A new family of concrete admixture additives can be derived from reacting
a mixture of olefins/cyclic olefins-maleic anhydride copolymers and
methoxy polyethylene glycol amines and/or polyethylene glycol monoalkyl
ethers, or a mixture of styrene-maleic anhydride copolymers and methoxy
polyethylene glycol amines and/or polyethylene glycol monoalkyl ethers,
or a mixture of styrene-olefins/cyclic olefins-maleic anhydride
terpolymers and methoxy polyethylene glycol amines and/or polyethylene
glycol monoalkyl ethers. These reactions lead to formation of a kind of
carboxylic salt containing polymer, which can be used alone in concrete.
Only a small amount of this substance is needed to provide excellent
water reduction, high concrete flowability and high early strength.