EP0229408B1
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EP
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Novel catalyst compositions and process for the copolymerization of ethene with carbon monoxide
Assignee: Shell Internationale Research Maatschappij BV
•
Filing: 1986-11-19
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Granted: 1991-01-09
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Expires: 2006-11-19
Abstract
No abstract record available.
Inventors
- 👤 Eit Drent
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 23:43
CPC Classifications
C; C08; C08G; C08G67/00; C08G67/02
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
101 words
Process for the copolymerisation of carbon monoxide with ethene and/or styrene and/or dicyclopentadiene and optionally also another olefinically unsaturated hydrocarbon in the presence of a catalyst composition comprising a) a palladium compound, b) an anion of an acid with a pka of less than 4, with the proviso that the acid is not a hydrohalogenic acid, and c) a nitrogen bidentate ligand of the general formula wherein X and Y represent the same or different organic bridging groups, each containing three or four atoms in the bridge at least two of which are carbon atoms, and optionally, d) an organic oxidant.
Claim 2
Dependent Claim
101 words
Process for the copolymerisation of carbon monoxide with ethene and/or styrene and/or dicyclopentadiene and optionally also another olefinically unsaturated hydrocarbon in the presence of a catalyst composition comprising a) a palladium compound, b) an anion of an acid with a pka of less than 4, with the proviso that the acid is not a hydrohalogenic acid, and c) a nitrogen bidentate ligand of the general formula wherein X and Y represent the same or different organic bridging groups, each containing three or four atoms in the bridge at least two of which are carbon atoms, and optionally, d) an organic oxidant.
Claim 3
Dependent Claim
21 words
Process as claimed in claim 1, characterized in that a) is a palladium salt of a carboxylic acid, preferably palladium acetate.
Claim 4
Dependent Claim
32 words
Process as claimed in claim 1 or 2, characterised in that b) is an anion of a sulphonic acid, such as para-toluenesulphonic acid or of a carboxylic acid, such as trifluoroacetic acid.
Claim 5
Dependent Claim
42 words
Process as claimed in one or more of claims 1-3, characterized in that in the catalyst composition at least part of b) is present as an anion of a metal salt chosen from Ni, Cu, Fe, Co, Cr, Mn and V salts.
Claim 6
Dependent Claim
31 words
Process as claimed in any one of claims 1-4, characterized in that in the catalyst composition component b) is present in a quantity of 1.0-100 equivalents per gram atom of palladium.
Claim 7
Dependent Claim
31 words
Process as claimed in any one of claims 1-5, characterized in that in the catalyst composition component c) is present in a quantity of 1-50 mol per mol of palladium compound.
Claim 8
Dependent Claim
29 words
Process as claimed in any one of claims 1-6, characterized in that the bridging groups X and Y present in component c) of the catalyst composition are the same.
Claim 9
Dependent Claim
33 words
Process as claimed in any one of claims 1-7, characterized in that c) is a 2,2ʹ-bipyridine which may or may not be substituted or a 1,10-phenanthroline which may or may not be substituted.
Claim 10
Dependent Claim
73 words
Process as claimed in any one of claims 1-8, characterized in that, in addition to carbon monoxide and ethene, the monomer mixture from which the polymers are prepared comprises one or more hydrocarbons of the general formula CHR₁=CHR₂, wherein either one of the groups R₁ and R₂ represents an alkyl group while the other is hydrogen or also an alkyl group, the groups R₁ and R₂ together containing fewer than 18 carbon atoms.
Claim 11
Dependent Claim
27 words
Process as claimed in claim 9, characterized in that, in addition to carbon monoxide and ethene, the monomer mixture from which the polymers are prepared comprises propene.
Claim 12
Dependent Claim
35 words
Process as claimed in any one of claims 1-10, characterized in that in the mixture to be polymerized the molar ratio of the olefinically unsaturated hydrocarbons relative to carbon monoxide is from 10:1 to 1:5.
Claim 13
Dependent Claim
29 words
Process as claimed in any one of claims 1 to 9, characterized in that it is carried out at a temperature of 30-150°C and a pressure of 20-100 bar.
Claim 14
Dependent Claim
104 words
Catalyst compositions, characterized in that they comprise a) a palladium compound, b) an anion of an acid with a pka of less than 4, with the proviso that it is not a hydrohalogenic acid, at least part of which anion is present in a metal salt chosen from the group formed by Ni, Cu, Fe, Co, Cr, Mn and V salts, c) a nitrogen bidentate ligand of the general formula wherein X and Y represent the same or different bridging groups, each containing three or four atoms in the bridge at least two of which are carbon atoms, and optionally, d) an organic oxidant.
Claim 15
Dependent Claim
104 words
Catalyst compositions, characterized in that they comprise a) a palladium compound, b) an anion of an acid with a pka of less than 4, with the proviso that it is not a hydrohalogenic acid, at least part of which anion is present in a metal salt chosen from the group formed by Ni, Cu, Fe, Co, Cr, Mn and V salts, c) a nitrogen bidentate ligand of the general formula wherein X and Y represent the same or different bridging groups, each containing three or four atoms in the bridge at least two of which are carbon atoms, and optionally, d) an organic oxidant.
Claim 16
Dependent Claim
8 words
Linear alternating copolymers of carbon monoxide and styrene.
Claim 17
Dependent Claim
8 words
Linear alternating copolymers of carbon monoxide and styrene.
Claim 18
Dependent Claim
10 words
Linear alternating terpolymers of carbon monoxide, styrene and an alpha-olefin.
Claim 19
Dependent Claim
10 words
Linear alternating terpolymers of carbon monoxide, styrene and an alpha-olefin.
Claim 20
Dependent Claim
15 words
Terpolymers as claimed in claim 15, characterised in that the alpha-olefin is ethene or 1-hexene.
Claim 21
Dependent Claim
11 words
Linear alternating terpolymers of carbon monoxide, styrene and an alkyl-substituted styrene.
Claim 22
Dependent Claim
11 words
Linear alternating terpolymers of carbon monoxide, styrene and an alkyl-substituted styrene.
Claim 23
Dependent Claim
14 words
Terpolymers as claimed in claim 17, characterised in that the alkyl-substituted styrene is para-ethylstyrene.
Claim 24
Dependent Claim
8 words
Linear alternating copolymers of carbon monoxide and dicyclopentadiene.
Claim 25
Dependent Claim
8 words
Linear alternating copolymers of carbon monoxide and dicyclopentadiene.
Claim 26
Dependent Claim
7 words
Cross-linked copolymers of carbon monoxide and norbornadiene.
Claim 27
Dependent Claim
7 words
Cross-linked copolymers of carbon monoxide and norbornadiene.
References Cited (Backward Citations)
No citation records indexed.
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