Dic Corporation

Hideyasu Teramoto

Yasuhiro Sente

Yoshitomo Nagata

Shin-ichi Ohara

Yutaka Hamasuna

Hideoki Iwanami

Takashi Tamaoka

A method for separating and recovering a layered film laminated and adhered with a reactive adhesive, the method including a step 1 of immersing the layered film in an alkaline solution while stirring the layered film with heating at 20° C. to 90° C. or ultrasonically vibrating the layered film and a step 2 of recovering separated single-layered films that constitute the respective layers of the layered film. The reactive adhesive is preferably a reactive adhesive containing a polyisocyanate composition and a polyol composition and more preferably a reactive adhesive containing a polyisocyanate composition, a polyol composition, and a compound having an acidic group.

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Tokyo, Japan

Hideyasu Teramoto