Rubber composition for studless tire and studless tire
A rubber composition and tire technology, applied in the field of studless tires and rubber compositions for studless tires, to achieve the effect of improving performance on ice and snow
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manufacture example 1
[0473] Production Example 1 (Synthesis of Polymer 1)
[0474] Clean and dry the inside of a stainless steel polymerization reactor with an inner volume of 20L, replace it with dry nitrogen, and put hexane (specific gravity 0.68g / cm2) into the reactor 3 ) 10.2kg, 1,3-butadiene 547g, tetrahydrofuran 3.0ml, ethylene glycol diethyl ether 2.0ml. Next, 11.1 mmol of bis(diethylamino)methylvinylsilane and 13.1 mmol of n-butyllithium were added as a cyclohexane solution and a n-hexane solution, respectively, to start polymerization. The stirring rate was 130 rpm, the temperature in the polymerization reactor was 65° C., and the polymerization of 1,3-butadiene was carried out for 3 hours while continuously supplying the monomer into the polymerization reactor. The supply amount of 1,3-butadiene required for complete polymerization was 821 g. Next, the obtained polymer solution was stirred at a stirring rate of 130 rpm, 11.1 mmol of 3-diethylaminopropyltriethoxysilane was added, and th...
manufacture example 2
[0475] Production Example 2 (Synthesis of Polymer 2)
[0476] Clean and dry the interior of a stainless steel polymerization reactor with an internal volume of 20 L, replace it with dry nitrogen, and put hexane (specific gravity 0.68 g / cm2) into the polymerization reactor. 3 ) 10.2kg, 1,3-butadiene 547g, tetrahydrofuran 3.0ml, ethylene glycol diethyl ether 2.0ml. Next, 10.5 mmol of bis(diethylamino)methylvinylsilane and 13.4 mmol of n-butyllithium were added as cyclohexane solutions and n-hexane solutions, respectively, and 1,3-butadiene was polymerized for 1 hour. During the polymerization, the stirring rate was 130 rpm, the temperature in the polymerization reactor was 65° C., and the monomer was continuously supplied into the polymerization reactor. After the 1-hour polymerization, 10.5 mmol of bis(diethylamino)methylvinylsilane was used as a cyclohexane solution, and the stirring speed was 130 rpm, and the temperature in the polymerization reactor was 65°C, and then put i...
manufacture example 3（
[0478] Production Example 3 (Synthesis of Polymer 3)
[0479] Clean and dry the interior of a stainless steel polymerization reactor with an internal volume of 20 L, replace it with dry nitrogen, and put hexane (specific gravity 0.68 g / cm2) into the polymerization reactor. 3 ) 10.2kg, 1,3-butadiene 547g, tetrahydrofuran 3.0ml, ethylene glycol diethyl ether 2.0ml. Next, 11.1 mmol of bis(diethylamino)methylvinylsilane and 13.1 mmol of n-butyllithium were added as a cyclohexane solution and a n-hexane solution, respectively, to start polymerization. The stirring rate was 130 rpm, the temperature in the polymerization reactor was 65° C., and the polymerization of 1,3-butadiene was carried out for 3 hours while continuously supplying monomers into the polymerization reactor. The supply amount of 1,3-butadiene required for complete polymerization was 821 g. Next, the obtained polymer solution was stirred at a stirring rate of 130 rpm, 11.1 mmol of 1,3-dimethyl-2-imidazolinone was ...
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