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Plastics Engineering

tailoring plastics to enhance performance, cost-effectiveness, and appearance

Additives annual: tailoring plastics to enhance performance, cost-effectiveness, and appearance Richard Stewart [ILLUSTRATION OMITTED] Additives and masterbatches enable processors to precisely tailor plastics to meet a broad range of requirements and specialized applications. Enhancements in processability, versatility, cost-effectiveness, and product appearance can be achieved by using additives and modifiers. This report covers developments in the […]

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Plastics Engineering

Alliance Gas Systems, Inc

Alliance Gas Systems, Inc Hope Molinaro Alliance Gas Systems, Inc., of Chesterfield Twp., Mich., reports that it has been awarded U.S. Patent No. 6,579,489, dated June 17, 2003, for its water-assisted injection-molding process, called Hydrojection. The broad-coverage patent includes a multitude of methods for the injection and evacuation of water in the resin melt. It […]

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Plastics Engineering

Melamine Derivatives—An Alternative to Traditional Flame Retardants

Melamine Derivatives—An Alternative to Traditional Flame Retardants Anindya Mukherjee Melamine derivatives have been used successfully in various polymer systems to produce flame-retardant compounds. Mechanical and other properties of some of the compounded products are compared to similar products that are flame retarded using halogenated and non-halogenated systems. Although commercial polymers are inherently combustible as a […]

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Plastics Engineering

Speeding up pultrusion

Speeding up pultrusion Alice Blanco Specifically designed for pultrusion, RTM, and SMC/BMC compounding applications, MoldX A3 flame retardant features a unique modified particle shape for reduced pulling forces, higher loadings, and faster line speeds in pultrusion, says the manufacturer, Huber Engineered Materials. Described as a product of the company’s controlled function technology process, which couples […]

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Plastics Engineering

The wireless factory: increase productivity, reduce costs

The wireless factory: increase productivity, reduce costs Patrick A. Toensmeier One of the strongest growth areas in manufacturing is the wireless factory. The system uses a wireless local area network (WLAN) within a plant and portable devices like PDAs (personal digital assistants), cell phones, and notebook computers to provide real-time operational data. Equipment advances in […]