Claims
- 1. A polyimide-metallo-phthalocyanine having the structural formula: ##STR17## where R' is an aromatic organic radical, the two carbon atoms attached thereto being attached to separate and adjacent carbon atoms in the aromatic radical,
- M is derived from a polyvalent metal or its salt, said polyvalent metal having an atomic number of at least 12 and
- G is an aromatic imide of the formula: ##STR18## wherein Ar is a divalent aromatic organic radical,
- Ar' is a tetravalent aromatic organic radical, the four carbonyl groups being attached directly to separate carbon atoms and each pair of carbonyl groups being attached to adjacent carbon atoms in the Ar' radical, and
- n is a positive integer of at least one.
- 2. The polyimide-metallo-phthalocyanine of claim 1 wherein Ar is selected from the group consisting of ##STR19## and multiples thereof connected to each other by R, wherein R is alkylene of 1 to 3 carbon atoms, ##STR20## -O-, -S-, -CH=CH-, and -SO.sub.2 -, and Ar' is selected from the group consisting of ##STR21##
- 3. The polyimide-phthalocyanine of claim 2 wherein R' is a trivalent, aromatic hydrocarbon of six carbon atoms and n is at least 4.
- 4. The polyimide-metallo-phthalocyanine of claim 2 wherein M is copper.
- 5. The polyimide-metallo-phthalocyanine of claim 2 containing the structural formula: ##STR22## wherein G is as defined in claim 1.
- 6. The polyimide-metallo-phthalocyanine of claim 2 wherein the structural formula is: ##STR23## wherein G is as defined previously.
- 7. A process for preparing a polyimide-metallo-phthalocyanine comprising: reacting, at a temperature in the range of about 180.degree.-300.degree. C, a phthalonitrile-terminated polyimide having the structural formula: ##STR24## wherein Ar is a divalent aromatic organic radical,
- Ar' is a tetravalent aromatic organic radical, the four carbonyl groups being attached directly to separate carbon atoms and each pair of carbonyl groups being attached to adjacent carbon atoms in the Ar' radical,
- R' is an aromatic organic radical, the two cyano groups being ortho in the aromatic radical and
- n is a positive integer of at least 1 with at least one of a polyvalent metal or salt of a polyvalent metal, said metal having an atomic number of at least 12.
- 8. The process of claim 7 wherein 1 mole of phthalonitrile-terminated polyimide is reacted with at least 0.01 mole of the metal or metal salt.
- 9. The process of claim 8 wherein 4 moles of the polyimide are reacted with between one and two moles of the metal or metal salt.
- 10. The process of claim 8 wherein the metal is copper and the salt is cuprous chloride.
- 11. The process of claim 8 wherein Ar is selected from the group consisting of ##STR25## multiples thereof connected to each other by R, wherein R is alkylene of 1 to 3 carbon atoms, ##STR26## Ar' is selected from the group consisting of ##STR27## and R' is ##STR28##
- 12. The process of claim 11 wherein 4 moles of the polyimide are reacted with between one and two moles of the metal or metal salt.
- 13. The process of claim 12 wherein the metal is copper and the salt is cuprous chloride.
- 14. The process of claim 7 wherein the reaction is conducted by heating at a temperature in the range of 180.degree. to 300.degree. C.
- 15. The process of claim 14 wherein the heating of said polyimide and said metal or metal salt is in the presence of a solvent for said polyimide.
- 16. The process of claim 12 wherein the reaction is conducted by heating at a temperature in the range of 180.degree. to 300.degree. C.
- 17. The process of claim 16 wherein the heating of said polyimide and said metal or metal salt is in the presence of a solvent for said polyimide.
RELATIONSHIP TO OTHER APPLICATIONS
This application is a divisional of Ser. No. 514,256, filed Oct. 11, 1974 now U.S. Pat. No. 3,890,274 issued June 17, 1975.
US Referenced Citations (3)
Divisions (1)
|
Number |
Date |
Country |
Parent |
514256 |
Oct 1974 |
|