| 摘要 |
<p>A solvent for polystyrene resin treatment which is for use in contracting a polystyrene resin by contact therewith and is excellent in treatment rate, stickiness and sedimentation of the substance being treated, etc.; and a method of treating a polystyrene resin with the solvent. <??>The solvent for polystyrene resin treatment, which is a liquid medium for bringing a polystyrene into a jelly- or gel- state and thereby reducing the volume, comprises an aliphatic hydrocarbon and a solvent in which polystyrene resins are soluble,-and is characterized in that the mixing proportion of the aliphatic hydrocarbon is 37.5 +/- 2.5 wt% based on the liquid medium.</p> |
