Carcass hanging glue for tires and preparation method thereof
A technology for carcass and tires, which is applied in the field of carcass hanging for tires and its preparation, can solve problems such as poor batch stability, and achieve the effects of high batch stability, improved bonding strength, and improved rubber coating rate.
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[0035] The preparation method of tire carcass hanging rubber of the present invention, the steps are as follows:
[0036] Step 1, taking each component by proportioning;
[0037] Step 2: first put cis-1,4-polyisoprene rubber into the internal mixer for internal mixing, then add zinc oxide, stearic acid, anti-aging agent and tackifying resin for internal mixing, then add carbon black for internal mixing, and finally Add operating oil for banburying, after banburying evenly, discharge the glue and output the film to get the banbury film; the initial temperature of the internal mixer is lower than 70°C, the glue discharge temperature does not exceed 155°C, and the banburying time is 4 to 10 minutes;
[0038] Step 3. Put the banbury film obtained in step 2 on the open mill, add insoluble sulfur, accelerator, resin curing agent and anti-scorch agent CTP during the mill, and after the kneading is uniform, the film is produced to obtain the mixed film. That is, carcass coating for t...
Embodiment 1～4
[0043] The formulations of the carcass rubber for tires in Examples 1-4 are shown in Table 1. Prepare as follows:
[0044] Step 1, taking each component by proportioning;
[0045] Step 2: first put cis-1,4-polyisoprene rubber into the internal mixer for internal mixing, then add zinc oxide, stearic acid, anti-aging agent and tackifying resin for internal mixing, then add carbon black for internal mixing, and finally Add operating oil for banburying, after banburying evenly, discharge the glue and output the film to get the banbury film; the initial temperature of the internal mixer is lower than 70°C, the glue discharge temperature does not exceed 155°C, and the banburying time is 4 to 10 minutes;
[0046] Step 3. Put the banbury film obtained in step 2 on the open mill, add insoluble sulfur, accelerator, resin curing agent and anti-scorch agent CTP during the mill, and after the kneading is uniform, the film is produced to obtain the mixed film. That is, carcass coating for...
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