EP0283164A2
Expired / Lapsed
EP
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Cyclo-olefinic random copolymer, olefinic random copolymer, and process for producing cyclo-olefinic random copolymers
Assignee: Mitsui Chemicals Inc
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Filing: 1988-03-01
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Granted: —
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Expires: 2008-03-01
Abstract
Abstract A cyclo-olefinic random copolymer composed of an alpha-olefin component having 3 to 20 carbon atoms and a cyclo-olefin component, (i) said copolymer containing 5 to 99 mole% of recurring units derived from said alpha-olefin component having 3 to 20 carbon atoms and 1 to 95 mole% of recurring units derived from said cyclo-olefin component, and (ii) said copolymer having an intrinsic viscosity [η], measured in decalin at 135 °C, of from 0.01 to 10 dl/g; and an olefinic random copolymer composed of (A) an olefin component having 3 to 20 carbon atoms and (B) a cyclic polyene component and as required, (C) a cyclo-olefin component, (i) said copolymer containing 5 to 99 mole% of recurring units derived from said alpha-olefin component (A) having 3 to 20 carbon atoms and 1 to 95 mole% of recurring units derived from said cyclic polyene component (B) and 0 to 90 mole% of recurring units derived from said cyclo-olefin component (C), and (ii) said copolymer having an intrinsic viscosity [η], measured in decalin at 135 °C, of from 0.01 to 10 dl/g; and a process for production thereof. Also provided is a process for producing a cyclo-olefinic random copolymer, which comprises copolymerizing an alpha-olefin and a cyclo-olefin in the presence of a catalyst formed from (A) a compound of a transition metal of Group IVB of the periodic table having as a ligand a multi-dentate coordination compound in which at least two conjugated cycloalkadienyl groups or substituted products thereof are bonded via a lower alkylene group, and (B) an aluminoxane.
Inventors
- 👤 Naoshi Ishimaru
- 👤 Toshiyuki Tsutsui
- 👤 Akinori Toyota
- 👤 Norio Kashiwa
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 09:06
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F232/00; C08F210/00; C08F210/04; C08F210/06; C08F210/14; C08F4/659; C08F4/65912; C08F4/6592; C08F4/65922; C08F4/65927; Y; Y10; Y10S; Y10S526/00; Y10S526/943
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
68 words
A cyclo-olefinic random copolymer derived from an alpha-olefin component having 3 to 20 carbon atoms and a cyclo-olefin component, (i) said copolymer containing 5 to 99 mole% of recurring units derived from said alpha-olefin component and 95 to 1 mole% of recurring units derived from said cyclo-olefin component, and (ii) said copolymer having an intrinsic viscosity [η], measured in decalin 135° C, of from 0.01 to 10 dl/g.
Claim 2
Dependent Claim
68 words
A cyclo-olefinic random copolymer derived from an alpha-olefin component having 3 to 20 carbon atoms and a cyclo-olefin component, (i) said copolymer containing 5 to 99 mole% of recurring units derived from said alpha-olefin component and 95 to 1 mole% of recurring units derived from said cyclo-olefin component, and (ii) said copolymer having an intrinsic viscosity [η], measured in decalin 135° C, of from 0.01 to 10 dl/g.
Claim 3
Dependent Claim
31 words
A copolymer according to claim 1 which contains 15 to 95 mole% of units derived from said alpha-olefin component and 85 to 15 mole% of units derived from said cyclo-olefin component.
Claim 4
Dependent Claim
31 words
A copolymer according to claim 1 which contains 30 to 90 mole% of units derived from said alpha-olefin component and 70 to 10 mole% of units derived from said cyclo-olefin component.
Claim 5
Dependent Claim
26 words
A copolymer according to claim 1, 2 or 3 which has an intrinsic viscosity [η], measured in decalin at 135° C, of 0.05 to 7 dl/g.
Claim 6
Dependent Claim
23 words
A copolymer according to claim 4 which has an intrinsic viscosity [η], measured in decalin at 135° C, of 0.5 to 5 dl/g.
Claim 7
Dependent Claim
30 words
A copolymer according to any one of claims 1 to 5 wherein the alpha-olefin component is propylene or 4-methyl-1-pentene, and the cyclo-olefin component is tetracyclododecene, 2-methyl-1,4,5,8-dimethano-1,2,3,4,4a, 5,8,8a-octahydronaphthalene, norbornene or 5-methyl-2-norbornene.
Claim 8
Dependent Claim
94 words
An olefinic random copolymer derived from (A) an olefin component having 3 to 20 carbon atoms, (B) a cyclic polyene component, and optionally (c) a cyclo-olefin component, (i) said copolymer containing 5 to 99 mole% of recurring units derived from said alpha-olefin component (A) and 95 to 1 mole% of recurring units derived from said cyclic polyene component (B) and 0 to 90 mole% of recurring units derived from said cyclo-olefin component (C), and (ii) said copolymer having an intrinsic viscosity [η], measured in decalin at 135° C, of from 0.01 to 10 dl/g.
Claim 9
Dependent Claim
94 words
An olefinic random copolymer derived from (A) an olefin component having 3 to 20 carbon atoms, (B) a cyclic polyene component, and optionally (c) a cyclo-olefin component, (i) said copolymer containing 5 to 99 mole% of recurring units derived from said alpha-olefin component (A) and 95 to 1 mole% of recurring units derived from said cyclic polyene component (B) and 0 to 90 mole% of recurring units derived from said cyclo-olefin component (C), and (ii) said copolymer having an intrinsic viscosity [η], measured in decalin at 135° C, of from 0.01 to 10 dl/g.
Claim 10
Dependent Claim
40 words
A copolymer according to claim 7 which contains 15 to 95 mole% of units derived from the alpha-olefin component, 85 to 5 mole% of units derived from the cyclic polyene component, and 2 to 80 mole% of the cyclo-olefin component.
Claim 11
Dependent Claim
41 words
A copolymer according to claim 7 which contains 30 to 90 mole% of units derived from the alpha-olefin component (A), 70 to 10 mole% of units derived from the cyclic polyene component, and 5 to 70 mole% of the cyclo-olefin component.
Claim 12
Dependent Claim
26 words
A copolymer according to claim 7, 8 or 9 which has an intrinsic viscosity [η], measured in decalin at 135° C, of 0.05 to 7 dl/g.
Claim 13
Dependent Claim
23 words
A copolymer according to claim 10 which has an intrinsic viscosity [η], measured in decalin at 135° C, of 0.5 to 5 dl/g.
Claim 14
Dependent Claim
36 words
A copolymer according to any one of claims 7 to 11 wherein the alpha-olefin component (A) is propylene, the cyclic polyene component (B) is 5-ethylidene-2-norbornene or 5-vinyl-2-norbornene, and the cyclo-olefin component (C) is tetracyclodecene or norbornene.
Claim 15
Dependent Claim
69 words
A process for producing a cyclo-olefinic random copolymer, which comprises copolymerizing an alpha-olefin and a cyclo-olefin in the presence of a catalyst formed from (A) a compound of a transition metal of Group IVB of the periodic table having as a ligand a multi-dentate coordination compound in which at least two conjugated cycloalkadienyl groups or substituted products thereof are bonded via a lower alkylene group, and (B) an aluminoxane.
Claim 16
Dependent Claim
69 words
A process for producing a cyclo-olefinic random copolymer, which comprises copolymerizing an alpha-olefin and a cyclo-olefin in the presence of a catalyst formed from (A) a compound of a transition metal of Group IVB of the periodic table having as a ligand a multi-dentate coordination compound in which at least two conjugated cycloalkadienyl groups or substituted products thereof are bonded via a lower alkylene group, and (B) an aluminoxane.
Claim 17
Dependent Claim
40 words
A process according to claim 13 wherein the transition metal compound is a zirconium compound containing as a ligand at least two indenyl groups or substituted indenyl groups or partially hydrogenated groups thereof which are bonded via an alkylene group.
Claim 18
Dependent Claim
14 words
A process according to claim 14 wherein the transition metal compound is ethylenebis(indenyl)zirconium dichloride.
Claim 19
Dependent Claim
33 words
A process according to claim 13, 14 or 15 wherein the aluminoxane is represented by the general formula wherein R represents a hydrocarbon group, and m represents an integer of at least 2.
Claim 20
Dependent Claim
24 words
A process according to claim 16 wherein R is a methyl, ethyl or isobutyl group, and m is an integer of at least 5.
Claim 21
Dependent Claim
21 words
A process according to claim 16 wherein R is a methyl group and m is an integer of 5 to 50.
Claim 22
Dependent Claim
34 words
A process according to any one of claims 13 to 18 wherein the alpha-olefin is selected from ethylene, propylene and 4-methyl-1-pentene, and the cyclo-olefin is selected from tetracyclododecene, 2-methyl-1,4,5,8-dimethano-1,2,3,4,4a,5,8,8a-octahydronaphthalene,2,3-dimethyl-1,4,5,8-dimethano-1,2,3,4,4a,5,8, 8a-octahydronaphthalene, 5-methyl-2-norbornene, norbornene and 5-ethylidene-2-norbornene.
References Cited (Backward Citations)
No citation records indexed.
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