Jan H. Schut

New Process Makes More Homogeneous PP Homopolymers & Copolymers

 New styles of resin reactors don’t come along very often.

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Film Extrusion

Foamed Films Find New Niches

Thin polyolefin foams have been made for decades for decorative ribbons, wire wrap, and sleeve-type labels.

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Film Extrusion

Stretching Film's Limits

In the hyper-competitive stretch-film market, more layers often mean more market share. Moving from five layers to seven or nine can give an edge through higher performance or reduced cost.

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Biopolymers

Purified Cellulose Fibers Show Promise In Reinforced Thermoplastics

Purified cellulose fibers could be the next lightweight reinforcements for thermoplastics.

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NPE Newsfinder: Materials & Parts Handling

From pneumatic systems that deliver materials to the processing machine to conveyors and handling devices that pull parts out the back, the trend appears to be “smaller and smarter.” NPE 2000 will show lots of downsized auxiliaries designed for mini processing machines, as well as more compact equipment of every size that frees up floor space.

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Biopolymers

NPE 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.

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Additives

NPE 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.

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Postindustrial

From NPE 2000: Recycling & Scrap Reclaim

Recycled Resin Prices Flatten OutNew systems to process mixed plastic waste and to upgrade it with fiberglass or wood flour were prominent at last June’s show in Chicago.

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dies

NPE 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.

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Micromolding

Injection Molding Close-Up

The latest development in the D-I-M technology is a vertical press with vertical injector, measuring around 5 x 2.7 x 8.8 ft high (with mold open). It allows plenty of room for automation, so it can be integrated into assembly lines, Ettlinger says.

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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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Biopolymers

Family Lumber Business Turns To Plastics

Five years ago, Quality Wood Treating in Prairie Du Chien, Wis., was a 30-year-old family lumber ´óÏó´«Ã½ and one of the largest wood pressure-treaters in the country.

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Process Cooling
Blending & Dosing
Plastics Size Reduction