reinforced structural profiles for railroad ties, I-beams, and decks.
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Recycling at K 2001: New & Better Ways to Reclaim PET
Last fall's K 2001 show in Dusseldorf brought out new advances in bottle-to-bottle PET recycling.
Read MoreThe Fine Art Of Separation
If you need ground plastic waste separated from metal particles, or plastic flakes separated by color or density, Butler-MacDonald Inc. is up to the job.
Read MoreTwin-Screw Demo System for Sheet Extrusion from Undried PET
Leistritz has installed ZSE-27 and ZSE-50 Maxx twin-screw extrusion systems in its Somerville, N.J., process laboratory to demonstrate the energy savings possible by reprocessing undried PET in-line with direct sheet extrusion.
Read MoreRecycle Pricing: RPET Market is Hot, Prices Are Soaring
The recycled PET market was red-hot in February and March with Chinese export demand picking up on the West Coast and new domestic recycling plants competing for that same material.
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How Much Regrind Can You Handle?
Most extrusion operations generate scrap, and in the case of sheet for thermoforming it can exceed 70% of total output.
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Sustainability Drives Innovation at Leading RPET Processors
Two Southern California processors have boldly gone where no one has ever gone before.
Read MoreMake Polyolefins RF Weldable Without Additives
Up to now, radio-frequency (RF) welding or sealing of films, foams, and fabrics has been limited mainly to polar resins with high dielectric loss factors—particularly flexible PVC and TPU.
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