Fire retardant materials and devices including same
This document provides fire retardant materials, including polymers that include pyridinium salt moieties, or a combination thereof, and phosphine oxide moieties. In some cases, fire retardant polymers provided herein have the following structure: where R1 and R6 are each selected consisting of N, wherein R2 and R7 are each negatively charged counterions, where R3, R4, R8, R9, R11, R13, R14, R15, and R16 are each H or a group including one or more carbon molecules, and where R5, R10, and R12 are each groups including one or more carbon molecules.
1. A fire retardant polymer comprising:
a. at least one pyridinium salt moiety; and
b. at least one phosphine oxide moiety.
2. The polymer of claim 1 , wherein the polymer has the following structure:
wherein R1 and R6 are each selected consisting of N;
wherein R2 and R7 are each negatively charged counterions;
wherein R3, R4, R8, R9, R11, R13, R14, R15, and R16 are each selected from the group consisting of H and groups comprising one or more carbon molecules; and
wherein R5, R10, and R12 are any group comprising one or more carbon molecules.
3. The polymer of claim 2 , wherein at least one of R3, R4, R8, R9, R13, R14, R15, and R16 comprises a phenyl group.
4. The polymer of claim 2 , wherein at least one of R10, R11, and R12 comprises a phenyl group.
5. The polymer of claim 2 , wherein R3, R4, R5, R8, R9, R10, R11, and R12 each comprise a phenyl group.
6. The polymer of claim 2 , wherein R3, R4, R5, R8, R9, R10, R11, and R12 each consist of a phenyl group.
7. The polymer of claim 1 , wherein said phosphine oxide moiety comprises at least one phenyl group.
8. The polymer of claim 1 , wherein said phosphine oxide moiety comprises at least two phenyl groups.
9. The polymer of claim 1 , wherein said phosphine oxide moiety comprises at least three phenyl groups.
10. The polymer of claim 1 , wherein said phosphine oxide moiety comprises at least one amine substituted phenyl group.
11. The polymer of claim 1 , wherein said phosphine oxide moiety comprises at least one trifluoromethyl substituted phenyl group.
12. The polymer of claim 1 , wherein said phosphine oxide moiety comprises triphenyl phosphine.
13. The polymer of claim 1 , wherein said pyridinium salt moiety comprises at least two pyridinium salt groups.
14. The polymer of claim 13 , wherein said at least two pyridinium salt groups are bonded together via one or more phenyl groups.
15. The polymer of claim 1 , wherein said pyridinium salt moiety comprises at least one phenyl group.
16. The polymer of claim 15 , wherein said pyridinium salt moiety comprises at least two phenyl groups.
17. The polymer of claim 1 , wherein said pyridinium salt moiety comprises a charged ion selected from the group consisting of:
18. The polymer of claim 2 , wherein R2 and R7 are each independently selected from the group consisting of:
19. The polymer of claim 1 , wherein the polymer is a random copolymer.
20. The polymer of claim 1 , wherein the polymer comprises repeating units each comprising at least one pyridinium salt moiety and at least one phosphine oxide moiety.
21. A construction material comprising the polymer of claim 1 .
22. An insulation comprising the polymer of claim 1 .
23. A medical device comprising the polymer of claim 1 .