Article Archive

Close-Up on Technology

Open House Highlights New Machines & Processes For Macro to Micro Parts
In late April, Wittmann Battenfeld GmbH hosted around 1100 visitors at its headquarters plant in Kottingbrunn, Austria, for a comprehensive demonstration of its latest injection molding technologies.

Features

Sustainable Medical Molding: For Nypro, It’s Good Business
“Why worry about sustainability?” asks Ed Cathey, controller of Nypro’s Mebane, N.C., injection molding plant.

BD’s Holistic Approach To Sustainability
For medical device giant Becton Dickinson, sustainability takes into account material selection, manufacturing, packaging, logistics, waste reduction, energy use and reduction, and more.

Measuring the Magic Of Turbulent-Flow Mold Cooling
For decades molding experts have talked about the importance of achieving turbulent flow in mold-cooling circuits. But what is it about turbulence that makes it so important? What can be measured and demonstrated to have some tangible value to molders? Several months ago, the author’s firm began looking for answers.

Strategies

‘Value-Added’ Molder Adds 3D Printing
Wisconsin molder's recent decision to bring water-transfer printing in-house makes it one of the few processors to offer this decorating technology as part of its full-service offering.

Keeping Up With Technology

AUXILIARIES: Easy-Cleaning Blender And Beefed-Up Mold TCU
At its Competence Days open house in Austria in April, Wittmann Battenfeld GmbH (U.S. office in Torrington, Conn.) unveiled two new auxiliaries for plastics processing.

AUXILIARIES: Upgraded Web Portal Streamlines Color Design & Development
Color and additive masterbatch compounder PCC (Plastics Color Corp.), Calumet, Ill., has launched the second generation of “Isaac,” its web portal and standalone software that helps customers drastically reduce time to market by streamlining the color design and development process.

EXTRUSION: Coating Die Is More Robust & Flexible
Nordson EDI, Chippewa Falls, Wis., has completely re-engineered its EPC edge-bead-reducing extrusion coating die, yielding a more robust system that is even easier to operate and cuts back substantially on downtime for width changes and cleaning, the company says.As in the past, the newest EPC die includes an external deckle as a secondary seal to prevent leakage and an internal deckle system that sets coat width and seals polymer at the die exit.

EXTRUSION: Small Extruders for Medical Tubing
Designed for medical tubing, the Modular Micro Extruder from American Kuhne, Ashaway, R.I.,provides the versatility to quickly and easily change barrel and screw diameters and feed-section configurations.

MATERIALS: Custom-Formulated Nylons with Recycled Content
WEB EXCLUSIVE: The new Recyclon family of nylon compounds from Teknor Apex Co., Pawtucket, R.I., is offered with varying percentages of recycled polymer to meet individual customer requirements.

MATERIALS: Adhesive Tie-Layer Resins with Over 95% Renewable Content
WEB EXCLUSIVE: Two new grades of Polybond functionalized polymers used as tie layers in multilayer thermoplastics applications such as pipe have been launched by Addivant, Middlebury, Conn., a new company formed from the Antioxidant and UV Stabilizer Solutions business of Chemtura Corp.

MATERIALS: Recycle-Content EPS for Protective Packaging
WEB EXCLUSIVE: The newest EPS resin from Nova Chemicals, Monaca, Pa., is a shape/packaging grade, R625B, with 25% recycled content.

MATERIALS: Transparent Nylon for Home Healthcare Applications
WEB EXCLUSIVE: A new high-performance, fully transparent nylon 11 from Arkema Inc., Philadelphia, is designed for breathing masks, tubing, and other medical-device components worn for continuous periods.

MATERIALS: Halogen-Free TPVs for Power Cords/Cables
WEB EXCLUSIVE: A new line of halogen-free flame-retardant TPVs for consumer and industrial electronic power cords and auxiliary cables is available from Alliance Polymer and Services, LLC, Romulus, Mich.

MATERIALS: Magnetically Detectable Compounds for Food-Processing Equipment
WEB EXCLUSIVE: Lehvoss North America, a new subsidiary of Lehmann & Voss & Co. of Germany, has introduced Luvocom Detectables, magnetic thermoplastic compounds for food-processing machine components.

Know How

What's Different About Molding Engineering Plastics
If you try to run them like commodity materials such as PP you'll have problems.

What About Melt Strength?
All extrusion processes depend to some degree on the melt strength of the polymer, and this property is generally a no-show on data sheets.

Starting Up

Conair & Rapid Parent Buys Thermal Care
IPEG, Inc., Cranberry Township, Pa., has acquired Thermal Care Inc., a major manufacturer of mold-temperature controllers, chillers, cooling towers, and pump tanks.

New Economical Pathway to Bio-PET
Micromidas, Inc. of W.

Novel Permanent UV Absorber for Plastics
What appears to be a breakthrough in UV stabilization technology for thin films and clear molded parts has been developed jointly by Joe Webster, a well-known expert in plastics additives and president of consulting firm Stabilization Technologies LLC, Charlotte, N.C.; and The SEFA Group of Lexington, S.C., a leader in recycled minerals, primarily for concrete used in construction.

Addivant: New Identity for Leader in Additives
A new corporate identity with a focus on polymer additives emerged last month when the antioxidant and UV stabilizer business of Chemtura Corp., Middlebury, Conn., was acquired by SK Capital, a New York-based private equity firm focusing on specialty materials, chemicals, and healthcare.

Wittmann Battenfeld USA Expands, Adds Injection Machinery Manager
Last month, Wittmann Battenfeld USA finalized plans for a $2.4-million, 20,000-ft2 expansion at its Torrington, Conn., headquarters.

Evonik Resumes Full Production of Nylon 12
Germany’s Evonik Industries (in the U.S., Evonik Degussa Corp., Parsippany, N.J.) has resumed full operation of its reconstructed CDT (cyclododecatriene) feedstock plant at the Marl site, less than a year after it was destroyed by fire and explosion.

Laser-Markable ABS in Innovative Cable-Tie Tool
WEB EXCLUSIVE: A laser-markable, glass-reinforced ABS was customized to meet tensile strength and printability requirements of an innovative cable-tie tool from HellermannTyton, Milwaukee.

Copolyester Debuts in Luxury Drinkware Collections
WEB EXCLUSIVE: Tritan proprietary copolyester from Eastman Chemical Co., Kingsport, Tenn., is used in new luxury drinkware/tableware  collections by both BarLuxe, Lenexa, Kansas and Taiwan’s Tzeng Shyng.

Resin Prices

PP, PS Prices Drop; Others Soften
Polypropylene prices have dropped significantly and may have hit bottom, while PE prices flattened out and face downward pressure from increased supplier inventories, lower feedstock prices, and soft demand.

PET Bottle Resin Prices Drop 7¢/Lb
WEB EXCLUSIVE: Prices of PET bottle grades have dropped an average of 7¢ since March, which puts them 8¢ below last year’s average prices.

Column

Handy Tool Can Make You A ‘Plastics Champion’
Use it, as it can help you make the case for plastics to the skeptics we all know.

Contraction After Q1 Growth
Decline in the index driven by diverging performance among plants of different sizes.

Mixed Outlook for Construction
When the U.S. economy is functioning at its best, a vibrant construction sector generates a lot of jobs and consumes lots of materials.

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HammerTek
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