| abstract |
The present invention relates to a composition comprising (i) from 60 to 89.9% by weight of one or more nonionic ((meth) acrylonitrile) monomers having a glass transition temperature (T g ) of from -20 캜 to 0 캜, (Ii) from 10 to 40% by weight of one or more vinyl aromatic monomers, and (iii) from 0.1 to 2.0% by weight of itaconic acid, methacrylic acid,?,? - unsaturated C 3 to C 6 carboxamido At least one acrylic acid-based emulsion copolymer, which is a copolymerization product of one or more monomers selected from amides of carboxylic acids and mixtures thereof, as component A), wherein said aqueous emulsion copolymer comprises at least one kind of ascorbic acid reducing agent Residue or a monomer (iii) comprising itaconic acid), a two-component composition comprising as a further component B) a high-speed curable dry mixed powder composition of hydraulic cement and high alumina content cement do. |