| 摘要 |
PROBLEM TO BE SOLVED: To provide a new method for restraining generation of gum, in a process of manufacturing a pellet. ! SOLUTION: The method comprises a process of respectively melting a resin composition (A) and a resin composition (B), a process of respectively supplying the melted resin composition (A) and the melted resin composition (B) to a die device having an extrusion molding part capable of forming a strand having a core-sheath structure, a process of providing the strand by respectively pushing out the melted resin composition (A) and the melted resin composition (B) from the extrusion molding part and a process of providing the pellet by cutting the provided strand, and restrains the gum generated in the vicinity of the extrusion molding part in which the strand is a strand having the core-sheath structure so that a core is a core composed of the resin composition (A), and a sheath is a sheath composed of the resin composition (B) and a pellet is a pellet having the core-sheath structure so |
