RU97110092A - CATALYTIC SYSTEM FOR PREPARATION OF THE RUBBER-LIKE COPOLYMER - Google Patents

Claims (13)

1. A method of producing a rubber-like copolymer of ethene, one or more α-olefins, and, optionally, one or more polyunsaturated compounds, where the copolymer has crystallinity at room temperature and above at most 10% (measured by DSC), under the influence of a catalytic system comprising transition metal, and the transition metal is selected from 3-6 groups of the Periodic Table of the Elements, an organometallic compound and, optionally, a promoter, characterized in that the organometallic compound in cat lytic system for use, is a amidokompleks which has the general formula
R _U -Me ¹ -X $\genfrac{}{}{0ex}{}{\text{one}}{\text{V}}$ - (NR ¹ R ² ) _w (I)
where Me ¹ is a metal selected from groups 1, 2, 12 or 13 of the Periodic Table of the Elements, each R separately is a hydrocarbon group containing 1-20 C atoms, NR ¹ R ² is an amide group, in which R ¹ and R ² are connected or not connected by a bridge connection, and are the same or different from each other and represent a hydrogen or hydrocarbon group containing 1-20 C atoms or a group of the general formula MR $\genfrac{}{}{0ex}{}{\text{3}}{\text{3}}$ where M is an element selected from the 14th group of the Periodic Table of the Elements, and each R ³ separately represents hydrogen, a hydrocarbon group containing 1-20 C atoms, or a group containing a heteroatom, the heteroatom being selected from the group consisting of N, O, P, S or halogen, X ¹ is a halogen atom, u + v + w = p; and o <w <p, and p is the valence of Me ¹ . 2. The method according to claim 1, characterized in that Me ¹ is aluminum. 3. The method according to p. 1 or 2, characterized in that X ¹ represents chlorine.  4. Method according to any one of claims. 1 - 3, characterized in that w ≥ 0.5. 5. A method according to any one of claims. 1 to 4, characterized in that the catalytic system also contains an organometallic compound of the following general formula
R $\genfrac{}{}{0ex}{}{\text{four}}{\text{x}}$ -Me ² -X $\genfrac{}{}{0ex}{}{\text{2}}{\text{px}}$ (Ii)
where Me ^{2 is} selected from groups 1, 2, 12 or 13 of the Periodic Table of the Elements, each R ^{4 is} individually hydrogen or a hydrocarbon group containing 1 to 20 C atoms, X ² is a halogen atom, x ≤ p, and p is valency of Me ² . 6. The method according to p. 5, characterized in that Me ² is an aluminum. 7. A method according to any one of Claims 5 or 6, characterized in that X ² is chlorine.  8. The method according to any one of p. 5 or 6, characterized in that in (II) x ≥ 1.  9. The method according to any one of paragraphs. 1-8, characterized in that the transition metal is chosen from group 5.  10. The method according to p. 9, characterized in that the transition metal is a vanadium.  11. A method according to any one of claims. 1-10, characterized in that if a promoter is present, the molar ratio of promoter: transition metal is <4.  12. The method according to p. 11, characterized in that the molar ratio of promoter: transition metal is <2.  13. The rubbery copolymer of ethene, one or more α-olefins and, optionally, one or more polyunsaturated compounds, in which the MWD (determined using SEC-DV) is> 20 and the crystallinity (measured by DSC) at room temperature and above is at most 10% and which is obtained by the method according to any one of items 1 to 12