There are no revolutions under way in the world of engineering plastics. New materials today target very specific problems. One interesting set of materials from BASF helps to better insulate houses, as shown in a demonstration project in England. Michael Guibault, a marketing manager for BASF’s construction polymers business in North America, says architects can now design buildings that have the energy-efficiency advantages that previously only came with thicker, traditional materials. Here’s how it works: Plastic capsules are filled with a wax that absorbs and then releases energy by melting and solidifying. When used in an astronaut’s spacesuit, a soldier’s uniform, or within an interior plaster or plasterboard wall, the capsules boost the thermal capacity of the material and reduce temperature swings. "Manufacturers of interior building materials can utilize BASF’s Micronal phase-change microcapsules to create new product categories that can give them a competitive advantage," says Guibault.
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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