Postconsumer
NPE 2006 News Flash
Injection MoldingSimplified Hot Runners Save Time & CostA new lower-cost hot-runner alternative to valve gating is suited to less critical cosmetic applications where users need predictable and reliable gate opening but not sequential gate operation.
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Magnetic Separation Simplifies Multi-Material Scrap Recovery
Recent trends to-ward multi-material molding, hard/soft overmolding, and dual-durometer coextrusion create growing volumes of scrap that is difficult or impossible to reuse.
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SPE Automotive Awards Highlight Materials and Processing Advances
What’s new in plastics on cars?
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Four Ways to Fight Sky-High Resin Prices
There are lots of ways to economize on resin costs, but here are four that you may have overlooked: negotiating smarter resin contracts, buying “futures,” using recycled resins, and more efficient purging aids. The main idea is to give yourself more choices, no matter what direction resin prices go.
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Headlines for the Next 50 Years
Ever wonder what it would be like to get tomorrow’s newspaper today? After reviewing the most important technical developments of the past 50 years in our October issue, we asked industry experts to help us imagine the biggest headlines in plastics from now to 2055. What we got was a mixture of predictions of what will happen and a wish list of what should happen.
Read More50 Ideas That Changed Plastics
Very few readers of this issue can remember, or even imagine, what it was like when an injection molding machine did not have a screw, but only a smooth-bore plunger.
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Graphical Analysis Helps Find and Fix Ultrasonic Welding Problems
Using Real-Time Weld Graphs to Achieve Process Repeatability and Control Limits in Ultrasonic Welding
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Used Car Windshields Are Reborn As Carpet Backing
Two years ago, the Kaiser Permanente hospital chain challenged its two institutional carpet suppliers to come up with a carpet containing no PVC.
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K 2004 Wrap-Up on Recycling & Scrap Reclaim: Turn Trash to Cash with New Compactors, Shredders and Grinders
Topping recycling news at the latest giant K Show in Dusseldorf, Germany, were new compactor technologies for films and foams that can densify plastic waste for recycling and even mold finished parts—not just save space in a landfill.
Read MoreHow to Turn Auto Shredder Waste Into 60 Million Lb of Plastic Pellets
While much of the world is studying the possibility of getting any economic value out of auto shredder residue—for example, as fuel for cement kilns or power plants—Europe’s second largest scrap-metal reclaimer cranks out polyolefin and polystyrene pellets made from shredder residue at 20,000 to 100,000 lb/hr, or about 40 million lb/yr.Galloo Plastics, the recycling unit of the Galloo Group in Halluin, France, has been so successful at supplying automotive markets with its black PP compounds that it built a second auto shredder residue (ASR) recycling plant this year next to the first, inside its huge scrap yard.
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