July 2005

Close-Up on Technology

Novel Processing Aids Ease Flow Of a Wide Range of Plastics
A new family of processing-aid masterbatches is said to enhance the processability of a wider range of plastics than is possible with other additives.

Now It's Here: An Objective Test of Masterbatch Dispersion
There's a new grading system for color concentrates and additive masterbatches.

TPUs Get Softer, Slicker, Lighter
BASF Corp., Wyandotte, Mich., has launched a new range of thermoplastic poly urethanes that push the performance envelope in several directions.

Processor's Edge

On the Cutting Edge of Multi-Shot Molding
Easley Custom Plastics (ECP) Inc. doesn't want to be just your average small to medium-sized custom molder.


Additives for Polyolefins: Newest Advances Add Ruggedness, Good Looks & Easier Processing
At a recent conference, suppliers revealed novel coupling agents for wood composites and nanocomposites, unusual nucleator masterbatches for OPP and thermoformed containers, and enhanced heat and light stabilizers, flame retardants, and processing aids.

'Corrugator Vacuum Forming'
Molding separate hollow parts on a pipe corrugator is a home-grown technique used by a small number of processors. They discovered it offers higher outputs and numerous other advantages over blow molding for making tube-shaped, precision medical, automotive, and appliance parts. But the process has not yet realized what could be its greatest potential in closed-end parts like bottles.

What's Next: In-Mold Everything
The days are long past when an injection mold was a passive receptacle for melted plastic.

CW Brabender
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