Compositions: coating or plastic – Coating or plastic compositions – Corrosion inhibiting coating composition
Patent
1982-12-01
1988-01-05
Yarbrough, Amelia Burgess
Compositions: coating or plastic
Coating or plastic compositions
Corrosion inhibiting coating composition
106 23, 10628734, 106309, C09D 1100
Patent
active
047174226
ABSTRACT:
A method of making a composition suitable for application to metal products for anti-scaling purposes or to produce legible markings on said products, said method comprising; providing first and second soluble alkali metal silicate solutions, preferably soluble sodium silicate solutions having silicate ratios of about 2.0 to 2.8 and 3.0 to 3.9, respectively. The two starting solutions are mixed to form a third solution. The cross-linking binder material is added to one of the solutions prior to addition of the other solid materials or to the combined silicate solutions. Finally, the other solids and water as needed are added to provide the above-mentioned composition. Utilizing the two diverse starting solutions provides a final mixture having a lower viscosity than when a single soluble silicate starting solution of equivalent SiO.sub.2 ratio is used. Thus, the water content of the composition may be substantially reduced without increasing the viscosity, thus enabling application of the composition to metal products that are at higher temperatures without flaking of the material from the metal surfaces upon subsequent cooling.
REFERENCES:
patent: 4036655 (1977-07-01), Yamada et al.
patent: 4169735 (1979-10-01), Boberski et al.
Bulletin No. T-17-42, The P.Q. Corporation, Valley Forge, Pa. 19482.
Burgess Yarbrough Amelia
Riesmeyer, III William F.
USX Corporation
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