| abstract |
The invention discloses one kind to activate waste rubber particles for asphalt, and the particle diameter of waste rubber grain is：10‑12mm；The component and parts by weight content of waste rubber grain be：Useless vehicle tire particles 50 80, modified filler 9 13, inorganic filler 46, calcium carbonate 10 20, crosslinking agent 46, peroxide vulcanizing agent 46, Valelinum Liquidum 10 15, Petropols 58, activator 1 1.5, bulking agent 46, described bulking agent is maleic anhydride；The mesh of particle diameter 30 60 of wherein useless vehicle tire particles.Rubber grain composition of raw materials advantages of simple of the present invention, there is high resistance to natural weathering performance, product non-corrosiveness, good physical performance；Sulfur-bearing toxic gas is not likely to produce when solution temperature is low in pitch, dissolution time is short and dissolving mixes, the performance of pitch can be improved. |