Polyanthrylene materials and methods for their preparation and use
View Patent ↗Compositions containing polyanthrylene and methods of making these compositions are disclosed herein. The polyanthrylene composition can, for example, be used for detection of iron in a sample.
1. A method of making a copolymer, the method comprising:
forming a mixed solution comprising at least one oxidizing agent, at least one co-catalyst and anthracenes;
maintaining the mixed solution under conditions effective to covalently bond two or more anthracenes to form one or more polyanthrylenes; wherein the one or more polyanthrylenes form particles; and
isolating the polyanthrylene particles from the mixed solution,
wherein the one or more polyanthrylenes each independently comprises at least two monomer units each independently represented by a formula selected from the group consisting of Formula I, Formula II, Formula III, Formula IV, Formula V, Formula VI, Formula VII, Formula VIII, Formula IX, Formula X, Formula XI, Formula XII, Formula XIII, Formula XIV, Formula XV, Formula XVI, Formula XVII, and any combination thereof:
wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , R 19 , R 20 , R 21 , R 22 , R 23 , R 24 , R 25 , R 26 , R 27 , R 28 , R 29 , R 30 , R 31 , R 32 , R 33 , R 34 , R 35 , R 36 , R 37 , R 38 , R 39 , R 40 , R 41 , R 42 , R 43 , R 44 , R 45 , R 46 , R 47 , R 48 , R 49 , R 50 , R 51 , R 52 , R 53 , R 54 , R 55 , R 56 , R 57 , R 58 , R 59 , R 60 , R 61 , R 62 , R 63 , R 64 , R 65 , R 66 , R 67 , and R 68 are each independently hydrogen or an electron donating group; and
wherein at least one monomer unit in the one or more polyanthrylenes is not represented by Formula I.
2. The method of claim 1 , wherein the co-catalyst is selected from the group consisting of a nitro-alkane, a halogenated alkane, an alkane, and a mixture thereof.
3. The method of claim 1 , wherein the maintaining step is performed at a temperature of 10° C. to 80° C.
4. The method of claim 1 , wherein at least one of the one or more polyanthrylenes has a molecular formula selected from the group consisting of C 42 H 22 , C 56 H 30 , C 70 H 26 , C 126 H 68 , C 140 H 78 , and C 154 H 84 .
5. The method of claim 1 , wherein at least 90% by weight of a total amount of aromatic organic compounds in the composition are polyanthrylene.
6. The method of claim 1 , wherein the molar ratio of the oxidizing agent to anthracene in the composition is less than or equal to 18:1.
7. The method of claim 6 , wherein the molar ratio of the oxidizing agent to anthracene in the composition is from 7:1 to 9:1.
8. The method of claim 1 , wherein the oxidizing agent is a Lewis acid.
9. The method of claim 8 , wherein the Lewis acid is selected from the group consisting of FeCl 3 , AlCl 3 —CuCl 2 , TiCl 4 , MoCl 5 , SbCl 5 , AsF 5 , and any combination thereof.
10. The method of claim 1 , wherein the co-catalyst is selected from the group consisting of CH 3 NO 2 , CH 2 Cl 2 , n-Hexane, CH 3 CH 2 NO 2 , CH 3 CH 2 Cl 2 , and a mixture thereof.
11. The method of claim 10 , wherein the co-catalyst is CH 3 NO 2 , CH 2 Cl 2 , n-hexane, or a mixture thereof.