Compounding
White Mineral Oil A New Way to Lubricate Rigid PVC
Processors of rigid PVC pipe, window profiles, siding, fencing, and doors can save money and speed compound mixing by using a new grade of white mineral oil as an external lubricant in place of the usual paraffin wax.
Read MorePurified Cellulose Fibers Show Promise In Reinforced Thermoplastics
Purified cellulose fibers could be the next lightweight reinforcements for thermoplastics.
Read MoreNPE 2000 News Wrap-Up: Compounding
Compounding news at NPE included a wealth of new batch and continuous machines to mix in high loadings of wood flour, glass fiber, carbon black, and more exotic fillers.
Read MoreNPE 2000 News Wrap-Up: Extrusion
At this year’s NPE, new processes to put wood flour into plastic were virtually everywhere—several even start with undried flour.
Read MoreNPE Newsfinder: Compounding and 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 MoreNPE Newsfinder: Extrusion
NPE will show higher outputs of practically everything, as advances in grooved feeds, servo drives, screw torque, mixing screws, dies, and downstream cooling, cutting, and handling make everything run faster.
Read MoreWood Tubes Close-Up
Hollow tubing with a high loading of wood fiber is one of the newest products—and one of the trickiest—in the booming business of wood-filled thermoplastic extrusion.
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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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Weather Testing: Why You Need It More Than Ever
If you think your product doesn't warrant weather testing, you could be in for a rude surprise. Any time you change a material formulation or use it in a new application you run the risk of uv-induced failure.
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Composites Show Introduces Reinforcements, Fillers and Additives
Pultrusion, filament winding, SMC, BMC, polymer concrete, and advanced composites are targets for new reinforcing fibers, fabrics, fillers, and other additives introduced at the recent Composites 2003 Show in Anaheim, Calif.
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