Articles
Sheet Extrusion, Thermoforming Tips for PLA/aPHA Blends
Biopolymers like PLA and PHA are able to meet sustainability goals while also delivering the performance attributes needed in rigid food packaging. Here’s what testing has shown.
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An Uphill Journey
Proper end-of-life outcomes for plastics are possible, if we’re willing to put in the work.
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Injection Molded Enclosures Plug into Potential Electric Vehicle Battery Applications
In partnership with material suppliers, Engel is proving out injection molded thermoplastic-based concepts for electric vehicle battery housings, utilizing production tools and dedicated machines at its large press factory in St. Valentin, Austria.
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How to Select the Right Cooling Stack for Sheet
First, remember there is no universal cooling-roll stack. And be sure to take into account the specific heat of the polymer you are processing.
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Using a Melt Flow Indexer to Test Your Pressure Transducer
The MFI tester enables collection of meaningful pressure data in transducers in a relatively short time, providing realistic measures of the response time of a pressure transducer. This information is critical in the interpretation of pressure data measured in an extrusion process.
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Optimizing Pack & Hold Times for Hot-Runner & Valve-Gated Molds
Using scientific procedures will help you put an end to all that time-consuming trial and error. Part 1 of 2.
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New Screw Boosts Mixing, Enhances Polymer Properties
Device mixes at the ‘molecular level,’ inventor says, to boost mechanicals and in some cases make pre-drying redundant.
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How to Configure Your Twin-Screw Barrel Layout
In twin-screw compounding, most engineers recognize the benefits of being able to configure screw elements. Here’s what you need to know about sequencing barrel sections.
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The Connector Conundrum: 3D Printed Mold Tooling’s Role in Innovation
ReelView Fishing faced an electronics obstacle in the development of its new technology for underwater video. Additive manufacturing for moldmaking allowed for the speed necessary to iterate to a solution. How inventors and invention will benefit from new ways of obtaining production-ready tooling.
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Prices Drop for All Five Commodity Resins
While PE price reductions were not as apparent, they too were following the year-end price trajectory of PP, PS, PVC and PET.
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Plastics Processing Index Remains Virtually Unchanged
Future 911爆料网 indicators rose again this month, but other inputs changed only slightly.
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7 Takeaways on 3D Printing As a Pathway to Polymer’s Future
The Cleveland section of SPE hosted “Additive Manufacturing: Printing the Path for the Future” on October 17, 2024. Speakers signaled where AM is and where it is headed with session topics ranging from pellet-based 3D printing to qualification and commercialization of additively manufactured products.
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