Memory of polymer synthetic rubber sealing (MSR) sizing material and method thereof
A compound and tire technology, applied in the field of MSR compound, can solve the problems of increasing vehicle maintenance, affecting vehicle handling performance, and decreasing comfort, and achieve the effect of improving driving efficiency
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Embodiment 1
[0028] Embodiment 1 Universal tire
[0029] The composition of the MSR compound is by weight percentage: 45% of elastomer, 40% of tackifier, 5% of softener, 1% of anti-aging agent, 2% of foaming agent, 6% of filler, and 1% of crosslinking agent. The steps are as follows:
[0030] The first step: quickly put each component of the rubber compound into four airtight small stirring tanks that have been preheated to 180°C-190°C, and stir automatically for 2 hours;
[0031] Step 2: Use a booster pump to pump the rubber in the four closed small stirring tanks into the main stirring tank that is preheated to 180°C-190°C, and continue to stir automatically for 2 hours;
[0032] Step 3: Then use a booster pump to pump the rubber in the main stirring tank into the semi-open glue collection box, and use circulating cooling water in the glue collection box to indirectly cool the glue to room temperature, and the taken out glue can be packaged until the end.
[0033] The obtained physica...
Embodiment 2
[0043] Embodiment 2 Special type tire for military and civilian use
[0044] The composition of the MSR rubber compound is as follows: 51% elastomer, 36% tackifier, 2% foaming agent, 7% softener, 2% filler, 1% anti-aging agent, 1% crosslinking agent. Wherein the preparation steps are roughly the same as those in Example 1, only the temperature conditions and time conditions are different, and Example 2 is after mixing for 1.5 hours under the condition of 250°C.
[0045] In addition, the method of applying the MSR compound to the tubeless tire is also roughly the same as in Example 1, wherein the thickness of the compound sprayed is 2mm, and the special type tire for military and civilian use of the present invention is obtained.
[0046] The obtained physical properties of MSR sizing material in embodiment 2 are specifically as follows:
[0047] Tensile strength ≤ 0.37MPa; tensile elongation ≥ 1500%
[0048] Softening point 108°C; initial viscosity ≥ 7MM
[0049] Peel stren...
Embodiment 3
[0051] Example 3 Truck tire
[0052]The composition of the MSR rubber compound is as follows: 45% elastomer, 43% tackifier, 5% filler, 6% softener, 1% anti-aging agent. The preparation steps are roughly the same as those in Example 1, only the temperature conditions and time conditions are different, and Example 3 is after kneading at 190° C. for 2.5 hours.
[0053] In addition, the method of applying the MSR sizing material to the tubeless tire is also roughly the same as in Example 1, wherein the sizing material is sprayed on the inner wall of the tubeless tire by a casting method, and the thickness of the sizing material spraying is 6mm, which obtains the load-bearing capacity of the present invention. Car tires.
[0054] The obtained physical properties of MSR sizing material in embodiment 3 are specifically as follows:
[0055] Tensile strength≤0.37MPa; tensile elongation≥1450%
[0056] Softening point 108°C; initial viscosity ≥ 7MM
[0057] Peel strength 21KN / M; low ...
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