Sulphur-containing triazine monomer that can be used for the synthesis of a polymer membrane for a fuel cell
A sulphur-containing triazine monomer is provided that can be used in the synthesis of a polymer membrane for a PEM-type fuel cell. The sulphur-containing triazine monomer has a structure corresponding to a formula (I): in which: Tz represents a 1,3,5-triazine nucleus; X 1 and X 2 , which are identical or different, represent S, SO, or SO 2 ; Ar 1 , Ar 2 , Ar 4 and Ar 5 , which are identical or different, represent a substituted or unsubstituted phenylene group; Ar 3 represents a substituted or unsubstituted phenyl group; and Z 1 and Z 2 , which are identical or different, are selected from a group that includes halogens, hydroxyl, alkoxyl, thiol, carboxyl, carboxylates, amine, sulphonamide, acyl chlorides, sulphonyl chlorides, sulphonyl fluorides, isocyanates, and combinations thereof.
1. A sulphur-containing triazine monomer corresponding to a formula (I):
in which:
Tz represents a 1,3,5-triazine nucleus;
X 1 and X 2 , which are identical or different, represent S, SO, or SO 2 ;
Ar 1 , Ar 2 , Ar 4 and Ar 5 , which are identical or different, represent a substituted or unsubstituted phenylene group;
Ar 3 represents a substituted or unsubstituted phenyl group;
Z 1 and Z 2 , which are identical or different, are selected from a group that includes halogens, hydroxyl, alkoxyls, thiol, carboxyls, carboxylates, amino, sulphonamido, acyl chloride, sulphonyl chloride, sulphonyl fluoride, isocyanate, and combinations thereof.
2. The triazine monomer according to claim 1 , wherein Z 1 and Z 2 , which are identical or different, are selected from a group that includes halogens, hydroxyl, thiol, and combinations thereof.
3. The triazine monomer according to claim 2 , wherein the triazine monomer corresponds to a formula (II):
4. The triazine monomer according to claim 2 , wherein Z 1 and Z 2 , which are identical or different, are halogens.
5. The triazine monomer according to claim 4 , wherein the triazine monomer corresponds to a formula (III):
6. The triazine monomer according to claim 4 , wherein the triazine monomer corresponds to a formula (IV):
7. The triazine monomer according to claim 1 , wherein the triazine monomer is a suphonated monomer that includes a sulphonic (—SO 3 H) group or a sulphonate (—SO 3 M) group, in which M represents an alkali metal cation.
8. The triazine monomer according to claim 7 , wherein the sulphonic (—SO 3 H) group or the sulphonate (—SO 3 M) group is carried by a phenyl group or a phenylene group or by at a substituent thereof.
9. A process for synthesizing a triazine polymer, comprising:
performing polycondensation of a triazine monomer corresponding to a formula (I):
in which:
Tz represents a 1,3,5-triazine nucleus;
X 1 and X 2 , which are identical or different, represent S, SO, or SO 2 ;
Ar 1 , Ar 2 , Ar 4 and Ar 5 , which are identical or different, represent a substituted or unsubstituted phenylene group;
Ar a represents a substituted or unsubstituted phenyl group;
Z 1 and Z 2 , which are identical or different, are selected from a group that includes halogens, hydroxyl, alkoxyls, thiol, carboxyls, carboxylates, amino, sulphonamido, acyl chloride, sulphonyl chloride, sulphonyl fluoride, isocyanate, and combinations thereof.
10. A method of manufacturing a PEM-type fuel cell, comprising:
using a triazine monomer or produce a polymer membrane used in the PEM-type fuel cell, wherein the triazine monomer corresponds to a formula (I):
in which:
Tz represents a 1,3,5-triazine nucleus;
X 1 and X 2 , which are identical or different, represent S, SO, or SO 2 ;
Ar 1 , Ar 2 , Ar 4 and Ar 5 , which are identical or different, represent a substituted or unsubstituted phenylene group;
Ar a represents a substituted or unsubstituted phenyl group;
Z 1 and Z 2 , which are identical or different, are selected from a group that includes halogens, hydroxyl, alkoxyls, thiol, carboxyls, carboxylates, amino, sulphonamido, acyl chloride, sulphonyl chloride, sulphonyl fluoride, isocyanate, and combinations thereof.