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Siemens made green substitute for ABS

May 17/2012

(plasteurope) -- A new polymer made from exhaust gas containing CO2 holds promise as a "green"  substitute for ABS, says German E&E giant Siemens.

In an ongoing project funded by the German federal research ministry, BMBF, to find industrial applications for CO2, Siemens is cooperating with academic and industrial partners such as universities in Hamburg and Munich as well as chemical and plastics giant BASF.

The new composite material is being touted as a competitive ecological alternative to ABS, for example in household appliances. The polymer mixture contains polyhydroxybutyrate (PHB) made from renewable raw materials such as palm oil and starch.

As PHB is brittle, polypropylene carbonate (PCC) manufactured by BASF is used in the process to make the mixture softer. The PPC input, consisting of 43% of CO2 by weight, is being obtained from power plant emissions. Along with being transparent, biodegradable and resistant to light, the polymer is easily processed, the researchers say.
Author:Anna Larionova
Category:General News
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