Featured Articles

PolyOne, Riverdale combine for liquid-colorant program

By PlasticsToday Staff
Published: May 18th, 2010

PolyOne Corp. (Cleveland, OH) and Riverdale Color Co. (Perth Amboy, NJ) are joining forces to change how processors receive and use liquid colorants. Combining proprietary technology with state-of-the-art liquid colorants and refillable containers, the companies describe the OnColor Complete Liquid Color as a first-of-its-kind, closed-loop system that will help converters and OEMs reduce costs, eliminate waste, and improve safety.

TPE North American resin pricing, May 10-14: PE, PP spot prices drop $0.02/lb; May PP contracts could cut $0.12/lb

By PlasticsToday Staff
Published: May 18th, 2010

Overview: After a brief reprieve the week prior, spot resin prices once again began falling last week, with average prices about $0.02/lb lower and a wide range seen. The spot monomer markets were relatively quiet with few transactions completed, according to Michael Greenberg, CEO of the plastic spot-trading platform, The Plastics Exchange (TPE). Deals that were consummated were finalized within the recent trading range, and lower U.S. prices have boosted resin export activity.

ExxonMobil Chemical discusses potential for Vistamaxx in films

By MPW Staff
Published: May 17th, 2010

ExxonMobil Chemical (Houston) has launched a four-grade suite of its Vistamaxx propylene-based elastomers for use in films, saying the material has a positive impact on everything from package seal integrity to line speeds. Carol Fitzpatrick, global development manager for Vistamaxx in films, said the material is helping processors react to a changing market, noting that equipment manufacturers are increasingly offering higher-speed packaging equipment, with some systems capable of rates as high as 80 m/minute.

Eastman to decide PET unit’s fate this year, mulls additional Tritan sites

By Tony Deligio
Published: May 17th, 2010

Continuing difficulties in the polyethylene terephthalate (PET) market and the rapid rise of its next-generation copolyester have prompted chemical and plastics manufacturer Eastman Chemical Co. (Kingsport, TN) to reassess its portfolio, with the previously announced strategic review of its PET unit to be concluded this summer.

In goes an injection molding machine, out comes an injection blowmolding unit

By Matt Defosse
Published: May 17th, 2010

Three years ago we reported on the early efforts of a Cyprian plastics expert to alter a standard injection molding machine (clamp force from 200-550 tons) so that it could be used as a single-stage stretch blowmolding unit suitable for small-to-medium volume PET bottle and jar production. Costas Sideris, the developer and patent holder, now tells us that commercial models are right around the corner.

Pipe extrusion: Asian pipe processors to benefit from new random copolymer PP

By MPW Staff
Published: May 17th, 2010

Pipe processors in Asia now have a new choice when it comes to specifying materials for hot and cold water pipe applications. Marketed by PolyMirae Company Ltd, a joint venture between polyolefins supplier LyondellBasell Industries and Korean polypropylene (PP) supplier Daelim, the new grade, Hostalen PP H5416K, is a random copolymer (PP-R) intended for use in hot and cold water pipe applications.

New robot options for material handling, palletizing

By IMM Staff
Published: May 17th, 2010

A high-speed, shelf-mounted robot for material handling provides flexibility and superior performance in high-payload material handling applications, while a four-axis palletizing robot has fast axial speeds and acceleration, which reduces cycle times and increases production output.

Eastman opens expanded Tritan plant, copolyester’s rapid rise continues

By Tony Deligio
Published: May 14th, 2010

Only six years removed from its decision to pursue an abandoned monomer as the key to the high-heat material it had sought at different intervals for decades, Eastman Chemical Co. (Kingsport, TN) marked another important milestone in the whirlwind development of its Tritan copolyester material, with the May 13 opening of a dedicated Tritan production plant at its Tennessee headquarters.

Injection molding: Taking work in-house cuts reject rate to near zero

By MPW Staff
Published: May 14th, 2010

By moving silicone seal overmolding in-house, this injection molder was able to reduce its logistics effort and increase the yield of good parts it produces. Now it requires less effort to make more good parts—in this case, milk foaming nozzles for coffee machines.

Oil-based dielectric fluid system features in new WEMD units

By Clare Goldsberry
Published: May 14th, 2010

Makino, a global supplier of advanced CNC machining centers and high-precision metal-cutting and EDM machinery, introduced the release of the UPV-3 and UPV-5 Ultra-high Precision WEDM, which are designed with an oil-based dielectric fluid system for high-accuracy machining of hardened materials and mirror-like surface finishing capabilities.

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