Alternative solvents for a method of reclaiming styrene and othe

Details Alternative solvents for a method of reclaiming styrene and othe Alternative solvents for a method of reclaiming styrene and othe

1998-09-10

2000-02-29

Griffin, Walter D.

Chemistry of hydrocarbon compounds

Production of hydrocarbon mixture from refuse or vegetation

From synthetic resin or rubber

C07C 100

Patent

active

060311428

ABSTRACT:
A method of pretreating polystyrene-containing materials to form a solution of polystyrene in a processing solvent from which the styrene in the polystyrene in the materials is reclaimed. The materials are mixed with an environmentally acceptable pretreating solvent having a lower boiling point than the processing solvent, typically at a location remote from the reclamation plant. The pretreating solvent is selected from the group consisting of d-limonene, l-limonene, dipentene, and blends thereof. Prior to actual processing to reclaim styrene, the pretreating solvent is substantially replaced with the processing solvent. The pretreating solvent may be recovered for reuse.

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