Articles
What You Need to Consider Before Adding a Compounding Line to Your Operation
Material volume, extruder size, facility space and power, and vendor expertise drive equipment choice.
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Polymer Science for Those Who Work With Plastics: Why Entanglements — Not Just Molecular Weight — Drive Plastic Performance
Ever try running your fingers through tangled hair? Yeah … that’s not fun, but that’s what happens at the molecular level when polymer chains reach the right length. They wrap around each other, intertwine and … get stuck — and those tangles are the real reason plastics perform the way they do.
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ICYMI: April Roundup
Catch up on the most-read articles that captivated our readers in April.
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Circular Plastics From Cyclic Molecules
Macrocycle is pioneering an approach to PET recycling via cyclic oligomers.
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A Processor's Guide to Making World-Class Multilumen Tubing
Process innovation is pushing catheter design to the limit. Here are Lubrizol’s tricks of the trade.
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New System Utilizes EMF Technology to Measure Sheet Thickness, Temperature
An altogether different approach to in-line measurement is said to provide direct thickness measurement, is impervious to material density changes, installs quickly and does so without radiation.
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Use a Process Assessment to Determine the Benefits of Screw-Design Modification
This type of analysis analysis will provide the converter with a clear picture of whether changes to the screw could provide economic gains through increased rate, yield, and quality.
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How Avid Product Development Creates Efficiencies in High-Mix, Low-Volume Additive Manufacturing
Contract manufacturer Avid Product Development (a Lubrizol company) has developed strategies to streamline part production through 3D printing so its engineering team can focus on development, design, assembly and other services.
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Overcoming Drying Hopper Ambient Air Leaks
Consider using a compressed-air-operated discharge valve. This provides a positive seal when it closes and ensures that no wet ambient air seeps into the drying hopper.
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Injection Molding Stock-Shape Parts in High-Temperature Materials
Patented technology is described as a hybrid that uses a specialized tool, a standard injection molding machine and off-the-shelf components to replace compression molding and extrusion for large stock shapes.
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Plastics Processing Activity Lands Flat at 50 in March
Latest reading is a slight regression from February’s expansion but not enough to call it contraction.
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The Middle Way, Dissolution Recycling Technologies Leave the Polymer Intact
Alternative approaches can produce high yield and high purity with reduced energy demand.
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