Article Archive

Close-Up on Technology

Extruder Upgrades Pay Off Big for Sheet Processor
A $65,000 upgraded paid for itself in less than a month.

New Approach to Micro Molding to Debut at K Show This Month
It has clamping and injection systems unlike any other machine on the market.

Features

Pull Yourself to More Accurate, Repeatable Medical Tubing
The puller is the heart of the tubing extrusion process. While material throughput rate is generated by the extruder, and the tubing is initially formed in the die, it’s the puller that develops the ID/OD and wall thickness.

Improve the Performance Of Your Gravimetric Feeder
Start with seeing how well the material feeds 'volumetrically.' But there are a host of other considerations as well.

‘ECO-ECONOMICS ’: Harbec Plastics Proves It Pays to Be ‘Green’
Bechtold has spent 15 years in an ongoing quest to prove that manufacturing in a sustainable manner is not opposed to profitability. On the contrary, he says his experience shows that sustainability is an economic opportunity that manufacturers can’t afford to miss.

Optimize Cooling Water Supply To Reduce Distribution Costs
Reducing distribution costs for cooling and chilled water is often one of the easiest and quickest methods of reducing energy use in water cooling, yet most plants have never investigated this area.

Strategies

Medical Molder Expands into Full-Service Product Development
In July, Mack Molding acquired Synectic Engineering, Inc., Milford, Conn., a company focused 100% on medical product development.

Keeping Up With Technology

INJECTION MOLDING: New Barrel Heating System & Barrel Alloy
Nordson Xaloy, New Castle, Pa., will introduce two new products at K 2013 in Düsseldorf this month.

INJECTION MOLDING: New Hot Runners & Auxiliary Injectors at K Show
Mold-Masters, Georgetown, Ont., will display new models in two product lines at K 2013 in Düsseldorf this month.

EXTRUSION: Versatile Counter-Rotating Twin-Screw
At this month’s K 2013 show in Düsseldorf, Milacron will display the TP75, a counter-rotating twin-screw extruder suitable for profile, pipe, and wood-plastic composites.

EXTRUSION: Rotary Knife Cutter Loaded with Standard Features
The Bessemer Series of servo-driven rotary-knife cutters for pipe and profiles from Novatec Inc. offers standard features that are normally options on competing units, yet at prices comparable to bare-bones cutters.

EXTRUSION: Hybrid Screen Changer Is Even Safer Now
At this month’s K 2013 Show in Düsseldorf, Parkinson Technologies, Woonsocket, R.I., will debut an enhanced version of the KCH Continuous Hybrid Screen Changer.

COMPOUNDING: Higher-Torque Twin-Screw
The TEX 44 Alpha III corotating twin-screw extruder from JSW will debut at next month’s K 2013 Show in Düsseldorf.

BLOW MOLDING: Another New All-Electric Machine To Debut at K 2013
Techne Graham Packaging Co. Italia Srl in Italy will show its latest all-electric extrusion blow molder at K 2013 in Dusseldorf.

TOOLING: New Mold Components & Faster Online Ordering
DME Co. has introduced new mold components and upgraded its web service.

AUXILIARIES: Small-Frame Continuous Blender
The X2D6 is a new continuous blender from Process Control Corp. that handles throughputs up to 660 lb/hr.

AUXILIARIES: Portable Air-Cooled Circulator for Molds
New Hydra air-cooled circulator from IMS can both heat and cool molds without external water, sewer, and cooling tower costs.

MATERIALS: Novel Nylons to Debut at K Show
New and innovative nylons will be launched at K 2013 in Düsseldorf this month by both the Radici Group of Italy (U.S. office in Wadsworth, Ohio) and TeknorApex Co., Pawtucket, R.I.

MATERIALS: Purging Agent in New Packaging for Medical Clean Rooms
A new packaging option for Ultra Purge purging agent was developed specifically for clean-room production of medical parts.

ADDITIVES: Novel Non-Phthalate G-P PVC Plasticizer
Perstorp of Sweden (U.S. office in Toledo, Ohio) will launch at the K 2013 show this month a general-purpose, non-phthalate polyester plasticizer called Pevalen.

ADDITIVES: Extrusion Process Aids for Nylon and EVOH
Two processing aids for use in nylon and EVOH barrier layers in extruded packaging will be introduced this month at the K 2013 show by Germany’s Lehmann & Voss & Co. (U.S. office in Pawcatuck, Conn.).

MATERIALS: Halogen-Free, Low-Smoke, FR-TPE for Flexible Cords & Appliance Wire
New low-smoke, flame-retardant TPE compound for wire insulation and jacketing does not contain phthalates or halogen additives.

MATERIALS: PC Sheet Products Tailored for Passenger Railcars
Bayer MaterialScience has introduced new PC sheet products to meet performance and cost challenges for passenger railcars.

MATERIALS: PE/PS Expandable Bead for Packaging Does Not Require Refrigeration
Nova Chemicals has added Arcel ULV to its line of PE/PS expandable beads.

MATERIALS: Halogen-Free TPU for Wire & Cable
Huntsman Polyurethanes is highlighting a new TPU for wire and cable at K 2013 this month.

MATERIALS: Higher-Performance LLDPE for Rotomolding
LyondellBasell has new LLDPE resins that give faster curing rates, smoother surfaces, and better color.

MATERIALS: Extrudable Polyether TPUs in Broad Hardness Range
Alliance Polymers and Services (APS) has launched 7000 Series Zythane polyether TPUs for tubing, cable jacketing, profiles, film, and sheet.

Know How

Melt Flow Rate Testing—Part 3
There is a well-established relationship between something called the weight-average molecular weight of a polymer and a parameter known as the zero-shear viscosity.

Don’t Forget the Cold Slug Well
Its primary function—as the name suggests—is to act as a trap, or “well,” for the cold slug.

‘General Purpose’ = No Purpose
Such screws have no value in extrusion operations.

Starting Up

Uniloy Milacron Opens Blow Molding Lab, Unifies Global Market Strategy
Uniloy Milacron, Tecumseh, Mich., has launched two new initiatives.

Anti-Stat Coater Integrated in Pull-Roll Frame
Sheet systems supplier Processing Technologies International (PTi), Aurora, Ill., has developed a new, patented system that integrates an anti-static coater into the frame of the pull-roll unit of its G Series roll stand.

K-Tron Adopts Coperion Name
Effective this month, K-Tron, Pitman, N.J., a global supplier of feeding, dosing, and pneumatic conveying equipment and systems, will operate under the brand name Coperion K-Tron.

Reclaim System Pays Off for Foam Film Processor
A recent move to reclaim in-house production scrap paid off in six months for one processor of foamed film.

Continuous-Glass/Thermoplastic Wins Award in Composite Pressure Pipe
Celstran continuous-fiber reinforced thermoplastic composite (CFR-TP) from Ticona, Florence, Ky., is used in the new Fiberflex-11 pressure pipe from Composite Fluid Transfer of Kilgore, Texas.

FKuR Distributes Braskem’s ‘Green’ PE in U.S. & Canada
Germany’s FKuR Plastics Corp. (U.S. office in Cedar Park, Texas), a compounder of bioplastics for flexible packaging, is now a distributor in the U.S. and Canada of biobased polyethylene from Brazil’s Braskem

Ineos & Sasol Joint Venture for U.S. HDPE Plant
Ineos Olefins & Polymers, Houston, and South African-based energy and chemical company Sasol are forming a joint venture for a world-scale HDPE plant.

Transparent PC Used in Fully-Integrated LED Light Engine
A medium-viscosity, easy releasing grade of Makrolon PC from Bayer MaterialScience, Pittsburgh, is used for the lens of a new LED light engine for lighting fixtures.

Resin Prices

Prices Flat or Slightly Lower
Prices of PE, PP, PS, and PVC remained steady through last month, although price initiatives were on the table for all but PP.

Recycled Resin Prices

RPET Prices Stable
Recycled PET prices are perhaps a penny above where they were in June and seem to be going nowhere.

Column

Mark Your Calendar for First-Ever Global Plastics Summit
Event brings together every link of the supply chain to address the opportunities and challenges of 'coming renaissance' in North American plastics.

Plastics Processing Contracts
But future capital spending plans were about 15% above the historical average in August.

Electronics Gradually Improving
Pent-up demand U.S. consumers have will eventually make its way to electronics.

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