Method for removing coatings from compact discs

Details Method for removing coatings from compact discs Method for removing coatings from compact discs

C - Chemistry, Metallurgy

08

J

C08J 11/14 (2006.01) C22B 21/00 (2006.01) G11B 7/241 (2006.01) G11B 7/253 (2006.01)

Patent

CA 2102688

ABSTRACT OF THE DISCLOSURE A method for removing the lacquer and aluminum coatings from the polycarbonate substrate of scrap compact discs so as to reclaim the polycarbonate includes the steps of immersing the discs in a an alkaline solution, heating the solution to a predetermined temperature and mechanically agitating the immersed discs by applying ultrasonic energy to the solution at a sufficient energy density and for a sufficient time to dissolve the lacquer and the aluminum into the solution. The solution containing the dissolved lacquer and aluminum is decanted from the stripped polycarbonate discs, the discs are washed with water to remove remanent alkaline solution, and then dried.

Affiliated with

Also associated with

Rating

Method for removing coatings from compact discs does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for removing coatings from compact discs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for removing coatings from compact discs will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1385048