Claims
- 1. A moldable copolyoxadiazole-imide comprising the following repeating structural units: ##STR7## wherein the mole ratio of A to B is about 1:99 to about 99:1 and wherein R is an aliphatic or aromatic radical.
- 2. The copolyoxadiazole-imide of claim 1 wherein R
- --(CH.sub.2).sub.2 --, --(CH.sub.2).sub.6 --, is a divalent aliphatic radical having from about 1 to about 20 carbon atoms.
- 3. The copolyoxadiazole-imide of claim 2 wherein R is selected from the following:
- --(CH.sub.2).sub.2 --, --(CH.sub.2).sub.6 --, ##STR8## or a mixture of I and II, wherein the molar ratio of I to II is about 1:99 to about 99:1.
- 4. The copolyoxadiazole-imide of claim 3 wherein the ratio of I to II is about 1:1.
- 5. The copolyoxadiazole-imide of claim 1 wherein R is a divalent aromatic radical having from about 6 to about 20 carbon atoms.
- 6. The copolyoxadiazole-imide of claim 1 wherein R is selected from the following ##STR9##
- 7. The copolyoxadizole-imide of claim 5 wherein R includes electron withdrawing moieties which prevent the sulfonation of the aromatic ring in oleum reaction medium.
- 8. The copolyoxadiazole-imide of claim 7 wherein the electron withdrawing groups are selected from --SO.sub.2 -- or --NO.sub.2 --.
- 9. The copolyoxadiazole-imide of claim 1 in the form of a felt.
- 10. The copolyoxadiazole-imide of claim 1 in the form of a fiber.
- 11. The copolyoxadiazole-imide of claim 1 in the form of a film.
- 12. The copolyoxadiazole-imide of claim 1 in the form of a laminate.
- 13. The copolyoxadiazole-imide of claim 1 in the form of a molded object.
- 14. A moldable copolyoxadiazole-imide comprising the following repeating structural units: ##STR10## wherein the mole ratio of A to B and C is about 1:99 to about 99:1 and the mole ratio of B to C is about 1:99 to about 99:1 and wherein R is an aliphatic or aromatic radical.
- 15. The copolyoxadiazole-imide of claim 14 wherein R is a divalent aliphatic radical having from about 1 to about 20 carbon atoms.
- 16. The copolyoxadiazole-imide of claim 15 wherein R is selected from the following:
- --(CH.sub.2).sub.2 --, --(CH.sub.2).sub.6 --, ##STR11## or a mixture of I and II, wherein the molar ratio of I to II is about 1:99 to about 99:1.
- 17. The copolyoxadiazole-imide of claim 16 wherein the ratio of I to II is about 1:1.
- 18. The copolyoxadiazole-imide of claim 14 wherein R is a divalent aromatic radical having from about 6 to about 20 carbon atoms.
- 19. The copolyoxadiazole-imide of claim 14 wherein R is selected from the following ##STR12##
- 20. The copolyoxadiazole-imide of claim 18 wherein R includes electron withdrawing drawing moieties which prevent the sulfonation of the aromatic ring in oleum reaction medium.
- 21. The copolyoxadiazole-imide of claim 20 wherein the electron withdrawing groups are selected from --SO.sub.2 -- or --NO.sub.2 --.
- 22. The copolyoxadiazole-imide of claim 14 in the form of a felt.
- 23. The copolyoxadiazole-imide of claim 14 in the form of a fiber.
- 24. The copolyoxadiazole-imide of claim 14 in the form of a film.
- 25. The copolyoxadiazole-imide of claim 14 in the form of a laminate.
- 26. The copolyoxadiazole-imide of claim 14 in the form of a molded object.
- 27. A moldable copolyoxadizole-imide comprising the following repeating structural units: ##STR13## wherein the mole ratio of A to B and D is about 1:99 to about 99:1 and the mole ratio of B to D is about 1:99 to about 99:1 and wherein R is an aliphatic or aromatic radical.
- 28. The copolyoxadiazole-imide of claim 27 wherein R is a divalent aliphatic radical having from about 1 to about 20 carbon atoms.
- 29. The copolyoxadiazole-imide of claim 27 wherein R is selected from the following:
- --(CH.sub.2).sub.2 --, --(CH.sub.2).sub.6 --, ##STR14## or a mixture of I and II, wherein the molar ratio of I to II is about 1:99 to about 99:1.
- 30. The copolyoxadiazole-imide of claim 29 wherein the ratio of I to II is about 1:1.
- 31. The copolyoxadiazole-imide of claim 27 wherein R is a divalent aromatic radical having from about 6 to about 20 carbon atoms.
- 32. The copolyoxadiazole-imide of claim 27 wherein
- R is selected from the following ##STR15##
- 33. The copolyoxadiazole-imide of claim 31 wherein R includes electron withdrawing moieties which prevent the sulfonation of the aromatic ring in oleum reaction medium.
- 34. The copolyoxadiazole-imide of claim 33 wherein the electron withdrawing groups are selected from --SO.sub.2 -- or --NO.sub.2 --.
- 35. The copolyoxadiazole-imide of claim 27 in the form of a felt.
- 36. The copolyoxadiazole-imide of claim 27 in the form of a fiber.
- 37. The copolyoxadiazole-imide of claim 27 in the form of a film.
- 38. The copolyoxadiazole-imide of claim 27 in the form of a laminate.
- 39. The copolyoxadiazole-imide of claim 27 in the form of a molded object.
- 40. A moldable copolyoxadiazole-imide comprising the following repeating structural units: ##STR16## wherein the mole ratio of A to B, C and D is about 1:99 to about 99:1 and the mole ratio of B:C is about 1:99 to about 99:1, the mole ratio of B:D is about 1:99 to about 99:1 and the mole ratio of C:D is about 1:99 to about 99:1 and wherein R is an aliphatic or aromatic radical.
- 41. The copolyoxadiazole-imide of claim 40 wherein R is a divalent aliphatic radical having from about 1 to about 20 carbon atoms.
- 42. The copolyoxadiazole-imide of claim 40 wherein R is selected from the following:
- --(CH.sub.2).sub.2 --, --(CH.sub.2).sub.6 --, ##STR17## or a mixture of I and II, wherein the molar ratio of I to II is about 1:99 to about 99:1.
- 43. The copolyoxadiazole-imide of claim 42 wherein the ratio of I to II is about 1:1.
- 44. The copolyoxadiazole-imide of claim 40 wherein R is a divalent aromatic radical having from about 6 to about 20 carbon atoms.
- 45. The copolyoxadiazole-imide of claim 40 wherein R is selected from the following ##STR18##
- 46. The copolyoxadiazole-imide of claim 44 wherein R includes electron withdrawing moieties which prevent the sulfonation of the aromatic ring in oleum reaction medium.
- 47. The copolyoxadiazole-imide of claim 46 wherein the electron withdrawing groups are selected from --SO.sub.2 -- or --NO.sub.2 --.
- 48. The copolyoxadiazole-imide of claim 46 in the form of a felt.
- 49. The copolyoxadiazole-imide of claim 46 in the form of a fiber.
- 50. The copolyoxadiazole-imide of claim 46 in the form of a film.
- 51. The copolyoxadiazole-imide of claim 46 in the form of a laminate.
- 52. The copolyoxadiazole-imide of claim 46 in the form of a molded object.
BACKGROUND OF THE INVENTION
This is a continuation-in-part application of Ser. No. 424,607 filed Sept. 27, 1982, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4429108 |
Stephens |
Jan 1984 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
424607 |
Sep 1982 |
|