C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 11/06 (2006.01) B03B 1/04 (2006.01) B03D 1/002 (2006.01) B03D 1/008 (2006.01) B03D 1/02 (2006.01)
Patent
CA 2078098
HOE 91/F 288 Abstract of the disclosure Process for the separation of plastics by flotation The invention relates to a process for separating off polyester plastics from a mixture of polyester, polyvinyl chloride and, if present, other plastics, which comprises treating the mixture of plastics with an aqueous alkaline solution and separating off the polyester from polyvinyl chloride and, if present, other plastics by flotation.
Deiringer Guenther
Edelmann Gerhard
Rauxloh Bernhard
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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