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Polymer Processing Systems
As Seen In Plastics Technology
Troubleshooting Pressure Fluctuations in Piston-Type Melt Filters
Piston filtration offers many advantages over other systems. While pressure fluctuations could be regarded as their weakness, there are many ways to avoid them, both from the mechanical and the process side. Small adjustment can make a huge difference in the overall performance and efficiency of the system.
Mitigating and Troubleshooting Underwater Pelletizing Issues
There’s a shift to underwater pelletizing systems as compounders strive to produce higher-quality pellets. But underwater pelletizers are not general-purpose tools. Follow these steps to help ensure you maintain throughput, pellet quality and efficiency.
Giving the ‘Royal’ Treatment in PET Packaging
In the U.S. for just seven years, Royal Interpack is emerging as a growing, innovative, customer-centric supplier of food packaging.
Follow These Guidelines to Select the Right Pelletizing System
Which pelletizing system is right for your application? Is the one you’re using today necessarily the right choice for tomorrow? Here’s is an analysis that can help you decide among the three major options.
Extrusion: Quick-Change Manual Screen Changer
Quick-change mechanism reduces by 50% the force required for switching screens on an extrusion line.
Nordson Appoints New Pelletizer Manager
Merritt Christian to be responsible for sales of BKG pelletizer line.
Nordson to Supply 16 Pelletizing Systems to New PET Plant in China
Nordson’s CrystallCut system integrates underwater pelletizing, drying, water filtration and direct crystallizing at temperatures of up to 180 °C and crystallinity up to 40%.
RECYCLING/SCRAP RECLAIM AT NPE: Less Waste And Lower Maintenance
Whether for commercial recycling or in-house scrap reclaim, new systems boast reduced maintenance, higher throughput, and less waste of resin for purging.
Extrusion/Compounding at K 2013: Having It All
Extrusion processors no longer need to chose among speed, quality, and flexibility, based on exhibits at K 2013.
There’s No Lid on This Processor’s Creativity
For this lid maker, the keys to success are speed, flexibility and ingenuity.
Nordson Buys Kreyenborg
Nordson Corp. continues to add to its portfolio of plastics equipment companies with the purchase of Kreyenborg GmbH, which makes screen changers; and sister company BKG Bruckmann, which makes pelletizers.
Extrusion & Compounding at NPE: Advances Push Efficiency Envelope
Blown film towers may have been scarce, but there was no shortage of new technology aimed at helping to make extrusion processors more profitable.
Auxiliaries at NPE: New Solutions from Material Preparation To Post-Mold Operations
There will be an extraordinary range of new auxiliary equipment on display at the show.
Extrusion & Compounding at NPE: More Output, More Flexibility, Less Energy
There won't be many blown-film lines running, but there is still much in the way of innovation going on in extrusion and compounding.
'Dryer-less' PET Sheet System
Processing Technologies International (PTi), recently took the wraps off its “dryer-less” twin-screw PET sheet extrusion system at its headquarters in Aurora, Ill.
Materials Handling: New Equipment Emphasizes Efficiency & Value
Visitors to the recent NPE 2009 show in Chicago were looking for materials handling equipment that could do more than dry, blend, or convey resins. It had to do those things while saving energy, providing faster and easier maintenance, speeding product changeovers, reducing labor cost, minimizing waste, and providing better value for money. The new products cited below addressed those needs and more.
NPE 2009 Wrap-Up: New Machinery for Extrusion and Compounding
Extrusion machinery at the June NPE show in Chicago showed inventive ways to get more out of your floorspace and materials.
NPE News in Compounding
Compounding news at the show includes several new ways to feed low-bulk-density materials faster for higher outputs with corotating twin screws.
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.
NPE 2006 News Wrap-Up: Recycling and Scrap Reclaim
NPE was full of new equipment and systems for recapturing valuable in-plant scrap and post-consumer/post-industrial plastic waste. Recovery of PET packaging and film or fiber waste were particular areas of emphasis, as were lots of new granulators, from the world’s biggest to micro-size and even ‘clean-room’ models.