| 摘要 |
The invention relates to methods for converting extruded expanded polystyrene by compacting the material using a heat source, reducing its volume and facilitating transportation, storage and handling. A method of cold conversion of the material obtained by the addition of solvent, producing a basic resin. A method of hot conversion of the material obtained, by the addition of fat and vegetable resin and by melting these products, results in a compound having the same appearance and the same properties as ivory.
|
