Patent ID: 6060527
Filing Date: 2000-05-09
Classification: B29B,B29K,B29L,Y02P,Y02W,Y10S

Abstract:
A process for recovering the resin contained in optical information recording media having either a thin metal film layer, a printed coating film layer, or a layer comprising a thin matal film and a printed coating film, coated on at least one side of a resin substrate,which comprises the following steps of:(1) passing the recording media between at least one pair of rollers to roll them to a length of 1.08 to 2 times the original length (step A),(2) bringing the rolled recording media into contact with hot water (step B),(3) separating a substantial amount of the coating film peeled from the recording media (step C),(4) grinding the obtained recording media (step D),(5) bringing the obtained small pieces of the recording media into contact with hot water to detach the thin metal film component (step E), and(6) separating the detached thin metal film component and the hot water from the small pieces of the recording media to recover and obtain the small pieces of the recording media (step F).