FOAMABLE THERMOPLASTIC RESIN PARTICLES AND METHOD FOR PRODUCING SAME

摘要

Disclosed is a method for producing foamable thermoplastic resin particles whereby foamable thermoplastic resin particles are obtained by the hot-cutting method while controlling the temperature (T1) of a resin containing a foaming agent in a granulation die and the temperature (T2) of the granulation die so as to satisfy the requirement T1>T2, and controlling the ratio (L1/L2) of the flow rate (L1) of a cooling medium to the discharge rate (L2) of the foaming agent-containing resin, said resin being discharged from a nozzle, within a range of 100-200.