Claims
- 1. A process for copolymerizing one or more olefins with carbon monoxide to form an alternating olefin/CO copolymer, comprising polymerizing said olefin(s) and said carbon monoxide in the presence of a heterogeneous catalyst, comprising:
- (a) the solid compound produced from the interaction of
- Pd(O.sub.2 CNEt.sub.2).sub.2 (NHEt.sub.2).sub.2
- with a solid carrier; wherein said solid carrier is an inorganic compound insoluble in usual solvents and has reactive functional groups on its surface
- (b) a ligand which is a mono- or bidentate ligand containing one or two nitrogen or phosphorus atoms capable of binding to Pd through active bonds wherein said monodentate ligand is an aliphatic, cycloaliphatic, or aromatic monophosphine, or an aliphatic or aromatic amine, and wherein said bidentate ligand forms a complex with Pd through both of its heteroatoms; and
- (c) a mineral acid or organic acid having a pKa less than 5.
- 2. The process of claim 1, wherein said olefin is an alpha-olefin.
- 3. The process of claim 1, wherein said polymerizing takes place in a sealed reactor by preliminary charging solvent, catalyst components, and olefin monomer(s), said polymerizing taking place at a temperature of from about 80.degree. C. to about 100.degree. C. at a pressure from about 4.times.10.sup.5 Pa to about 100.times.10.sup.5 Pa, for a period of from 3-9 hours.
- 4. The process of claim 1, wherein said polymerizing takes place in the presence of an alcoholic solvent, and wherein the molar ratio of CO/olefin(s) is from about 5:1 to about 1:5 under a pressure of from about 50.times.10.sup.5 Pa to about 60.times.10.sup.5, at a temperature of from about 70.degree. C. to about 90.degree. C., for a period of from about 4 to about 6 hours.
- 5. The process of claim 1, wherein the amount of catalyst is such that from 10.sup.-2 to 10.sup.-5 gram-atoms Pd are charged per mol of olefin.
- 6. The process of claim 1, wherein said olefin monomer is ethylene.
- 7. The process of claim 2, wherein said olefin monomer is ethylene.
- 8. The process of claim 3, wherein said olefin monomer is ethylene.
- 9. The process of claim 4, wherein said olefin monomer is ethylene.
- 10. The process of claim 5, wherein said olefin monomer is ethylene.
- 11. The process of claim 1, wherein said ligand is 1,3-bis(diphenylphosphino)propane.
- 12. The process of claim 2, wherein said ligand is 1,3-bis(diphenylphosphino)propane.
- 13. The process of claim 3, wherein said ligand is 1,3-bis(diphenylphosphino)propane.
- 14. The process of claim 4, wherein said ligand is 1,3-bis(diphenylphosphino)propane.
- 15. The process of claim 5, wherein said ligand is 1,3-bis(diphenylphosphino)propane.
Priority Claims (1)
Number |
Date |
Country |
Kind |
MI92A0484 |
Mar 1992 |
ITX |
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Parent Case Info
This is a division of application Ser. No. 08/026,022, filed on Mar. 4, 1993, now U.S. Pat. No. 5,314,856.
US Referenced Citations (3)
Divisions (1)
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Number |
Date |
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Parent |
26022 |
Mar 1993 |
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