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A bio-based crosslinker for polyurethanes

By Gerald Ondrey |

At the European Coatings Show (April 21–23; Nuremberg, Germany), Bayer MaterialScience AG (BMS; Leverkusen, Germany; www.materialscience.bayer.com) will launch Pentamethylene diisocyanate (PDI), a new isocyanate with 70% of its carbon content originating from biomass. The eco-friendly hardner component is being evaluated for use in coatings, adhesives and other applications. First PDI-based products will be introduced in April. Commercial manufacturing will follow in 2016, with a production capacity of up to 20,000 m.t./yr. These products will be produced in existing plants using an energy-efficient, gas-phase technology, says BMS.  
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Solar desalination Researchers at Rice University (Houston, Tex.; www.rice.edu) working on nanophotonics-enabled solar membrane distillation (NESMD) have found that concentrating…

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