METHOD FOR PULVERIZING THRMOPLASTIC RESIN

摘要

PURPOSE:To provide a method for pulverizing thermoplastic resin containing crosslinked or uncrosslinked polyolefin-based resin as a main component continuously and efficiently into fine powder. CONSTITUTION:In a pulverization method, a twin-screw kneader A in which a pair of screws 2a (2b) which are rotated in the same direction by a barrel 1 is installed, and at least one kneading part A2 is formed between transferring part A1, A3 in each of the screws 2a (2b) is used, and a thermoplastic resin containing crosslinked or uncrosslinked polyolefin as a main component is supplied with a chemical crosslinking agent to the kneader to be pulverized. This method is useful for pulverizing the covering material (waste) of a power cable into fine powder.