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Method for manufacturing ballast mat using worthless tire
Method for manufacturing ballast mat using worthless tire
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机译:用一文不值的轮胎制造道ast的方法
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摘要
PURPOSE: A preparation method of a ballast mat using the waste tire powders with the residual fiber powders is provided to shorten the forming time and to give a ballast mat having the clean surface and the good flexibility. CONSTITUTION: The preparation method of a ballast mat using the waste tire powders comprises the steps of: pulverizing a waste tire into the powders having the mean particle diameter of not more than about 2 mm, wherein the waste tire comprises at least 50% of natural rubber or styrene-butadiene copolymer rubber; blending the tire powders and a determined amount of a crosslinking agent, unvulcanized rubber, a vulcanizing agent and a plasticizer, putting in a mixer and mixing until the temperature of the mixture reaches 90 to 110 deg.C; and charging a press mold with the mixture and press forming at 150 to 160 deg.C for 15 to 20 minutes to form the ballast mat.
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