Water treatment membrane having high chlorine resistance and high permeability and method of manufacturing the same

1. A method of manufacturing a water treatment membrane, comprising:

forming an aqueous amine solution layer on a porous support, using an aqueous amine solution including a fluorine compound having an epoxy group in a terminal thereof and an amine compound; and

forming a polyamide layer containing the fluorine compound by bringing an organic solution containing acyl halide into contact with the aqueous amine solution layer.

2. The method of claim 1 , wherein the fluorine compound having the epoxy group in the terminal thereof is a compound represented by the following Chemical Formula 1,

where, R is a C 1-20 alkyl group including a fluorine atom or fluorine,

m is 0 or 1, and

n is an integer of 0 to 10.

3. The method of claim 2 , wherein the R is the C 1-20 alkyl group including 1 to 27 fluorine atoms.

4. The method of claim 2 , wherein the n is an integer of 0 to 5.

5. The method of claim 2 , wherein the compound represented by the Chemical Formula 1 has 4 to 20 carbon atoms in total, therein.

6. The method of claim 1 , wherein the fluorine compound having the epoxy group in the terminal thereof is at least one selected from a group consisting of 2-[(2,2,3,3-tetrafluoropropoxy)methyl]oxirane), 2-{[(2,2,3,3,4,4,5,5-octafluoropentyl)oxy]methyl}oxirane), 2-[(1,1,2,2-tetrafluoroethoxy)methyl]oxirane), and fluorinated mono glycidyl ether.

7. The method of claim 1 , wherein the aqueous amine solution includes the fluorine compound having the epoxy group in the terminal thereof and the amine compound in a mole ratio of 1:1000 to 1:10.

8. A water treatment membrane comprising a porous support and a polyamide layer formed on the porous support,

wherein the polyamide layer includes an interfacial polymer between a fluorine-containing amine compound generated through a reaction between a fluorine compound having an epoxy group in a terminal thereof and an amine compound and an acyl halide compound.

9. The water treatment membrane of claim 8 , wherein the fluorine compound having the epoxy group in the terminal thereof is a compound represented by the following Chemical Formula 1,

where, R is a C 1-20 alkyl group including a fluorine atom or fluorine,

m is 0 or 1, and

n is an integer of 0 to 10.

10. The water treatment membrane of claim 9 , wherein the R is the C 1-20 alkyl group including 1 to 27 fluorine atoms.

11. The water treatment membrane of claim 9 , wherein the n is an integer of 0 to 5.

12. The water treatment membrane of claim 9 , wherein the compound represented by the Chemical Formula 1 has 4 to 20 carbon atoms in total, therein.

13. The water treatment membrane of claim 8 , wherein the fluorine compound having the epoxy group in the terminal thereof is at least one selected from a group consisting of 2-[(2,2,3,3-tetrafluoropropoxy)methyl]oxirane), 2-{[(2,2,3,3,4,4,5,5-octafluoropentyl)oxy]methyl}oxirane), 2-[(1,1,2,2-tetrafluoroethoxy)methyl]oxirane), and fluorinated mono glycidyl ether.

14. The water treatment membrane of claim 8 , wherein the fluorine-containing amine compound is a compound represented by the following Chemical Formula 2,

where, R is a C 1-20 alkyl group including a fluorine atom or fluorine,

m is 0 or 1, and

n is an integer of 0 to 10.

15. A water treatment module comprising at least one water treatment membrane of claim 8 .

16. A water treatment device comprising at least one water treatment module of claim 15 .