Natural rubber-butadiene styrene rubber composition material and preparation method and application thereof
A technology of natural rubber and styrene-butadiene rubber, which is applied in the field of natural rubber-styrene-butadiene rubber composite materials, and can solve problems such as short fatigue durability, rapid heat generation of rubber, and failure of rubber molecular chain breakage
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Embodiment 1~5、 comparative example 1 and comparative example 2
[0105] Among them, BR9000 in Comparative Example 2 is butadiene rubber of the type BR9000 produced by the Sichuan Plant of China Petrochemical Corporation.
[0106] Table 1
[0107]
[0108]
[0109] "-" in Table 1 indicates that the dosage is "0".
[0110] The consumption of each raw material component of embodiment 1~5 is all as shown in table 1.
[0111] Embodiments 1 to 5, the raw material components of each embodiment in Table 1 are obtained according to the following preparation steps to obtain the product of each embodiment (the parameters of each step are as shown in Table 2):
[0112] (1) Pre-plasticize the natural rubber with a internal mixer, and use the open mixer to produce a sheet with a thickness of 3mm, and use it within 4-12 hours; mix the natural rubber and styrene-butadiene rubber with an internal mixer to obtain mixture A ;
[0113] (2) Continue to input activator zinc oxide, magnesia, stearic acid, anti-aging agent, protective wax, tackifier, amid...
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