Dry mortar mixture

Details Dry mortar mixture Dry mortar mixture

1989-10-04

1991-01-15

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106677, 106724, 106795, 106820, C03C 700

Patent

active

049850806

ABSTRACT:
A dry mortar mix based on an inorganic bonding agent and optionally additives, plastics, fibres, and other conventional concrete additives is proposed especially to protect concrete structures and/or to eliminate surface damage to such structures. In addition to the inorganic bonding agent, the dry mortar mix contains a granular additive to increase alkalinity, this having a reaction speed that is a considerably lower than that of the granular bonding agent. This "reserve alkalinity" serves to counteract the diffusion of CO.sub.2 and SO.sub.2 from the air into the concrete, and the damage to the concrete that is attendant on such diffusion.

REFERENCES:
patent: 2254252 (1941-09-01), Wertz
patent: 2516342 (1950-07-01), Randall et al.
patent: 2733995 (1956-02-01), Robinson
patent: 3447937 (1969-06-01), Hersey et al.
patent: 3502490 (1970-03-01), Ware
patent: 3649317 (1972-03-01), Houseknecht
patent: 3942994 (1976-03-01), Murray et al.
patent: 4441944 (1984-04-01), Massey
German Industrial Standard Din 53 445, 1986.
McGraw-Hill Encyclopedia of Science & Technology, vol. 1, p. 222, .COPYRGT.1976.

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