Patent ID: 7879268

Claim:
An apparatus for manufacturing a particulate resin, comprising: a fine nozzle opening configured to extrude a melted resin mixture comprising a resin; an extrusion output control mechanism configured to control an extrusion output of the melted resin mixture; a collision mechanism configured to collide the melted resin mixture extruded from the fine nozzle opening with a high-temperature gas stream having a temperature of not less than a T 1/2 temperature of the resin, so that the melted resin mixture is granulated to provide a particulate resin; a heat retention mechanism configured to retain the particulate resin in an atmosphere having a temperature of not less than a Tg of the resin for 0.1 to 10 seconds; a cooling mechanism configured to cool the particulate resin; and a feeding mechanism configured to feed a second substance into the melted resin mixture before the melted resin mixture is extruded from the fine nozzle opening.