| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a resin composition with high efficiency and versatility, the resin composition including a fibrous filler having a weight average fiber length of 140 μm or less.SOLUTION: A resin composition including a fibrous filler (B) having a weight average fiber length of 140 μm or less is obtained by supplying a resin (A), the fibrous filler (B) and a granular filler (C) that is harder than the fibrous filler (B) into an extruder 10 through a main feed port 5 or the main feed port 5 and a side feed port 7, melt-kneading and extruding the kneaded material. |
