Oil surface spreading agent

A technology of spreading agent and surfactant, applied in fire prevention equipment and other directions, can solve the problems of the destruction of the earth's ozone layer, environmental pollution, threats to human living environment, etc., and achieve the effect of reducing the use concentration and surface tension.
CN103550897AActive Publication Date: 2014-02-05菏泽建数智能科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
菏泽建数智能科技有限公司
Publication Date
2014-02-05

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Abstract

The invention discloses an oil surface spreading agent containing a fluorine containing surfactant, a hydrocarbon surfactant, an additive and water, wherein the fluorine containing surfactant is a combination of an anionic-type fluorine containing surfactant and a non-ionic or a cationic-type fluorine containing surfactant, and the anionic-type fluorine containing surfactant is an ammonium salt of hexafluoropropylene oxide oligomer, the non-ionic fluorine containing surfactant is a condensation product of the hexafluoropropylene oxide oligomer and a polyol polymer or polyoxyethylene polyoxypropylene ether, the cationic-type fluorine containing surfactant is a quaternary ammonium salt obtained by reacting an amide with methyl iodide, wherein the amide is prepared by concentration of the hexafluoropropylene oxide oligomer and a propane diamine compound; and in the oil surface spreading agent, the anionic-type fluorine containing surfactant concentration is 0.01w% ~ 10.0w%, the non-ionic or the cationic-type hydrocarbon surfactant concentration is 0.01w% ~ 5.0w%, the hydrocarbon surfactant concentration is 0.01w% ~ 20.0w% and the additive concentration is 0.00w% ~ 25.0w%.
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Description

(1) Technical field

[0001] The invention relates to an oil surface spreading agent. (2) Background technology

[0002] When two liquids do not interact with each other, when one liquid a is dropped on the surface of another liquid b, three situations can occur; (1) a droplet sinks to the bottom of liquid b; (2) a The droplet is suspended on the oil surface; (3) a droplet spreads on the surface of liquid b to form a liquid film. The third case is called liquid a spreading on liquid b.

[0003] To make one liquid (such as aqueous solution a) spread on another liquid (such as gasoline b), the spreading condition must be satisfied, that is, the spreading coefficient is greater than zero:

[0004] S a / b =γ b -( a +γ a / b ) > 0 (1)

[0005] where S a / b is the spreading coefficient, γ a , γ b , γ a / b They are the surface tension of aqueous solution a, the surface tension of gasoline b, and the interfacial tension between aqueous solution a and gasoline b [Chemical Rese...

Claims

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