Articles
Materials Part 6 of 7: Annealing Tips for Thermoplastic Polyurethanes
TPUs form physical, rather than chemical, crosslinks that can be broken by reheating. Formation of these crosslinks can be sped up by annealing, which improves a variety of properties.
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Follow These Purging and Preventive Maintenance Tips for Your Screws and Barrels
Processors can extend the life of equipment and improve productivity by coupling a preventive-maintenance program for their screws and barrels with routine use of chemical purging compounds..
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Tooling: Back to Basics On Die Springs--Part 2
Follow these steps for proper die-spring selection and installation.
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Plastics Processing Expands in July
With an Index reading of 52.3, processors report first monthly expansion since the coronavirus disruption.
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Prices Up for All Commodity Resins
Factors include strong domestic and/or export demand, tighter supplier inventories, and higher feedstock costs resulting from production outages.
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Extrusion: Evaluating Screw Design for Multi-Material Recycling
Since many plastic products are made of a combination of materials with very different melting points, careful consideration must be given to designing screws when it comes time to recycle these products.
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How and Where Twin-Screw Extruders Fit in Recycling
When utilized in a thoughtful way, the corotating intermeshing twin-screw extruder can transform recycled materials into value-added products and parts. Here’s what you need to know, and some real-world examples of the technology deployed for both post-industrial and post-consumer recycling.
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Reactive Extrusion: Industry Icons Impart Their Insights
Three distinguished experts in the area of reactive extrusion shed some light on this process.
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SABIC Steps-Up Specialty Thermoplastic Resins Fulfillment to Expedite Production of Critical COVID-19 Equipment
Two Chinese manufacturers swiftly received SABIC’s specialty engineered resins for the manufacture of much needed medical equipment.
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Quantifying the Appearance of Plastics
Gloss, reflection haze, and transmission haze are three of the most prevalent effects on the appearance of plastics. With the help of multifunctional tools like gloss meters and spectrophotometers manufacturers can measure these visual affects to ensure the integrity of a products appearance from start to end.
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Additive Manufacturing Media Announces New Educational Presentation Series
Presented with IMTS spark, the series will explore how 3D printing technology is changing the face of manufacturing.
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Materials Part 5: Annealing Tips for Crosslinked Polymers
As with semi-crystalline thermoplastics, annealing can be used in thermosetting polymers to obtain a level of crosslinking that may not be possible within the molding cycle.
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