METHOD FOR PREPARING A MOLDABLE POLYSTYRENE MATERIAL AND FORMED PREPARATIONS MANUFACTURED USING THE POLYSTYRENE MATERIAL PREPARED SO

摘要

A filled thermoplastic composition is produced by first preparing a masterbatch of an impact polystyrene, a rubber, an oil and a filler and by secondly mixing the masterbatch with a polystyrene composition. The filled thermoplastic composition has acceptable properties.