Single-Screw Compounding
What to See at NPE 2006: Compounding and Mixing
Throughput capacities are going up for compounding equipment of all types.
Read MoreBuss Leaves Coperion
Compounding extruder supplier Buss AG in Pratteln, Switzerland, has been purchased from the German Coperion Group by Swiss investor Fabrel Lotos and Buss management.
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Small Is Beautiful
Chris Kasmer, operations manager and co-founder of LTL Color Compounders Inc. in Morrisville, Pa., likes to point to a single green plastic button on the keyboard of his computer when he describes what LTL does: “We color that.” LTL stands for “less than truckload,” and his firm lives up to its name: An entire production run of a particular color may be no more than 50 lb.
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'Chaotic Advection' Creates New Polymer Blend Morphologies
A continuous blending device called the SmartBlender is creating polymer blends with novel properties by folding the two melts together, rather than distributing one evenly throughout the other.
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Compounding (K 2001 Preview)
Compounding equipment at K presents not so much new technology as new modifications or combinations of equipment to improve output and conserve space.
Read MoreCompounding & Mixing
For the second straight NPE show, the focus in compounding is on twin-screw machines that deliver more speed and torque—thus more output—than ever before. No fewer than six suppliers of twin-screw compounders are showing such machines. There’s something to see in in-line systems as well. And there’s plenty of news in PVC mixers and pelletizing equipment, too.
Read MoreSingle-Screw Compounding Is Learning New Tricks
While twin-screws get most of the glory, a quiet revolution has been taking place in single-screw compounding. In the past six to 12 months, some half-dozen new dispersive mixing elements have gone into commercial production, and more are on the way.
Read MoreExtrusion Close-Up
Easier-to-use software is making computer flow simulation more popular for designing dies for sheet, profiles, and film. Even the apparently simple case of a "spaghetti" die for pelletizing shows how flow simulation can be an essential tool for diagnosing and solving difficult processing problems.
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