Asphalt composition containing asphalt modifier enhancing viscosity and drainage

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The present invention refers to asphalt modifier 0.1 ∼ 50 parts by weight of asphalt 50 ∼ 100 parts by weight of mixed asphalt composition 4 ∼ 8 92 ∼ 96 weight % weight % mixing a the residence which boils and in method of asphalt mixture, styrene-butadiene-styrene-based radial re-dog qualitative asphalt said base resin mixing 100 parts by weight of a tackifying resin 10 ∼ 60 parts by weight, process oils and mineral, liquid resin and liquid butadiene rubber, polybutene, polyisobutylene, oil substituted functional groups having different electron polarity, selected from oil crf1 specific ligands number 5 ∼ 70 parts by weight of processing aid characterized by special asphalt mixture of asphalt dog qualitative being in office by a rope..