Multiscrew

nanocomposites

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.

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Multiscrew

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.

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Testing

Now It's Here: An Objective Test of Masterbatch Dispersion

There's a new grading system for color concentrates and additive masterbatches.

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Additives

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.

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Postconsumer

Used Car Windshields Are Reborn As Carpet Backing

Two years ago, the Kaiser Permanente hospital chain challenged its two institutional carpet suppliers to come up with a carpet containing no PVC.

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Multiscrew

Organic PVC Stabilizers Move from Europe to U.S.

A line of organic PVC heat stabilizers designed to replace heavy-metal stabilizers in environmentally sensitive European markets is now gaining a foothold in North America.

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Testing

New Sources of Help in Coloring Plastics

Two new color services for small to medium-sized firms that lack in-house color-matching and formulating expertise were announced at K 2004.

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Additives

K 2004 Wrap-Up on Additives: Problem-Solving Additives Tackle New and Old Challenges

The latest K show was rich in additives that can ease processing and end-use problems of thermoplastics and thermosets.

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Multiscrew

Colorant Makers Expand Services to Speed Customers' Product Development

Independent color-concentrate producers have been expanding the range of services they offer beyond simple color matching.

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Multiscrew

K 2004 Wrap-Up on Compounding: Quick Changes and Hybrids Add Versatility

New compounding technologies displayed at K 2004 included some unusual ways to broaden the range of products a twin-screw compounder can make.

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Blending & Dosing
Process Cooling