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A new recycling system for expanded polystyrene using a natural solvent. Part 1. A new recycling technique

โœ Scribed by Tsutomu Noguchi; Mayumi Miyashita; Yasuhito Inagaki; Haruo Watanabe

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
259 KB
Volume
11
Category
Article
ISSN
0894-3214

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โœฆ Synopsis

A new recycling technique has been developed which uses a natural solvent, d limonene, to shrink expanded polystyrene (EPS). d-Limonene is a natural vegetable oil which is extracted from the rinds of citrus fruits and is a good solvent of EPS. Limonene has almost the same solubility as toluene at room temperature. This technique reduces the volume of EPS to about 1/20th of the original. Contracted EPS is recyclable with almost no molecular weight degradation because d-limonene acts as an antioxidant of polystyrene during the heating process.

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