Additives

Additives

Chasing Nanocomposites

Nano-sized particles have mega-potential in plastics because just a pinch does so much more than heavy loadings of other additives. Three recent conferences presented almost 200 papers on the feverish pace of ‘nano’ R&D on boosting plastics’ mechanical and barrier properties, flame retardancy, and electrical conductivity.

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Postconsumer

From Paper-Mill Sludge to Plastic Decking

Kadant Composites’ self-appointed mission for the past eight years has been to find commercial uses for paper sludge, a soggy mix of short cellulose fibers, calcium carbonate, and clay that is the copious byproduct of paper recycling.

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Additives

'Cleaner,' More Efficient Additives for Flexible and Rigid PVC

New vinyl additives designed to be more environmentally friendly while offering improved performance are available from Crompton Corp., Middlebury, Conn.

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Additives

Loads of New Additives and Colorants to Debut at K 2004

Several categories of new polymer additives will be unveiled at this year’s largest plastics show—K 2004 in Dusseldorf, Germany, next month.

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nanocomposites

'Super-TPVs': The New Challenge to Rubber

Recent commercialization of a cluster of novel thermoplastic vulcanizate (TPV) families is promising to boost demand for thermoplastic elastomers in new and challenging industrial and consumer product segments.

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Biopolymers

Wood-Filled Plastics: They Need the Right Additives for Strength, Good Looks, and Long Life

Wood-plastic composites, or WPCs, are already a 1.3-billion-lb market and are growing at 20% annually.

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sustainability

Solving Gravimetric Blender Problems

Gravimetric blenders offer plastics processors considerable savings.

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Multiscrew

Recycled PET/PE Alloys Show Promise In Monofilament, Pallets, Pipe

Alloys of polyethylene and recycled PET were the highlight of the annual SPE Global Plastics Environmental Conference (GPEC) in Detroit in February.

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nanocomposites

New Clarifiers & Nucleators: They Make Polypropylene Run Clearer and Faster

New packaging opportunities are opening up for PP, thanks to a new crop of additives that boost clarity, stiffness, HDT, and processing rates.

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Blending & Dosing