| 摘要 |
<p>Process for granulating water-insol. materials by stirring with org. granulating agents, as in NE. 66,17285, is characterised by the use of plastics is granulating agents. Pref., the plastics are sued for self-granulation or for the granulation of other plastics. The plastic material can be PVC, polyvinyl acetate, polyethylene, polypropylene, polystyrene, polycarbonate, a cellulose derivative, epoxy resin, polyurethane, phenolic resin or a polysiloxane. The material can also be an unvulcanised natural or synthetic rubber.</p> |
