Claims
- 1. The class of acetylene terminated aspartimides having the general formula: ##STR12## where X is a bond or a divalent radical selected from the group consisting of CH.sub.2, O, S, C.dbd.O, SO.sub.2, C(CH.sub.3).sub.2, C(CF.sub.3).sub.2, ##STR13##
- 2. The class of acetylene terminated aspartimide oligomers having the general formula ##STR14## where n is an integer from one to sixty; X is a divalent radical selected from the group consisting of: ##STR15## and Ar is a divalent radical selected from the group consisting of: ##STR16##
- 3. The class of acetylene terminated aspartimides having the general formula: ##STR17## where X is a bond or a divalent radical selected from the group consisting of CH.sub.2, O, S, C.dbd.O, SO.sub.2, C(CH.sub.3).sub.2, C(CF.sub.3).sub.2, ##STR18##
- 4. The class of acetylene terminated aspartimide oligomers having the general formula: ##STR19## where n is an integer from one to sixty; X is a divalent radical selected from the group consisting of ##STR20## and Ar is a divalent radical selected from the group consisting of: ##STR21##
- 5. An acetylene terminated aspartimide according to claim 1 and any other acetylene terminated oligomer in intimate contact therewith.
- 6. An acetylene terminated aspartimide oligomer according to claim 2 and any other acetylene terminated oligomer in intimate contact therewith.
- 7. A composition according to claim 5 wherein said acetylene terminated oligomer is an acetylene terminated polysulfone having the formula: ##STR22## where i is an integer from three to fifty-nine.
- 8. A composition according to claim 5 wherein said acetylene terminated oligomer is an acetylene terminated polyarylene ether having the following formula: ##STR23## wherein n is an integer representing 3 to 60 repeat units, linkage of the phenylether groups being either meta or para; Ar is a divalent aromatic radical selected from the group consisting of: ##STR24## where X is selected from the group consisting of O.dbd.C and SO.sub.2, and Y is a bond, or is a member selected from the group consisting of O, S, CH.sub.2, C.dbd.O, SO.sub.2, C(CH.sub.3).sub.2, and C(CF.sub.3).sub.2 ; and Ar' is a divalent aromatic radical selected from the group consisting of: ##STR25## wherein X is a bond or is a member selected from the group consisting of: CH.sub.2, O, S, O.dbd.C, SO.sub.2, C(CH.sub.3).sub.2, and C(CF.sub.3).sub.2.
- 9. A composition according to claim 5 wherein said acetylene terminated oligomer is an acetylene terminated phenylquinoxaline oligomer.
- 10. A composition according to claim 5 wherein said acetylene terminated oligomer is an acetylene terminated imide oligomer.
- 11. A composition according to claim 5 wherein said acetylene terminated oligomer is an acetylene terminated ester oligomer.
- 12. An acetylene terminated aspartimide according to claim 3 and any other acetylene terminated oligomer in intimate composition therewith.
- 13. An acetylene terminated aspartimide oligomer according to claim 4 and any other acetylene terminated oligomer in intimate composition therewith.
- 14. A composition according to claim 12 wherein said acetylene terminated oligomer is an acetylene terminated polysulfone having the formula: ##STR26## where i is an integer from three to fifty-nine.
- 15. A composition according to claim 12 wherein said acetylene terminated oligomer is an acetylene terminated polyarylene ether having the following formula: ##STR27## wherein n is an integer representing 3 to 60 repeat units, linkage of the phenylether groups being either meta or para; Ar is a divalent aromatic radical selected from the group consisting of: ##STR28## wherein X is selected from the group consisting of O.dbd.C and SO.sub.2, and Y is a bond, or is a member selected from the group consisting of O, S, CH.sub.2, C.dbd.O, SO.sub.2, C(CH.sub.3).sub.2, and C(CF.sub.3).sub.2 ; and Ar' is a divalent aromatic radical selected from the group consisting of: ##STR29## wherein X is a bond or is selected from the group: CH.sub.2, O, S, C.dbd.O, SO.sub.2, C(CH.sub.3).sub.2, and C(CF.sub.3).sub.2.
- 16. A composition according to claim 12 wherein said acetylene terminated oligomer is an acetylene terminated phenylquinoxaline oligomer.
- 17. A composition according to claim 12 wherein said acetylene terminated oligomer is an acetylene terminated imide oligomer.
- 18. A composition according to claim 12 wherein said acetylene terminated oligomer is an acetylene terminated ester oligomer.
- 19. A process for preparing an acetylene-terminated aspartimide having the formula: ##STR30## where X is a bond or a divalent radical selected from the group consisting of CH.sub.2, O, S, O.dbd.C, SO.sub.2, C(CH.sub.3).sub.2, C(CF.sub.3).sub.2, ##STR31## comprising the steps of: reacting an amino-substituted aromatic acetylene with an aromatic bismaleimide having the formula: ##STR32## in a polar solvent; evaporating said polar solvent; and
- removing all traces of the polar solvent to produce said acetylene-terminated aspartimide.
- 20. A process for preparing acetylene terminated aspartimide oligomers having the formula ##STR33## wherein n is a integer from one to sixty; X is a divalent radical selected from the group consisting of: ##STR34## and Ar is a divalent radical selected from the group consisting of: ##STR35## comprising the steps of: reacting an amino-substituted aromatic acetylene with aromatic bismaleimide oligomers having the formula: ##STR36## in a polar solvent; evaporating said polar solvent; and
- removing all traces of the polar solvent to produce said acetylene-terminated aspartimide.
- 21. A process for preparing an acetylene terminated aspartimide having the formula: ##STR37## wherein X is a bond or a divalent radical selected from the group consisting of: CH.sub.2, O, S, C.dbd.O, SO.sub.2, C(CH.sub.3).sub.2, C(CF.sub.3).sub.2, ##STR38## comprising the steps of: reacting an aromatic diamine having the formula: ##STR39## with an ethynyl containing maleimide having the formula: ##STR40## in a polar solvent; evaporating said polar solvent; and
- removing all traces of the polar solvent to produce said acetylene terminated aspartimide.
- 22. A process for preparing acetylene terminated aspartimide oligomers having the general formula: ##STR41## where n is an integer from one to sixty; X is a divalent radical selected from the group consisting of: ##STR42## and Ar is a divalent radical selected from the group consisting of: ##STR43## comprising the steps of: reacting aromatic diamine oligomers having the formula: ##STR44## with an ethynyl containing maleimide having the formula: ##STR45## in a polar solvent; evaporating said polar solvent; and
- removing all traces of the polar solvent to produce said acetylene terminated aspartimide.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation-in part of U.S. patent application Ser. No. 087,375, filed Aug. 20, 1987, now abandoned.
ORIGIN OF THE INVENTION
The invention described herein was jointly made by employees of the United States Government and contract employees in the performance of work under a NASA Contract and Grant and is subject to the provisions of Public Law 96-517 (35 USC 202) in which the contractor has elected not to retain title and/or the provisions of Section 305 of the National Aeronautics and Space Act of 1958, as amended, Public Law 85-568 (72 Stat. 435; 42 USC 2457).
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3533996 |
Grundschober et al. |
Oct 1970 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
87375 |
Aug 1987 |
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