| abstract |
The invention discloses a kind of preparation method of high-intensity tire curing bag, belong to tyre technology, include the following steps：1st step, modified chlorinated butyl rubber：2nd step, by weight, take modified chlorinated butyl rubber, natural rubber, N330 carbon blacks, N660 carbon blacks, sulphur, zinc oxide, curing resin, stearic acid, sulfuration cottonseed oil, nano silicon dioxide and stannous chloride, it is put into open mill and is kneaded, 90 DEG C~95 DEG C of melting temperature, 20~30min of time, after mixing terminates, with extruder extruded sheet；3rd step, injection sulfuration process.The preparation method of high-intensity tire curing bag provided by the invention, can significantly improve the intracapsular hardness of vulcanized rubber, intensity and corresponding mechanical performance index, have good weatherability. |