| 摘要 |
Water-proof composition for concrete structure is prepared from animal fat by reacting with alkali, e.g., NaOH, KOH, NH4OH, or Ca(OH)2, to produce alkali metal salt of fatty acid (I), and adding metal oxide, e.g., MgO, CaO, BaO, Fe3O4, Fe2O3, CuO, ZnO, or PbO, polymer emulsion, e.g., homopolymer or copolymer of polyvinyl acetate, polylstyrene, or polyacrylate, and sodium silicate to (I).
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