Concrete materials containing high-flowable concrete additives and additives

摘要

The high-flowability concrete additive comprises 10-100 wt% N-vinylacetamide, R₃Is hydrogen or methyl and R⁴Is alkylene of 1 to 4 carbon atoms and X^OneIs CONH or COO and X²Is a hydrogen, an alkali metal, an ammonium salt or an organic ammonium salt.₂= CR³X^OneR⁴SO³X²0-50 wt% of R⁵Is hydrogen or methyl and X³CN, COOR⁶, CONH₂, CONHR⁷, CONR⁸R⁹, COR¹⁰, OCOR¹¹Or OR¹²Wherein R⁶An alkali metal, an ammonium salt, an organic ammonium salt or an alkyl group of 1 to 4 carbon atoms, and R⁷, R⁸And R⁹Is an alkyl group of 1 to 4 carbon atoms, R¹⁰, R¹¹And R¹²/RTI is an alkyl group of 1 to 4 carbon atoms,₂= CR⁵X³Of 0-40 wt% of polymer.