I have blogged here in the past against the use of bioplastics as a solution to the solid waste problem. They don’t degrade in properly built landfills and they can foul recycling streams. I was at a meeting last Wednesday, however, where the biopolymer producers seem to be improving their case.
Stefan Facco of Novamont said that the European Commission ranks composting on an equal level with recycling as a way to reduce waste. The only strategies ranking higher are waste reduction and re-use. Novamont is targeting food-service applications such as fast-food restaurants and cafeterias where it’s too time-consuming or energy intensive to wash food waste off plates or utensils. Those materials would go into a composting stream instead of a recycling stream. The extent to which those types of composting systems will be developed, however, still remains to be seen. That’s the only case to me that may make sense for use of biodegradable plastics for food service products. Use of degradable plastic for agricultural mulch is a no-brainer and is already an important product. The cost of the starch-based bioplastics made by Novamont, however, still cost two to five times more than the commodity plastics they replace. Given that, might incineration of additive-free plastics in a waste-to-energy plant make more sense?
BMW has already incorporated more than 10,000 3D-printed parts in the Rolls-Royce Phantom and intends to expand the use of 3D printing in its cars even more in the future. Meanwhile, Daimler has started using additive manufacturing for producing spare parts in Mercedes-Benz Trucks.
SABIC's lightweighting polycarbonate glazing materials have appeared for the first time in a production car: the rear quarter window of Toyota's special edition 86 GRMN sports car, where they're saving 50% of its weight compared to conventional glass.
Design engineers play a big role in selecting both suppliers and materials for their designs. Our most recent Design News Materials Survey says they continue to be highly involved, in some ways even more than the last time we asked to peek inside their cubicles.
Daihatsu is one of the first carmakers to customize car exteriors using 3D printing's mass customization capabilities. Effect Skins -- small exterior bumper and fender panels in different colors and textures -- can be ordered for its Copen convertible.
Several new products in this group of new adhesives, coatings, and sealants are formulated to protect sensitive electronic components, or to seal components of commercial and military aircraft. Others are designed to operate in tough, messy, dirty oil & gas operations, or for rotary applications and motors.
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