| 摘要 |
1323124 Granulating neoprene E I DU PONT DE NEMOURS & CO 20 Oct 1970 [20 Oct 1969] 49813/70 Heading B5A A process for the granulation of uncured neoprene comprises forming a thin film into a rope of substantially rectangular cross-section, slitting the rope longitudinally into a plurality of continuous filaments 9 by co-operating rotating circular blades 7 in the presence of a water lubricant, feeding the filaments to a chopper 15 where they are continuously cross-cut to form granular particles, and dusting the particles with talc or talc-containing material. |
