| abstract |
A resin composition for cleaning the inside of molding machines, capable of easily achieving the color exchange and the resin exchange of thermoplastic resins in various molding machines, in a small quantity of the resins, by a simple operation and in a short time is provided, which resin composition is a cleaning resin composition having (a) 1-10 wt.% of a polystyrene resin, 1-20 wt.% of a neutral salt of an alkylbenzenesulfonic acid, 1-30 wt.% of an inorganic filler and 0.5-10 wt.% of a water-repellent compound or (b) 1-10 wt.% of a polyethylene wax, 1-20 wt.% of a neutral salt of an alkylbenzenesulfonic acid and 1-20 wt.% of an inorganic filler, blended with a high density polyethylene resin having a melt index of 1.0 or less and a Q value expressing a molecular weight distribution, of 10 or less. |