Plastics packaging: Foaming process cut costs in rigid PS sheet

03/23/2011

Matt's take: Polystyrene supplier Styron introduced its CO2RE foaming technology to great fanfare last fall. The process uses carbon dioxide as a physical foaming agent during extrusion of rigid PS sheet, the kind of sheet that often is then thermoformed for dairy and food service applications.

PlasticsToday caught up with John Case, Styron's global marketing manager for packaging and consumer goods, to get an update on the process and to add some detail to the original announcement so you can decide if this is a technology you might consider licensing. Send any questions or comments you may have on the tech and we'll try to get those answered. If you want to know the exact price for a license, please contact Styron directly.

Polystyrene supplier Styron introduced its CO2RE processing technology at last fall's K show in Düsseldorf, Germany, and now can point to some concrete commercial successes. The process involves injection of liquid carbon dioxide as a physical foaming agent into the polymer melt during extrusion of rigid PS sheet. The technology is available globally....
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