Cement mortar and concrete with a reduced water absorption and a

Details Cement mortar and concrete with a reduced water absorption and a Cement mortar and concrete with a reduced water absorption and a

1987-04-13

1988-08-09

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524555, 524560, 524561, C08K 300

Patent

active

047628677

ABSTRACT:
A cement mortar and concrete having a reduced water absorption and with a density of 2000-2500 kg/m.sup.3, at which it calculated on the amount of cement contains 0.2-10% by weight of a polymer in dispersion form consisting of polymeric particles containing hydropholic monomers from one or more of the groups acrylic monomers, methacrylic monomers and styrene and 1-15% calculated on the total amount of monomers of a methacrylate having an aliphatic chain of 12 or more carbons, preferably stearyl methacrylate.

REFERENCES:
patent: 3256229 (1966-06-01), Janota et al.
patent: 3382139 (1968-05-01), Popkin et al.
patent: 3806571 (1974-04-01), Ronnmark et al.
patent: 3936311 (1976-02-01), Kirst et al.
patent: 3947398 (1976-03-01), Williams
patent: 4043827 (1977-08-01), Bernett
patent: 4197225 (1980-04-01), Emmons et al.

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