This past June Design News co-sponsored the International Plastics Design Competition held at the National Plastics Exposition in Chicago. One entry stood in stark contrast to the tractor hoods and water-ski bodies usually on display at previous plastic design contests held by the Society of Plastics Industry.
It clearly showed that polymers have entered a brave new world. Membrane Technologies B.V. of the Netherlands showed a hollow fiber membrane, which had been cast with a new sulfonated copolymer from Kraton. Varying sulfonation levels allow ion exchange capacity of 0.4 to 2.0 milli-equivalent per gram. The ion selectivity and unique polymer architecture results in efficient salt rejection. The fibers can be used in a larger water purification or desalinization plant.
The technical complexity of the entry must have baffled the judges, who didn’t even award it some kind of honorable mention among the bevy of announced awards.
To give engineers a better idea of the range of resins and polymers available as alternatives to other materials, this Technology Roundup presents several articles on engineering plastics that can do the job.
The first photos made with a 3D-printed telescope are here and they're not as fuzzy as you might expect. A team from the University of Sheffield beat NASA to the goal. The photos of the Moon were made with a reflecting telescope that cost the research team £100 to make (about $161 US).
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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