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End Markets

Antiviral Additive Reportedly Kills Coronavirus on Plastics in Auto Interiors

By: Lilli Manolis Sherman

In response to COVID-19, automotive Tier 1 molder and compounder CpK has developed an antiviral additive for auto interiors and other applications. 
#Elastomers #closeupontechnology

Materials Know How

Tracing the History of Polymeric Materials--Part 2

By: Michael Sepe

The invention of Celluloid got the ball rolling for future innovations in materials and processing.
#Elastomers

Materials

Real-Time NIR Testing Can Slash QC Costs Up to 90%

By: Lilli Manolis Sherman

Using the right near-infrared (NIR) measurement devices for the job is key—whether for moisture, composition analysis, or full-spectrum testing.  
#Elastomers #closeupontechnology

Recycling

General-Purpose Screws on the Comeback?

By: Jim Frankland

They are being specified more often for recycling applications to increase flexibility. But there is still no such thing as a GP screw and recyclers need to consider other processing approaches.
#bestpractices #sustainability

November 2020’s Most-Viewed Articles

These articles garnered the most reader attention among stories posted in November 2020 by Plastics Technology: implementing automation, gauging residence time, the history of polymers and more.
#bestpractices

Know How

The Importance of Gauging Residence-Time Distribution—Part 2

By: Suhas Kulkarni

Each molecule in the molded product can have a different residence time. This variance is reflected in the Residence-Time Distribution, which you can learn how to determine below.  
#processingtips

Tooling Know How

Get Better at Quoting Injection Molded Parts: Part 1

By: Jim Fattori

Follow these detailed tips to get you the jobs you want. This installment focuses on the various raw material aspects of quoting.

Electronics

How to Automate High-Precision ‘Micro’ Insert Molding

By: Joe Varone, Wittmann Battenfeld Inc.

What does it take to automate a horizontal injection molding cell to handle micro-sized inserts and molded parts? General-purpose top-entry robots and tooling may not be up to the job.
#bestpractices

Extrusion

Troubleshooting Pressure Fluctuations in Piston-Type Melt Filters

By: By Oliver Brandt, Nordson Corp.

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.
#bestpractices #processingtips

Recycling

Researchers Combine Mechanical and Chemical Recycling

By: Heather Caliendo

This research team is working on developing a novel hybrid chemical-mechanical technology for recycling and upcycling of laminated and multilayered plastics.
#sustainability #closeupontechnology

Plastics Processing Index Hits Two-Year High

By: Michael Guckes

Five of six business components show expanding October activity as index hits 55.6.
#economics

Sheet

PPEs Are Here to Stay: Is Your Sheet Line Ready?

By: By Steven DeAngelis, Davis-Standard, LLC

Follow these tips to evaluate your sheet extrusion lines to find out if you can expand into this market.

Recycling

Betting Big on Recycled PET

By: Heather Caliendo

Distributor of virgin PET resins PolyQuest is also a growing manufacturer of recycled PET resins.
#sustainability #technologyinaction #planttour

Recycling

CG Roxane's San Bernardino rPET Facility Marks First Year of Production

By: Heather Caliendo

CG Roxane’s CEO and President Ronan Papillaud discusses the company's journey into rPET production.  
#sustainability

Sponsored Content

Performance Modifier Additives Make Standard Polypropylene Resins Perform Like Premium Grades

Polypropylene (PP) shortages have forced many processors to move to lower grade resins at the cost of lower performance and processability. Milliken’s DeltaMax Performance Modifiers upgrade these materials to enhance impact resistance, melt flow rates, and sustainability through the use of more recycled material.  
#sustainability #polyolefins

Extrusion Know How

The Three Causes of Screw Wear

By: Jim Frankland

You run the risk of wasting time and money by not understanding what’s causing your screws to wear.