METHOD OF MANUFACTURING POLYSTYRENE FOAM WITH POLYMER PROCESSING ADDITIVES
Disclosed is a method for making polystyrene foam which utilizes one or more atmospheric gases, particularly CO2, as the blowing agent in combination with a polymer processing aid (PPA), typically an ester that is relatively non- volatile at the extrusion temperature range. The blowing agent and the...
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Sprache: | eng ; fre |
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