Zero slump - loss superplasticizer

Compositions: coating or plastic – Materials or ingredients – Additive materials for inorganic cements which contain a...

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106696, 106724, 106802, 106819, 524 2, 524650, C04B 4000

Patent

active

053623240

ABSTRACT:
A superplasticizing additive for concrete and other cementitious mixes with high retention of workability (low "slump loss") and low air-entraining effect, is made by terpolymers of a) (meth)acrylic acid and its salts, b)polyethyleneglycolmonomethylether-(meth)acrylate and c) polypropyleneglycol-di(meth)acrylate.

REFERENCES:
patent: 4473406 (1984-09-01), Bradley et al.
patent: 4792360 (1988-12-01), Pierce et al.
patent: 5028271 (1991-07-01), Huddleston et al.
patent: 5069721 (1991-12-01), Tamura et al.
patent: 5085701 (1992-02-01), Muller et al.

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