Article Archive

Close-Up on Technology

New Process Makes More Homogeneous PP Homopolymers & Copolymers
 New styles of resin reactors don’t come along very often.

Portable CMM Helps Thermoformer Hold Tight Tolerances in Large Parts
Thermoform Plastics Inc. (TPI) in St Paul, Minn., believes it has found a better way to guarantee dimensional accuracy in large parts with complex shapes.

Now Molders Make Their Own GMT Sheet
The latest sign of an upsurge of interest in direct long-fiber compounding by molders of reinforced thermoplastics is a technology that allows molders to produce their own glass-mat thermoplastic (GMT) composite sheet.

Another Supplier Develops Its Own Portfolio Of Metallocene PE & PP
 In the past two years, a new player has quietly emerged among North American suppliers of metallocene-catalyzed polyolefins.

SRIM: Material, Machine & Process Innovations Give Birth to SRIM Truck Box
 Automotive use of high-density structural RIM (HD-SRIM) technology has progressed from its beginnings in bumper beams to full-size pickup-truck boxes and tailgates.

Features

Stack Molds Take on New Tasks
Conventional stack-mold designs are well known for their ability to outrace the productivity of conventional single-face molds.

Renewable PLA Polymer Gets 'Green Light' For Packaging Uses
 Polylactic acid, first synthesized a half-century ago, has finally arrived as an alternative to PET, HIPS, PVC, and cellulosics in some high-clarity packaging roles.

Accident Prone
To a government safety inspector looking for hazardous workplaces, plastics plants stick out like a sore thumb.

Strategies

Fulfilling a Dream of Moldable Wood
 It smells like wood, looks like wood, and has the same mechanical and chemical properties as wood.

Troubleshooter

What's Causing Your Gels?
 Gels are a common quality problem in extrusion of clear film and tubing less than 0.005 in. thick.

Starting Up

Your Business in Brief - March 2002
ExxonMobil Is Set to Buy All of AESExxonMobil Chemical, Houston, plans to become the sole owner of Advanced Elastomer Systems (AES) in Akron, Ohio, by acquiring Solutia's 50% share in the joint venture.

Your Business Outlook - March 2002
 Mastio & Company's latest blow molding market study forecasts continued strong growth for consumer packaging.

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