Article Archive

Close-Up on Technology

Chinaplas Show Offers News For Packaging, Automotive, Electronics
Fast-growing plastics fair showcases the region’s growing appetite for sophisticated food packaging, and more.

Two New Blow Molding Tech Centers
Uniloy offers a range of new and expanded services for extrusion blow and injection-blow molders.

Clean-Room LSR Molding Cell For New Approach to HIV/AIDS Prevention
Injection press, metering system, and mold are engineered for medical molding of drug-impregnated LSR.

Features

On-Site: Winzeler Gear Thrives With a Little Help from Its Friends
Strategic partnerships give a small molder the technical clout of a much bigger firm.

Polyolefin Additives: Pushing the Limits in Films & Molded Parts
Advances in nucleators, compatibilizers, fillers, stabilizers, and more elevate performance of polyolefins.

Resin Conveying: No More ‘Spaghetti Bowl’
You now have technology choices to avoid the maze of conveying tubes that form a ‘spaghetti bowl’ or ‘rat’s nest’ in a central materials-handling system. Here’s how they stack up.

Solving Common Problems in Underwater Pelletizing
Pellet quality and consistency are critical to any compounding operation. But in underwater pelletizing, a variety of issues can stand in the way. Here’s how to fix them.

Strategies

Thermoformer’s Name Change Reflects Refocused Strategy
New identity highlights processor’s focus on technology, product quality, and food safety.

Keeping Up With Technology

AUXILIARIES: Heavy-Duty Shredders Round Out Size-Reduction Product Line
Conair's three new families of heavy-duty single-shaft shredders complete the company's offerings for plastic scrap reclaim and recycling.

MATERIALS: High-Stiffness PEEK for Structural Applications
Solvay's new PEEK uses proprietary additive and compounding technology that gives it 50% greater modulus/stiffness than neat PEEK.

MATERIALS: Post-Consumer Content PP Compounds For Automotive
Borealis has three new PP compounds with post-consumer recycle content to help European automotive OEMs and Tier One suppliers better support sustainability goals.

MATERIALS: Softer, Clear TPEs For Consumer Applications
Elastocon's new softer, clear TPEs are particularly well suited to medical devices and children's toys.

EXTRUSION: Flexible Corrugator For Small-Diameter Tubing
Unit can be equipped with blow molding and vacuum forming capability

EXTRUSION: Hydraulically Powered Backflush Screenchanger
Unit said to be ideal for applications involving heavy contamination.

MATERIALS: Flexible PVC Compounds For Indoor Construction With Low VOCs
Teknor's new flexible PVC compounds boast up to 90% lower emission of VOCs.

TOOLING: New Mold Components At Amerimold Show
New bar locks, wear plates, and slide retainers.

AUXILIARIES: Low-Dose Blender for Small Machines
Gravimetric blender feeds up to 572 lb/hr in doses down to 3 g per component.

INJECTION MOLDING: Hot-Runner Controller Has Folding Touchscreen
Controller for up to 48 zones has 5.7-in. screen.

Know How

MATERIALS: Performance in Polyethylene: Density Matters
In polyethylene, density provides another mechanism to control properties. But it must be specified properly.

INJECTION MOLDING: Setting Mold Protection Takes Time But Saves More
Mold protection is often neglected, but it more than pays for the time and attention required.

EXTRUSION: When Internal Screw Cooling Makes Sense
Internal screw cooling could help you solve solids-feeding and burning problems.

TOOLING: Balancing the Heat Budget In Injection Molds
Basic formulas for how much heat you must pull out of the mold to achieve a set cycle time

Starting Up

AmTopp To Boost Additive Concentrates Capacity
With an eye on meeting shorter lead times, this additive concentrates manufacturer has expansion plans underway.

Addivant Opens New Headquarters
Addivant, the one-year old company formed from the Antioxidant and UV Stabilizer business of Chemtura, Corp., Middlebury, Conn., has moved into its new headquarters in Danbury, Conn.

Solvay And e-Xstream to Speed Up Metal-To-Plastic Substitution For Car Makers
The MMI Technyl Design, an advanced simulation service for automotive OEMs jointly created by Solvay and e-Xstream, is said to accurately predict the performance of injection-molded parts, which when replacing metals, ultimately contributes to reduction of weight and part production costs.

PolyOne Expands Medical-Grade Material Offerings
A recent agreement with Biomerics has resulted in PolyOne becoming the exclusive distributor of medical-grade TPUs.

Styron To Exit Commodity PC Resin Business
Specialty PC compounds and blends in North America is Styron's new focus.

Milacron Offers New Aftermarket Service Package
Bundling online apps for spare parts, maintenance, and remote monitoring for injection and blow molding machines and extruders.

Meredian’s PHA Ready for Commercial Production
The firm has 60 million lb of capacity ready for use.

Athena Automation Expands Press Assembly & Customization Facilities
More than quadrupling floorspace to build larger and more customized machines.

Maruka Opens Florida Technical Center
Features an all-electric Toyo molding cell.

Resin Prices

Prices of Commodity & Engineering Thermoplastics Trend Flat to Lower
Prices of PP, PS drop as PE, PVC are flat or softening. Ditto for ABS, PC, and nylon 6 and 66.

Recycled Resin Prices

Recycled Resin Prices Mixed at Midyear
RPET prices are weak while R-HDPE is strong.

Column

A New Chapter Is Written In the History of Plastics Technology
Changes to our 60-year-old publication are made with you—our reader—in mind.

Market Watch

Slower Growth Ahead for Packaging
Consumer-goods spending seems poised to grow more slowly, and therefore plastics packaging will see its peak rate of growth sometime in the second half of 2014.

Processor's Business Index

Industry Growth Continues
For three months running, the processing market has grown at its fastest rate since early 2012.

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