Patent US3678018A successfully refreshed from Google Patents.
US3678018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur-curable olefinic copolymers and method for producing the same
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1969-02-10
•
Granted: 1972-07-18
•
Expires: 1989-02-10
Abstract
Abstract A sulfur-curable olefinic copolymer consisting essentially of 1. AT LEAST ONE 2-NORBORNENE COMPOUND HAVING AT THE FIFTH POSITION OF THE NORBORNENE NUCLEUS A HYDROCARBON GROUP CONTAINING AT LEAST 3 TO 200 ACYCLIC AND NON-CONJUGATED CARBONCARBON DOUBLE BONDS, AND 2. AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND Alpha -OLEFIN HAVING THREE TO 20 CARBON ATOMS. This sulfur-curable olefinic copolymer has excellent cocurability with a diene rubber and produced by contacting said 2norbornene component and ethylene and/or said Alpha olefin with a catalyst consisting essentially of an organoaluminum compound and a member selected from the group consisting of a vanadium compound having at least trivalencies and a titanium compound having at least trivalencies.
Inventors
- 👤 Seimei Yasui
- 👤 Masaaki Hirooka
- 👤 Teruo Oshima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:08
CPC Classifications
C; C08; C08F; C08F210/00; C07; C07C; C07C2602/00; C07C2602/36; C07C2602/42
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
30 words
AT LEAST ONE 2-NORBORNENE COMPOUND HAVING AT THE FIFTH POSITION OF THE NORBORNENE NUCLEUS A HYDROCARBON GROUP CONTAINING AT LEAST 3 TO 200 ACYCLIC AND NON-CONJUGATED CARBON-CARBON DOUBLE BONDS, AND
Claim 2
Dependent Claim
30 words
AT LEAST ONE 2-NORBORNENE COMPOUND HAVING AT THE FIFTH POSITION OF THE NORBORNENE NUCLEUS A HYDROCARBON GROUP CONTAINING AT LEAST 3 TO 200 ACYCLIC AND NON-CONJUGATED CARBON-CARBON DOUBLE BONDS, AND
Claim 3
Dependent Claim
75 words
AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND A-OLEFIN HAVING THREE TO 20 CARBON ATOMS. THIS SULFUR-CURABLE OLEFINIC COPOLYMER HAS EXCELLENT COCURABILITY WITH A DIENE RUBBER AND PRODUCED BY CONTACTING SAID 2-NORBORNENE COMPONENT AND ETHYLENE AND/OR SAID AOLEFIN WITH A CATALYST CONSISTING ESSENTIALLY OF AN ORGANOALUMINUM COMPOUND AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF A VANADIUM COMPOUND HAVING AT LEAST TRIVALENCIES AND A TITANIUM COMPOUND HAVING AT LEAST TRIVALENCIES.
Claim 4
Dependent Claim
75 words
AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND A-OLEFIN HAVING THREE TO 20 CARBON ATOMS. THIS SULFUR-CURABLE OLEFINIC COPOLYMER HAS EXCELLENT COCURABILITY WITH A DIENE RUBBER AND PRODUCED BY CONTACTING SAID 2-NORBORNENE COMPONENT AND ETHYLENE AND/OR SAID AOLEFIN WITH A CATALYST CONSISTING ESSENTIALLY OF AN ORGANOALUMINUM COMPOUND AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF A VANADIUM COMPOUND HAVING AT LEAST TRIVALENCIES AND A TITANIUM COMPOUND HAVING AT LEAST TRIVALENCIES.
Claim 5
Dependent Claim
20 words
at least one member selected from the group consisting of ethylene and Alpha -olefin having three to 20 carbon atoms.
Claim 6
Dependent Claim
20 words
at least one member selected from the group consisting of ethylene and Alpha -olefin having three to 20 carbon atoms.
Claim 7
Dependent Claim
46 words
A copolymer according to claim 1 wherein said 2-norbornene compound is produced by reaction of a 2-norbornene compound having at the fifth position of the norbornene nucleus a halogen or a halogenated hydrocarbon group with a conjugated diene and an alkali metal or an organoalkalimetal compound.
Claim 8
Dependent Claim
95 words
at least one member selected from the group consisting of ethylene and Alpha -olefin having three to 20 carbon atoms, with a catalyst derived, as essential constituents, from an organoaluminum compound and at least one member selected from the group consisting of a vanadium compound and a titanium compound, both the vanadium atom and the titanium atom having at least trivalencies, wherein the ratio of the organoaluminum compound to at least one member selected from the group consisting of the vanadium compound and titanium compound is 1 : 1 through 10,000 : 1 by mole.
Claim 9
Dependent Claim
95 words
at least one member selected from the group consisting of ethylene and Alpha -olefin having three to 20 carbon atoms, with a catalyst derived, as essential constituents, from an organoaluminum compound and at least one member selected from the group consisting of a vanadium compound and a titanium compound, both the vanadium atom and the titanium atom having at least trivalencies, wherein the ratio of the organoaluminum compound to at least one member selected from the group consisting of the vanadium compound and titanium compound is 1 : 1 through 10,000 : 1 by mole.
Claim 10
Dependent Claim
47 words
A copolymer according to claim 1 wherein said 2-norbornene compound is produced by reaction of a 2-norbornene compound having at the fifth position of the norbornene nucleus a halogen or a halogenated hydrocarbon group with an acyclic polyene having an alkali metal at the terminal position thereof.
Claim 11
Dependent Claim
43 words
A sulfur-curable amorphous olefinic copolymer according to claim 1, wherein the copolymer consists of 0.1 to 20 percent by mole of the 2-norbornene component, 5 to 95 percent by mole of ethylene, and 95 to 5 percent by mole of the Alpha -olefin.
Claim 12
Dependent Claim
44 words
A sulfur-curable amorphous olefinic amorphous copolymer according to claim 1, wherein the copolymer consists of 0.1 to 10 percent by mole of the 2-norbornene component, 5 to 85 percent by mole of ethylene and 20 to 95 percent by mole of the Alpha -olefin.
Claim 13
Dependent Claim
28 words
A sulfur-curable amorphous olefinic copolymer according to claim 1, wherein the side chain of the 2-norbornene component has a residue of a polymer of aliphatic conjugated diene compounds.
Claim 14
Dependent Claim
15 words
A sulfur-curable amorphous olefinic copolymer according to claim 1, wherein the Alpha -olefin is propylene.
Claim 15
Independent Claim
11 words
A method for producing a sulfur-curable olefinic copolymer, which comprises contacting
Claim 16
Independent Claim
11 words
A method for producing a sulfur-curable olefinic copolymer, which comprises contacting
Claim 17
Dependent Claim
46 words
A method according to claim 8 wherein said 2-norbornene compound is produced by reaction of a 2-norbornene compound having at the fifth position of the norbornene nucleus a halogen or a halogenated hydrocarbon group with a conjugated diene and an alkali metal or an organoalkalimetal compound.
Claim 18
Dependent Claim
46 words
A method according to claim 8 wherein said 2-norbornene compound is produced by reaction of a 2-norbornene compound having at the fifth position of the norbornene nucleus a halogen or halogenated hydrocarbon group with an acyclic polyene having an alkali metal at the terminal position thereof.
Claim 19
Dependent Claim
29 words
A method according to claim 8, wherein the 2-norbornene component has at the fifth position of the norbornene nucleus a side chain having 3 to 200 carbon-carbon double bonds.
Claim 20
Dependent Claim
48 words
A method according to claim 8, wherein the organo-aluminum compound is a compound represented by the formula, Al R''''''nX3 n wherein R'''''' is a hydrocarbon group having one to 20 carbon atoms; X is a halogen atom; and n is a number of 1, 1.5, 2 or 3.
Claim 21
Dependent Claim
31 words
A method according to claim 8, wherein the reaction is conducted at a temperature of From -78* to 100* C. under a pressure condition ranging from a vacuum to 100 kg/cm2.
References Cited (Backward Citations)
US3527739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |