Semi-steel meridian tire sidewall rubber composition and preparation method thereof
A technology for sidewall rubber and radial tire is applied in the field of semi-steel radial tire sidewall rubber composition and its preparation, which can solve the problems of tire appearance pollution, discoloration and the like, and achieves excellent ozone resistance, improved vividness, and synchronization of vulcanization time. Effect
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Embodiment 1
[0022] This embodiment relates to a semi-steel radial tire sidewall rubber composition and a preparation method thereof. The raw material components and parts by weight of each component are: 30 parts of SMR20 type natural rubber, 60 parts of BR9000 type butadiene rubber, and 60 parts of LIR-50 type 15 parts of liquid isoprene rubber, 55 parts of N330 carbon black, 3.5 parts of zinc oxide, 2 parts of stearic acid, 2.3 parts of 6PPD type antioxidant, 1.3 parts of RD type antioxidant, 1.8 parts of FYT-502 type protective wax, 40MS type 2 parts of leveling agent, 0.8 parts of TBBS accelerator, 1.72 parts of sulfur.
[0023] This embodiment relates to a semi-steel radial tire sidewall rubber composition and a preparation method thereof, and its specific preparation process includes the following steps:
[0024] (1) Batching and compounding: carry out compounding and compounding according to the raw material components and parts by weight of the rubber composition used for tire sid...
Embodiment 2
[0029] The semi-steel radial tire sidewall rubber composition involved in this embodiment, its raw material components and parts by weight of each component are: 40 parts of SMR20 type natural rubber, 50 parts of BR9000 type butadiene rubber, and LIR-50 type liquid isoprene 10 parts of rubber, 52 parts of N330 carbon black, 3 parts of zinc oxide, 2.2 parts of stearic acid, 2.5 parts of 6PPD type anti-aging agent, 1.5 parts of RD type anti-aging agent, 2.5 parts of FYT-502 type protective wax, 40MS type leveling agent 4 Parts, 0.7 parts of TBBS accelerator, 1.8 parts of sulfur.
[0030] This embodiment relates to a semi-steel radial tire sidewall rubber composition and a preparation method thereof, the specific preparation process of which is the same as that of Embodiment 1.
Embodiment 3
[0032] The semi-steel radial tire sidewall rubber composition involved in this embodiment, its raw material components and parts by weight of each component are: 50 parts of SMR20 type natural rubber, 40 parts of BR9000 type butadiene rubber, and LIR-50 type liquid isoprene 20 parts of rubber, 56 parts of N330 carbon black, 3.2 parts of zinc oxide, 1.8 parts of stearic acid, 2.6 parts of 6PPD type antioxidant, 1.6 parts of RD type antioxidant, 2 parts of FYT-502 type protective wax, 3 parts of 40MS type leveling agent Parts, 1.0 parts of TBBS accelerator, 1.76 parts of sulfur.
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