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Compounders, molders, and extruders will find new answers to virtually all their additive needs at NPE 2003.
Colorants were the most numerous class of additives making news at the huge triennial plastics exhibition last month in Chicago. Some of the new colorants were aimed at specialized applications, from natural-fiber composites to laser marking, while others were for aesthetic special effects, such as color shifts and diamond-like sparkle.
Plastics are going “green,” but they will need some help to get there. Biodegradable polymers derived from renewable resources are attracting lots of interest and publicity, but that enthusiasm is counterbalanced by persistent questions of availability, cost, performance, and processability. All these issues are inter-related: Increasing demand will lead to more capacity, which will presumably lead to lower prices. But the foundation is market demand, which ultimately depends on whether biopolymers will have the performance properties and processability to compete with existing non-renewable plastics.
A new endothermic/exothermic blended foaming agent is said to work in extrusion and injection of a variety of polymers, including PE, PS, PVC, and both thermoset and thermoplastic elastomers.
A new universal masterbatch of an endothermic chemical nucleating and blowing agent is designed for foam injection molding and extrusion.
Foamed food trays made of polylactic acid (PLA) resin, the corn-based biopolymer, have a commercial toehold in Europe and are undergoing market tests here.
The world’s largest plastics show next month in Dusseldorf will highlight an unusual mix of new polymer additives, including some based on novel chemistries that reportedly set new levels of performance.
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.
Compounders, molders, and extruders will be treated to a wide range of new additives at NPE 2006.
Wood-plastic composites, or WPCs, are already a 1.3-billion-lb market and are growing at 20% annually.
Molders, extruders, and compounders found a host of new additives, including colorants, compatibilizers, impact modifiers, foaming agents, and processing aids.