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Preparation method of additive for steel wire radial tire
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A radial tire and additive technology, applied in the field of rubber additives, can solve problems such as poor lateral stability, high manufacturing technology requirements, large side deformation, etc., and achieve the effect of providing bonding force
Inactive Publication Date: 2014-09-17
WUXI CITY CHONGAN DISTRICT TECH ENTREPRENEURSHIP SERVICE CENT
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Disadvantages: 1) The transition zone between the crown and the sidewall is prone to cracks
However, many additives contain heavy metal elements, which will affect the environment when the tires are scrapped
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Embodiment 1
[0022] A preparation method for an additive for a steel wire radial tire, comprising the steps of:
[0024] Step 2: Add 150Kg of solvent to the mixture, then add 4Kg of zinc borate, 2Kg of aluminum disulfide, 2Kg of magnesium borate, 20Kg of epoxy resin, 2Kg of dipentaerythritol, and 10Kg of dispersant, keep it for 2 hours, and stir evenly.
[0030] Step 2: Add 200Kg of solvent to the mixture, then add 8Kg of zinc borate, 4Kg of aluminum disulfide, 5Kg of magnesium borate, 30Kg of epoxy resin, 4Kg of dipentaerythritol, and 15Kg of dispersant, keep it for 4 hours, and stir evenly.
[0034] A preparation method for an additive for a steel wire radial tire, comprising the steps of:
[0035] The 1st step, put resorcinol 25Kg, hydroxynitrile butadiene rubber 35Kg, polycarbonate resin 7Kg, polytetrafluoroethylene 5Kg, ethylene-vinyl acetate copolymer 6Kg, place in the blender and mix uniformly, obtain mixture;
[0036] Step 2: Add 170Kg of solvent to the mixture, then add 6Kg of zinc borate, 3Kg of aluminum disulfide, 4Kg of magnesium borate, 25Kg of epoxy resin, 3Kg of dipentaerythritol, and 12Kg of dispersant, keep it for 3 hours, and stir evenly.
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Abstract
The invention relates to a preparation method of an additive for a steel wire radial tire and belongs to the technical field of a rubber additive. The preparation method comprises the following steps: S1, uniformly mixing 20-30 parts of resorcinol, 30-40 parts of hydroxyl nitrile rubber, 5-10 parts of polycarbonate resin, 3-6 parts of polytetrafluoroethylene and 3-8 parts of ethylene-vinyl acetatecopolymer in a mixer to obtain a mixture; S2, adding 150-200 parts of a solvent into the mixture and then adding 4-8 parts of zinc borate, 2-4 parts of aluminum disulfide, 2-5 parts of magnesium borate, 20-30 parts of epoxy resin, 2-4 parts of dipentaerythritol and 10-15 parts of dispersant, maintaining for 2-4 hours and uniformly stirring. According to the reinforcement additive for the steel wire radial tire, the bonding force between the steel wire and the tire rubber can be remarkably improved.
Description
[0001] technical field [0002] The invention relates to a preparation method of an additive for steel wire radial tires, belonging to the technical field of rubber additives. [0003] Background technique [0004] Compared with ordinary bias tires, radial tires have many advantages. The root cause of the performance of radial tires is that the structure of radial tires is different from that of ordinary bias tires. The characteristics of radial tires are: 1. The direction in which the ply cords are arranged is consistent with the radial section of the tire. Because the cords are arranged in this way, their strength is fully utilized. The number of plies of radial tires can generally be reduced by about 40% to 50% compared with ordinary bias tires, and the carcass is softer. 2. The belt is used to withstand the large tangential force generated during driving. The radial tire has several layers of cords and a radial cross-section at a large angle (intersection angle is...
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