Method and device for removing coating on coated plastic article

A method for removing a coating on a coated plastic article with a remover, the coating containing a synthetic resin component and being on a surface of a plastic base included in the coated plastic article, the method comprising:

• shredding the coated plastic article into a plurality of pieces;
• heating the remover to a first temperature;
• and
• stirring the plurality of pieces with the heated remover,
• wherein the remover includes at least one monohydric lower alcohol selected from the group consisting of methanol, ethanol, propanol, and 1-butanol, and swells at least one of the base or the coating,
• the base contains acrylonitrile butadiene styrene resin or acrylonitrile styrene acrylate resin,
• the remover includes one selected from the group consisting of methanol, ethanol, and a mixture of methanol and ethanol,
• the first temperature is not lower than 25° C. and not higher than 55° C.,
• the method further comprises, before the stirring, immersing the plurality of pieces in the remover heated to a second temperature, and
• the second temperature is not higher than an upper limit temperature of the first temperature.