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Tokyo-based Showa Denko is making ground in the commercialization of a high-performance, thin-walled separator for fuel-cell use and a lowcost niobium-based catalyst as an alternative to expensive platinumbased catalysts. The company's latest carbon separator has a multicomponent binder system and is less than 0.1 mm thick. Showa Denko currently makes its separators at a 1000 unit/mo plant within the Production Technology Center in the Okawa area of its Kawasaki plant. The company's niobium-based catalyst features high specific surface area and superior corrosion resistance. The material's oxidation/reduction potential almost equals that of platinum. Shipments are slated to begin in 2009, with a market debut around 2015.
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## SYNOPSIS The grafting preference of vinyl acetate onto the methine carbon of poly(viny1 alcohol) (PVOH) versus the acetate group of poly(viny1 acetate) (PVAc) was determined as part of an attempt to prepare novel branched PVOH from partially hydrolyzed PVAc. The results showed long chain grafti
Material published in Focus on Catalysts includes abstracts sourced from Chemical Business NewsBase (CBNB)