One of outcomes of the drive to reduce fuel consumption will be a major drive to composites. Boeing’s 787 Dreamliner will improve fuel efficiency 20 percent through use of composites in half of its structure. All of the material is coming, at least for now, from Toray Industries, the world’s largest supplier of PAN-based carbon fiber. Toray says demand for the material is growing at a 15 per cent annual rate, with much of the immediate push coming from the Boeing 787 Dreamliner. But Toray says a major demand developing from auto producers, which are already experimenting with high-tech thermoplastic composites. The carbon fiber matrices will also be used more in CNG tanks. Prices of the materials are soaring, and there have been reports of supply constraints. Toray is spending close to $1 billion now to boost capacity.
At IMTS last week, Stratasys introduced two new multi-materials PolyJet 3D printers, plus a new UV-resistant material for its FDM production 3D printers. They can be used in making jigs and fixtures, as well as prototypes and small runs of production parts.
Plastic bags can become useful as either raw materials for plastics or feedstock for fuel. It's when they're not recycled that they become a major problem. That's what California's bag ban will prevent.
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