Coatings that reduce flow resistance and turbulent drag at their

Details Coatings that reduce flow resistance and turbulent drag at their Coatings that reduce flow resistance and turbulent drag at their

1976-06-28

1978-05-09

Hayes, Lorenzo B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

114 67R, 260 4595C, 260823, 260830TW, 264122, C08L 6300, B63B 134

Patent

active

040886239

ABSTRACT:
Coating formulations and method of making thereof for reducing the drag or riction encountered at the interface of a soluble drag reduction material coating and the liquid medium such as water in which the coating is being used. This is accomplished by adding various solid water-soluble materials as diluents and viscosity reducers, to a very high molecular weight drag reduction non-ionic polymer such as that of polyethylene oxide. The molded polymer with the added solid water-soluble material has less solubility and viscosity at and contiguous to the coating-water interface than that of the additive-free matrix under similar conditions.

REFERENCES:
patent: 3382831 (1968-05-01), Madison
patent: 3530069 (1970-09-01), O'Neill
patent: 3720216 (1973-03-01), Wartman
patent: 3843589 (1974-10-01), Wartman

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