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Incorporation of reclaimed rubber into asphalt

阅读:621发布:2023-08-17

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  • 2. A PROCESS OF EMBODYING RECLAIMED RUBER IN ASPHALT WHICH COMPRISES PROVIDING IN COMMINUTED FORM A SUBSTANTIALLY HOMOGENOUS COMPOSITION COMPRISING ROM 20% TO 60% OF RECLAIMED RUBBER, FROM 5% TO 30% OF AN ASPHALTIC SUBSTANCE HAVING A SOFTENING POINT OF MORE THAN ABOUT 250*F. AND A PENETRATION OF LESS THAN ABOUT 10 MM. AT 77*F., AND FROM 12% TO 50% OF A POLYETHYLENE HAVING A DENSITY OF FROM ABOUT 0.910 TO ABOUT 0.941, THE APPROXIMATE RATIO OF THE RECLAIMED RUBBER TO SAID SUBSTANCE BEING FROM 8:7 TO 8:1, OF THE RECLAIMED RUBBER TO SAID POLYETHYLENE BEING FROM 6:1 TO 2:3, AND OF SAID POLYETHYLENE TO SAID SUBSTANCE BEING GREATER THAN 1:5, AND INCORPORATING THE SAME INTO ASPHALT WITH HEAT AND AGITATION.
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