Compositions: coating or plastic – Coating or plastic compositions – Saturating or indurating
Patent
1975-03-05
1977-09-27
Hayes, Lorenzo B.
Compositions: coating or plastic
Coating or plastic compositions
Saturating or indurating
106178, 106181, 106187, 106189, 106193D, C08L 128
Patent
active
040509435
ABSTRACT:
There is disclosed a method of and composition for making exposed aggregate concrete castings which comprises applying a film to the face of the mold or form, comprising a chelating agent to prevent the setting of the cement to a pre-determined depth at the face, whereby the ultimate appearance of the casting is decorative and the removal of the matrix to produce such appearance is effected by water, the penetration of the compound into the face depending on the selection and concentration of various ingredients. A single film only is applied to the form, and the material from which the film is formed includes cellulose ethers, aliphatic hydroxy acid or salts thereof, and one or a mixture of the lower aliphatic alcohols selected from the group methanol, ethanol or iso-proponol or a ketone. A plasticizer is often used as well as an identifying dye.
REFERENCES:
patent: 3043747 (1962-07-01), Long
patent: 3314809 (1967-04-01), Klug
patent: 3347689 (1967-10-01), Futami et al.
patent: 3362847 (1968-01-01), Day
patent: 3943063 (1976-03-01), Morishita et al.
Hayes Lorenzo B.
Robb Frank B.
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