METHOD OF POLYMER-BITUMEN BINDING AGENT PRODUCING Russian patent published in 1997 - IPC

FIELD: building materials. SUBSTANCE: method involves addition of the granulated polymer of thermoelastoplastic class to the heated to 125-140 C hydrocarbon solvent of cation-active surface-active substance of the group of penazoline based on alkylimidozalines, stirring to the homogeneous state at amount of surface-active substance 0.5-1.2 of polymer mass. Then polymer solution is added to bitumen at heating and stirring to the homogeneous state. EFFECT: improved method of producing. 2 tbl