Method of preventing surface cracking of portland cement mortar

Details Method of preventing surface cracking of portland cement mortar Method of preventing surface cracking of portland cement mortar

1977-09-30

1979-02-27

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Saturating or indurating

106 90, 260 296S, 427136, C08L 128

Patent

active

041417372

ABSTRACT:
A method for preventing surface cracking of a portland cement mortar or concrete containing a film-forming polymeric modifier, comprising applying onto a fresh, non-cured mortar or concrete surface a substantially continuous coating comprising from about 0.06 to about 1 lb/yd.sup.2 of said mortar or concrete surface of a material selected from the group consisting of polyglycerine, glycerine and mixtures thereof.

REFERENCES:
patent: 2225146 (1940-12-01), Bechtold
patent: 2307741 (1943-01-01), Goldstein et al.
patent: 3663251 (1972-05-01), Moren et al.
patent: 3779971 (1973-12-01), Isenburg et al.
patent: 3814619 (1974-06-01), Kobayashr
patent: 3895953 (1975-07-01), Mehta

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