Coating composition for thick coating

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 292R, 260 292EP, 260 294R, 260 294UA, 260 296R, 260 296RW, 260 296MM, 260 296TA, C08L 2514

Patent

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041535910

ABSTRACT:
A coating composition for thick coating prepared by adding an aggregate to a coating liquid containing 5 to 40% by weight as SiO.sub.2 of a coloidal silica and 3 to 40% by weight of disolved and/or finely dispersed organic polymer, having an SiO.sub.2 /M.sub.2 O mole ratio (in which M is a monovalent alkali metal atom) of at least 7, and having a viscosity lower than 100 c.p. at 20.degree. C. when kept in the sealed state at 50.degree. C. for 10 days.
Said coating composition being especially suitable for coating of 1-20 kg/m.sup.2 in thickness and storable for a long period of time with an excellent stability, giving a cured coating having high water resistance, good weather resistance, high adhesive strength and no efflorescence in its surface.

REFERENCES:
patent: 3180746 (1965-04-01), Patton et al.
patent: 3895956 (1975-07-01), Yoshida et al.
patent: 4002590 (1977-01-01), Yoshida et al.

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