| abstract |
The present invention is a high-temperature aging resistant neoprene wiper strip and a preparation method thereof, comprising neoprene, carbon black, anti-aging agent, plasticizer, processing aid, accelerator, zinc oxide and magnesium oxide; After plasticizing, press banburying with antioxidant and plasticizer, then add carbon black, processing aid and magnesium oxide for banburying, and finally add zinc oxide and accelerator for banburying, and the temperature reaches 100-150℃ When the rubber material is discharged, it is re-milled on the open mill for 3-6 minutes, and then pressed into a suitable size film by a tablet press, and parked for use; put the film obtained in step A into the special wiper strip of the molding machine. In the mold, the molding temperature is 150-180°C, and the molding time is 3-10 minutes, to obtain the semi-finished product of the wiper strip of neoprene; Get the finished neoprene wiper strip. |