Coextrusion of polystyrene layers of different densities

Details Coextrusion of polystyrene layers of different densities Coextrusion of polystyrene layers of different densities

B - Operations, Transporting

29

C

18/647

B29C 44/22 (2006.01) C08J 9/00 (2006.01) B29C 47/00 (2006.01)

Patent

CA 1049729

Abstract of the Disclosure Coextrusion of polystyrene layers of different densities is achieved by variation in amount of nucleating agents to melts so extruded together.

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