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A kind of tire oil skin rubber and preparation method thereof
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A technology of tire oil and skin glue, which is applied in the field of tire processing technology, can solve the problems of tire performance impact, oil skin rubber oversulfurization, endangering vehicle safety, etc., and achieve excellent performance and change the effect of vulcanization time
Active Publication Date: 2018-08-17
SHANDONG COCREA TIRE CO LTD
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Problems solved by technology
[0003] In addition, in the actual vulcanization process, over-vulcanization of oil skin rubber often occurs; oil skin rubber, as the inner surface rubber of the tire casing, needs to be vulcanized synchronously with the rubber layer in the middle of the tire to prevent the outer layer of rubber from being fully vulcanized while the middle layer of rubber is still It has not reached the fully vulcanized state, which will have a great impact on the performance of the tire, and even endanger the safety of the vehicle during driving.
Method used
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[0026] The F370 internal mixer is used for three-stage mixing and refining.
[0027] (1) One stage of mixing (one stage of masterbatch preparation)
[0028] Put styrene-butadiene rubber 1502, 10 parts of carbon black N330, 25 parts of carbon black N660 into the internal mixer (the total amount of carbon black is 40 parts in the first stage of mixing), and the speed is 50 before adding carbon black. After adding carbon black The rotation speed i...
Embodiment 2-4
[0034] On the basis of the formula of Example 1, S-benzyl O-ethyl xanthate, 0.001 part; 0.03 part; 0.05 part is added to each raw material of the oil skin glue; and 4.
[0035] Above-mentioned embodiment 1-4, its test performance data, see Table 1.
[0041] Put styrene-butadiene rubber 1502, 9 parts of carbon black N330, and 26 parts of carbon black N660 into the internal mixer (the total amount of carbon black is 35 parts less during the first stage of mixing), and the speed is 50 before adding carbon black. After adding carbon black The rotation speed is 45 rpm, the mixing temperature is 145, the mixing time is 90s, and the pre...
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Abstract
The invention discloses a tyre gum chicle insert, which comprises the following raw materials by mass: 67-75 parts of 20# standard rubber; 25-35 parts of styrene butadiene rubber 1502; 25-35 parts of fine reclaimed rubber; 4.5-5.5 parts of zinc oxide; 2.3-2.7 parts of stearic acid; 0.6-1.0 part of an anti-aging agent 4010NA; 15-25 parts of carbon black N330; 40-60 parts of carbon black N660; 18-22 parts of carbon black PM701; 45-55 parts of 2# kaolin; 3.5-4.5 parts of cumarone; 10-14 parts of aromatic hydrocarbon oil; 1.8-2.2 parts of sulfur; 0.5-0.7 part of a promoter CZ; 0.6-0.8 part of a promoter DM; 0.04-0.06 part of a promoter TMTD; 0.3-0.5 part of an antiscorching agent CTP; 1.3-1.7 parts of a thermal oxidation resistant agent RF; and 0.01-0.05 part of S-benzylO-ethylxanthate.
Description
technical field [0001] The invention relates to a tire oil skin glue and a preparation method thereof, belonging to the field of tire processing technology. Background technique [0002] A layer of 0.5-1.0mm thick oil skin rubber needs to be covered in the outer tire of the inner tube tire, which can protect the inner tube in the tire, prevent the carcass cord from wearing the inner tube or pinch the inner tube, and cause early damage to the inner tube, and play a role in the tire. very important role. [0003] In addition, in the actual vulcanization process, over-vulcanization of oil skin rubber often occurs; as the inner surface rubber of the tire casing, the oil skin rubber needs to be vulcanized synchronously with the rubber layer in the middle of the tire to prevent the outer layer of rubber from being fully vulcanized while the middle layer of rubber is still It has not reached the fully vulcanized state, which has a great impact on the performance of the tire, and e...
Claims
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Application Information
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