Compositions: coating or plastic – Coating or plastic compositions – Saturating or indurating
Patent
1983-12-30
1985-06-04
Morris, Theodore
Compositions: coating or plastic
Coating or plastic compositions
Saturating or indurating
10628724, 10628734, 427140, C04B 3100
Patent
active
045212490
ABSTRACT:
An agent and method for modifying a surface layer of hardened cement structures or substrates with use of the agent which comprises in a specified ratio of an alkali silicate solution and a sodium naphthalenesulfonate-formaldehyde condensate. Said agent has an excellent stability and a remarkable permeability into the cement structure to form a deeper strengthened surface layer thereon.
REFERENCES:
patent: 2709661 (1955-05-01), Dietz
patent: 4006030 (1977-02-01), Yoshida et al.
patent: 4345944 (1982-08-01), Kazama et al.
patent: 4443496 (1984-04-01), Obitsu
Hori Takahiro
Koinuma Toyoji
Obitsu Masamichi
Sakaguchi Yuriko
Morris Theodore
Nissan Chemical Industries Ltd.
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