| 摘要 |
The present invention includes asphalt compounds containing asphalt, process, oil and petroleum solvents and an oil separation prevention agent. The oil separation prevention agent is organic clay in which bentonite or hectorite is added to quaternary ammonium compounds or contains salt compounds including acidic polyester and unsaturated polyamine amide. Therefore, The present invention can provide a dual waterproofing material which is harmless to environments and has improved waterproofness due to improved durability. [Reference numerals] (AA) START;(BB) END;(S21) Coating step;(S22) First bonding step;(S23) Second bonding step;(S24) Waterproof film deposition step |
