Article Archive

Close-Up on Technology

Dye Sublimation Printing: Durable Color Decoration for 3D Parts
Dye sublimation, a dye-transfer process that got its start in the 1960s for use in textiles, has advanced in recent years to provide wear-resistant, full-color surface decoration of flat objects like mouse pads and tiles.

Novel Rheometer Tells More About Thermoplastic Processing Behavior
A unique type of oscillating-die rheometer, first unveiled in 1999 for analyzing thermosets and composites, has now been upgraded for testing polyolefins and other thermoplastics.

Features

Water Injection Molding: It's All Coming Together
Commercial applications in hollow-part molding with water—or water and gas—are starting to accelerate. They are driven by recent enhancements of process technology, equipment, and materials.

Wood-Plastic Composites: Weathering Quality Issues
Exterior wood-fiber composites like decks and rails haven't lived up to some of the early claims of long, maintenance-free life.

Manufacturing Will Pick Up in the Second Half
With a few exceptions, activity levels for most U.S. manufacturing sectors hit a "soft patch" in the first half of this year.

Resin Prices: How Big a Bite?
Everybody complains about high resin prices.

Strategies

A Plant Designed by Efficiency Experts
Hi-Tech Profiles Inc. in Pawcatuck, Conn., extrudes stock and custom medical and industrial profiles out of engineering resins that cost from $3 up to $35/lb.

Troubleshooter

Graphical Analysis Helps Find and Fix Ultrasonic Welding Problems
Ultrasonic plastic welding uses acoustics (mechanical sound waves) to create frictional heat, producing a molecular bond between plastic materials.

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