Method of manufacturing polystyrene foam with polymer processing additives
作者： Yadollah Delaviz , Mitchell Z. Weekley , Mark Polasky , Roland R. Loh , Bharat Patel
DOI:
关键词: Thermoplastic 、 Atmospheric temperature range 、 Processing aid 、 Materials science 、 Polystyrene 、 Polymer 、 Extrusion 、 Composite material
摘要: Disclosed is a method for making polystyrene foam which utilizes one or more atmospheric gases, particularly combinations of HFCs and CO 2 , as the blowing system in combination with polymer processing aid (PPA), typically an ester that relatively non-volatile at extrusion temperature range. The PPA may both be introduced into molten thermoplastic resin incorporated solid source resins. resulting foams will exhibit improved dimensional stability ambient temperatures.
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