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A model recovery process for scrap polystyrene foam by means of solvent systems

Kampouris, EM, Papaspyrides, CD and Lekakou, CN (1987) A model recovery process for scrap polystyrene foam by means of solvent systems Conservation and Recycling, 10 (4). pp. 315-319.

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A solvent technique is studied for the recovery of polystyrene (PS) foam waste. The model process proposed ensures removal of any impurities present and comprises dissolution of the starting material, filtering, reprecipitation, thorough washing of the polymer grains obtained and drying. The solvent mixtures involved are separated by distillation for re-use. The following criteria are considered: (a) the rheological behaviour of the PS solutions prepared, (b) the yield of the process of polymer of acceptable grain size and (c) sufficient solvent/non-solvent separation. On the basis of these criteria, methyl ethyl ketone/n-hexane or methanol and p-xylene/n-heptane are suggested as effective solvent/non-solvent systems. © 1988.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Kampouris, EM
Papaspyrides, CD
Date : 1 January 1987
DOI : 10.1016/0361-3658(87)90062-2
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:52
Last Modified : 24 Jan 2020 22:59

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