Manufacturing process of radial tyre inner lining air barrier component
A radial tire and a preparation technology, applied in the field of rubber tire processing, can solve problems such as excessive rubber material, affecting product quality and performance, and achieve the effects of reducing pollution, saving accelerator energy, and reducing the vulcanization system
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Embodiment 1
[0017] The rubber formula of the lower layer of the inner liner of the radial tire: 80 parts of halogenated butyl rubber, 20 parts of natural rubber, 80 parts of carbon black (660), 3 parts of stearic acid, 4 parts of zinc oxide, antioxidant (RD) 1.5 parts, sulfur 1.2 parts, accelerator (NOBS) 1.5 parts.
[0018] Upper rubber coating formula: 80 parts of natural rubber, 20 parts of styrene-butadiene rubber, 70 parts of carbon black (550), 6 parts of zinc oxide, 2 parts of stearic acid, 2 parts of antioxidant (AW), 2 parts of sulfur, accelerator (NS) 1.5 parts.
[0019] Mix the rubber base material, anti-aging system, reinforcing system, and vulcanization system with an internal mixer according to the above formula. The mixing temperature is controlled at 40-100°C, and the mixing time is about 25 minutes. After the rubber is mixed evenly, Glue removal; after parking for 8-12 hours, add the vulcanization system to the open mill to complete the preparation of the mixed rubber. ...
Embodiment 2
[0022] The rubber composition of the lower layer of the inner inner liner of the radial tire: 90 parts of halogenated butyl rubber, 10 parts of natural rubber, 80 parts of carbon black (660), 4 parts of stearic acid, 3 parts of zinc oxide, antioxidant (RD) 2 parts, 0.8 parts of sulfur, 1.2 parts of accelerator (NOBS).
[0023] The formula of rubber coating on the inner inner liner of radial tire: 90 parts of natural rubber, 10 parts of butadiene rubber, 70 parts of carbon black (550), 6 parts of zinc oxide, 2 parts of stearic acid, 2 parts of anti-aging agent (AW) , 1.8 parts of sulfur, 1.3 parts of accelerator (NS).
[0024] The rubber material mixing process, the calendering preparation process of the inner liner inner liner parts, and the radiation pretreatment process are the same as in Example 1. In Example 2, by adjusting the vulcanization system of the inner liner inner liner composition, after the radiation pretreatment, after testing, it is proved that the pre-vulcan...
Embodiment 3
[0026]The rubber formula of the lower layer of the inner liner of the radial tire: 80 parts of halogenated butyl rubber, 20 parts of natural rubber, 80 parts of carbon black (660), 3 parts of stearic acid, 4 parts of zinc oxide, antioxidant (RD) 1.5 parts, 1.2 parts sulfur, 1.5 parts accelerator (NOBS), 5 parts neopentyl glycol diacrylate (NPGDA).
[0027] Upper rubber coating formula: 80 parts of natural rubber, 20 parts of styrene-butadiene rubber, 70 parts of carbon black (550), 6 parts of zinc oxide, 2 parts of stearic acid, 2 parts of antioxidant (AW), 2 parts of sulfur, accelerator (NS) 1.5 parts, neopentyl glycol diacrylate (NPGDA) 5 parts.
[0028] The rubber material mixing process and the calendering preparation process of the inner liner airtight layer parts are the same as in Example 1. In the radiation pretreatment process, the inner liner sheet is fixed on the non-tractor beam lower conveying device under the electron accelerator, and the surface layer is irradi...
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