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Multiscrew 1 Jul 2006

NPE 2006 News Wrap-Up: Chemicals and Additives

There were new additives for every need at NPE 2006: Make your plastics prettier with new colorants. Make them stronger with new fillers and reinforcements. Make them lighter with foaming agents. Or just make them go away with improved purging agents and biodegradable masterbatches.

Postprocessing 1 Jun 2006

What to See at NPE 2006: Decorating, Printing and Finishing

While there is plenty of news at NPE this year in pad, screen, dry-offset, flexo, and inkjet printing, as well as laser marking, hot stamping, heat-transfer decorating, and some less familiar technologies—the real star of the show is summed up in two words: “in-mold.” Responding to excitement in automotive, appliance, and electronics industries, at least 19 companies are showing materials or equipment for in-mold film-insert decorating or labeling (IMD, IML) for injection molding and thermoforming.

Additives 1 Jun 2006

What to See at NPE 2006: Chemicals and Additives

Compounders, molders, and extruders will be treated to a wide range of new additives at NPE 2006.

1 Mar 2006

Polyurethane Composites: New Alternative to Polyester and Vinyl Ester

High toughness, fast cure, and no styrene fumes are taking urethane composites beyond SRIM into pultrusion, filament winding, vacuum infusion, and spray-up.

1 Feb 2006

PUR RIM vs. Wood in Building Products

After nearly a decade of testing, roofing shakes of RIM polyurethane microcellular rigid foam are making a commercial push to compete with traditional cedar shakes.

Additives 1 Jan 2006

Nanoscale Additive Blends Both Compatibilize and Toughen

A new family of acrylic block copolymers is said to be easily mixed into nanoscale dispersions with various thermoplastics, thermosets, and elastomers—and to be miscible with those matrix polymers.

1 Nov 2005

New Version of RIM for Electronics Encapsulation

A new, patented technology that is an offshoot of RIM has been developed by CardXX of Englewood, Colo., to encapsulate electronics into “smart cards.” It is now available for license.

nanocomposites 1 Nov 2005

High-Melt-Strength PP Makes Softer, Lighter Foams

A new high-melt-strength (HMS) polypropylene is said to be especially suited to foam extrusion because it makes much softer foams than other HMS-PP grades.

Postprocessing 1 Sep 2005

Dye Sublimation Printing: Durable Color Decoration for 3D Parts

Dye sublimation, a dye-transfer process that got its start in the 1960s for use in textiles, has advanced in recent years to provide wear-resistant, full-color surface decoration of flat objects like mouse pads and tiles.

Testing 1 Sep 2005

Novel Rheometer Tells More About Thermoplastic Processing Behavior

A unique type of oscillating-die rheometer, first unveiled in 1999 for analyzing thermosets and composites, has now been upgraded for testing polyolefins and other thermoplastics.

Multiscrew 1 Jul 2005

Additives for Polyolefins: Newest Advances Add Ruggedness, Good Looks & Easier Processing

At a recent conference, suppliers revealed novel coupling agents for wood composites and nanocomposites, unusual nucleator masterbatches for OPP and thermoformed containers, and enhanced heat and light stabilizers, flame retardants, and processing aids.

Resin Conveying 1 May 2005

Resin Dryers: Which Type Is Right for You?

Processors today face bewildering choices of at least five basic types of dryers, whose capabilities are subject to conflicting claims from equipment suppliers. For the buyer, the most basic questions are: How much drying is needed for the job and which dryer types are up to the task?