| abstract |
The invention discloses a kind of preparation method of ageing-resistant tire curing bladder, belong to tyre technology, comprise the following steps：1st step, the preparation of modified natural rubber：2nd step, by weight, take chlorinated scoline, modified natural rubber, N220 carbon blacks, N550 carbon blacks, accelerator, zinc oxide, stearic acid, castor oil, magnesia, nano silicon, age resistor and stannous chloride, it is put into mill and is kneaded, 90 DEG C~125 DEG C of melting temperature, 20~30min of time, after mixing terminates, extruder extruded sheet is used；3rd step, injection sulfuration process.The preparation method for the ageing-resistant tire curing bladder that the present invention is provided, it is possible to increase the respective physical performance of tire curing bladder, meanwhile, ageing-resistant performance is excellent, can be used for a long time under harsh environment. |