Fluorinated surfactant composition
Disclosed is a surfactant composition in which at least one of surface tension and interfacial tension is superior, the composition including a fluorinated surfactant and a phospholipid-based surfactant, and optionally further including a sulfosuccinate-based surfactant.
1. A composition comprising a fluorinated surfactant and a phospholipid-based surfactant, the composition being used as a surfactant, wherein the phospholipid-based surfactant is an amphiphilic gemini compound, wherein the phospholipid-based surfactant is represented by Chemical Formula 2 below:
in Chemical Formula 2,
R 1 is a C1-C22 linear or branched saturated alkyl group;
R 2 , R 3 , and R 4 are same as or different from each other, and are a hydrogen atom or a C1-C3 saturated alkyl group;
X − is a halogen anion; and
Z + is an alkali metal cation.
2. The composition of claim 1 , wherein the fluorinated surfactant is a nonionic surfactant.
3. The composition of claim 2 , wherein the fluorinated surfactant is represented by Chemical Formula 1 below:
Rf—(CH2)y-(CH2CH2O)x-H [Chemical Formula 1]
wherein Rf is a linear or branched perfluorinated alkyl, a number of perfluorinated carbon atoms being 1 to 10,
x is an integer of 1 to 50, and
y is an integer of 1 to 10.
4. The composition of claim 1 , wherein the phospholipid-based surfactant and the fluorinated surfactant are included at a weight ratio of 1:1-50.
5. The composition of claim 4 , wherein the phospholipid-based surfactant and the fluorinated surfactant are included at a weight ratio of 1:2-15.
6. The composition of claim 1 , further comprising a sulfosuccinate-based surfactant.
7. The composition of claim 6 , wherein the composition comprises the fluorinated surfactant, the phospholipid-based surfactant, and the sulfosuccinate-based surfactant at a weight ratio of 1:0.1-3.0:0.1-3.0.
8. The composition of claim 7 , wherein the composition comprises the fluorinated surfactant, the phospholipid-based surfactant, and the sulfosuccinate-based surfactant at a weight ratio of 1:0.1-1.0:0.1-2.0.
9. The composition of claim 6 , wherein the sulfosuccinate-based surfactant is represented by Chemical Formula 3 below:
in Chemical Formula 3,
R 1 and R 2 are same as or different from each other, and are a C1-C22 linear or branched saturated alkyl group; and
Z + is an alkali metal cation.
10. The composition of claim 1 , wherein the composition satisfies at least one of following characteristics:
(a) a surface tension of 27 or less; and
(b) an interfacial tension of 3 or less.
11. The composition of claim 1 , wherein the composition is used as a surfactant in semiconductor or display processing.