Aqueous dispersion of sulfo-containing polymers for cement addit

Details Aqueous dispersion of sulfo-containing polymers for cement addit Aqueous dispersion of sulfo-containing polymers for cement addit

1983-05-27

1985-12-10

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524547, 524813, 526287, C08L 4100

Patent

active

045580928

ABSTRACT:
An aqueous plastics dispersion is manufactured by copolymerization of several olefinically unsaturated monomers, one of them at least being free from amide and sulfo groups, one of them at least having an amide group and one of them at least having a sulfo group. Copolymerization is carried out in an aqueous medium under usual conditions. The resulting copolymer has a second order transition temperature of 20.degree. C. at most. The plastics dispersion is compatible with cement and serves as additive in cement-containing building materials.

REFERENCES:
patent: 3255138 (1966-06-01), Kruckenberg et al.
patent: 3689448 (1972-09-01), Berger et al.
patent: 4242242 (1980-12-01), Allen
patent: 4373056 (1983-02-01), Besecke et al.

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