Article Archive

March 2012




Past Issues

Keeping Up With Technology

EXTRUSION: Low-Volume Crosshead Die
Designed for micro-extrusion applications.

AUXILIARIES: Conveyor Keeps Material Dry
Hopper adapters use pure dry compressed air to convey up to 900 lb/hr

MATERIALS: High-Heat Purging Compound
Independent study confirms effectiveness of purging compound.

MATERIALS: Borealis Medical & Packaging Materials on Display at NPE
Injection molders vising the show in Orlando will have a chance to become better acquainted with application-tailored polyolefins from Borealis of Vienna, Austria.

MATERIALS: Two new PC/ABS Grades for Medical Equipment
WEB EXCLUSIVE: At the recent MD&M West show in Anaheim, Calif., Bayer MaterialScience introduced two Bayblend PC/ABS grades for medical equipment.

MATERIALS: PolyOne Adds TPV & PVC Medical Compounds
WEB EXCLUSIVE: PolyOne Corp., Cleveland, announced two extensions of its product lines for medical components at the recent MD&M West show in Anaheim, Calif.

MATERIALS: New Acetal Stars in Insulin Injector Pen
WEB EXCLUSIVE: At the MD&M West medical show in Anaheim, Calif., last month, DuPont Performance Polymers, Wilmington, Del., showed off two new applications for its Delrin acetal.

MATERIALS: New Bioplastic Compounds for Durables
WEB EXCLUSIVE: Two compounders recently launched new grades of compounds based on biopolymers or on biofiber reinforcements.

ADDITIVES: ‘Drop In’ Alternatives to Montan Wax
Aimed primarily at calendered PVC sheet for blister packaging.

Features

Custom Profile House ‘Flexes’ Processing Muscle
Specialty house avoids commodity markets and has entered the proprietary processing business with new product offering.

Secrets of Success in Micro Molding
Medical-device, electronics, and biopharmaceutical manufacturers need new micro-molded products to create tinier, less invasive, and/or space-saving micro devices.

Introduction to Cooling Water Energy Management
A reliable and consistent source of cooling is essential in plastics processing.

Materials & Additives at NPE: Performance, Processability, And Sustainability
Bioplastics take center stage.

Injection Molding at NPE: Speed, Automation & Integration Take Center Stage
Hot buttons at the show will be multi-component molding, in-mold labeling/decorating (IML/IMD), in-mold assembly, medical molding, liquid silicone rubber (LSR), micro-molding, and high-speed packaging.

Extrusion & Compounding at NPE: More Output, More Flexibility, Less Energy
There won't be many blown-film lines running, but there is still much in the way of innovation going on in extrusion and compounding.

Blow Molding at NPE: Speed, Quality & Flexibility Take Center Stage
Wheel machines in particular will be on display.

Thermoforming at NPE: Less Scrap, More Power For the Buck
Most of the developments will focus on in-line systems.

Tooling at NPE: A Hot-Runner Bonanza in Orlando
Most of the emphasis is on valve gating and on doing more in less space. Other highlights include standardized mold components, some impressive feats of moldmaking creativity, and advances in mold simulation.

Auxiliaries at NPE: New Solutions from Material Preparation To Post-Mold Operations
There will be an extraordinary range of new auxiliary equipment on display at the show.

Starting Up

NatureWorks Launches Biopolymer Alloys
Joint venture with BioAmber, called AmberWorks, will produce blends of PLA and succinic-acid based biopolymers,

Liquid Infusion of UV Stabilizer
Process involves dipping the parts in an aqueous bath for a short period

10-Layer, 10-Extruder Nano Blown Film: A Russian First
Films produced on this line are next-generation nanocomposite barrier films for food packaging.

Rebuilt Film Line Boosts Output, Quality
Refurbishing has become an increasingly attractive option for processors looking to squeeze the most from their existing equipment.

Jon Huntsman Jr. to Kick Off NPE2012
Will deliver the keynote address at the formal Opening Gala of NPE2012.

Westchester Plastics Adds Capacity
Significant expansion at its Wapakoneta, Ohio, plant.

Elmet Opens North American HQ
Produces LSR injection molds and dosing systems.

BASF Explores Nylon Composites for Cars
WEB EXCLUSIVE: At the Paris JEC Composites Show, Mar. 27-29, BASF AG (U.S. office in Wyandotte, Mich.) is planning to showcase two new application concepts for continuous-fiber nylon composites in automotive structures.

Column

Euro Crisis Hovers Over Medical Forecast
Our outlook for U.S. output of medical equipment and supplies in 2012 calls for a gain of 5%. This follows an expansion of just a little less than 5% in 2011.

Here’s More On The PT Knowledge Network
Stop by to see us in Booth 3303, West Hall

Resin Prices

PP Prices Spike; Other Prices Up, Too
Prices of commodity resins all moved up in the first quarter.

Strategies

Composites Fabricator Chooses Thermoforming for Bus Part
Amtech LLC considers itself a composite specialist and engages in thermoset resin transfer molding and vacuum-assist RTM,  plus finishing, assembly, and custom packaging from a 220,000 ft² plant in Wapato, Wash.

Know How

Working with Color Concentrates
Perhaps the greatest difficulty involving the use of color concentrates is specifying them appropriately for the material to which they are being added.

Improve Profits by Graphing Injection Pressure
Graphing is a powerful aid in optimizing the process and troubleshooting both process and machine issues.

Well, It Worked on Brand X
You need to give your designer a lot more data than that to make sure you get a screw that's right for you.

Review Mold Requirements Before Buying a Press
If you are in the market for a new blow molding press, best to first review all the different types of molds you might be running in that  machine.

Close-Up on Technology

Tightening the Screws on Precision Molding Of Thermoplastics & LSR
Fairly consistent focus of annual conference was how to get better control of the molding process.

Now You Can Measure Pellet Moisture In the Hopper, in Real Time
Take the guesswork out of drying with new technology.

CW Brabender
HammerTek
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