B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
22/157, 6/46
B28B 7/00 (2006.01) B22C 3/00 (2006.01) B22C 9/12 (2006.01) B22D 7/06 (2006.01) C04B 35/63 (2006.01) C04B 35/66 (2006.01)
Patent
CA 1048209
ABSTRACT OF THE DISCLOSURE This invention relates to an improved method for preparing a coating composition suitable for coating cast iron mold bases by preventing the adherence of these mold bases to subsequently formed solidified ingots. More specifically, this invention discloses a new hybrid binder for use in the coating composition. This new hybrid binder is prepared by the alkalinization of acid silica sol with an aqueous alkali metal silicate solution.
226198
Reven Frederick V.
Sortwell Edwin T.
Na
Nalco Chemical Company
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