Green, sustainable materials -- some made out of shrimp shells, silk, and plant trash -- are being used for consumer packaging, shipping, and plastic bag replacements.
In fact, those are the largest applications for bioplastics, which are usually created in a process chain from ethanol to polymer that closely parallels the process for creating their petrochemical equivalents. Today durable-grade bioplastics are blended with petro-based plastics and incorporated into PCs. Engineering-grade bioplastics are being used in extreme, under-hood automotive applications.
Click the image below to start a slideshow highlighting the innovative ways green materials are being used:
Recycled plastic bottles and other waste plastic destined for landfills can be transformed into weight-bearing structural materials for heavy-load bridges, such as this one in Scotland,
shown supporting heavy equipment during its construction. (Source: Axion International)
Thanks, Beth. I agree: Except for the mushroom packaging, the green materials are mostly transparent to the user. Maybe that camouflage-like effect is one reason why so many of us don't realize that they're already here in so many different products we use every day.
I think there are two reasons green materials and approaches are taking off. Alex is right: the cost differential--in the sense of price of materials--is making these alternatives a no-brainer. But my research showed that the price differential swings back and forth between plus and minus depending on the ups and downs of the price of oil. The second major reason is consumer demand, which has been a longer-term factor.
What this slideshow brings to light is the fact that "green" is not a technology per se. Rather, it's a way of looking at design, from prototyping through to recycling, to figure out the most environmentally friendly way of doing things. However, as I've said before, the reason green is taking off is simply because now, with the rising price of oil, it's finally cost effective.
Very cool presentation, Ann. Really gives you a sense of the varied mix of products and packaging that is now able to take advantage of these green materials. It also shows that going green from a materials standpoint doesn't have to dramatically alter the look or feel of the product--it's almost transparent from a visual perspective, which could be a benefit for companies concerned about dramatically altering their goods.
A tiny humanoid robot has safely piloted a small plane all the way from cold start to takeoff, landing and coming to a full stop on the plane's designated runway. Yes, it happened in a pilot training simulation -- but the research team isn't far away from doing it in the real world.
Some in the US have welcomed 3D printing for boosting local economies and bringing some offshored manufacturing back onshore. Meanwhile, China is wielding its power of numbers, and its very different relationships between government, education, and industry, to kickstart a homegrown industry.
You can find out practically everything you need to know about engineering plastics as alternatives to other materials at the 2014 IAPD Plastics Expo. Admission is free for engineers, designers, specifiers, and OEMs, as well as students and faculty.
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