RU2002106424A

RU2002106424A - Copolymers of Ethylene with C3-C12 α-Olefins

Info

Publication number: RU2002106424A
Application number: RU2002106424/04A
Authority: RU
Inventors: Шахрам МИХАН; Дитер ЛИЛГЕ; Гюнтер ШВАЙЕР; Маркус ЭНДЕРС
Original assignee: Базелль Полиолефине Гмбх
Priority date: 1999-08-13
Filing date: 2000-08-01
Publication date: 2003-09-27

Claims

1. Copolymers of ethylene with C ₃ -C ₉ α-olefins, which have a molecular weight distribution of Mw / Mn≤10, a density of from 0.88 to 0.93 g / cm ³ , the content of comonomer from 1 to 40 wt.% And the molecular mass of Mn is more than 150,000 g / mol, and their index of the distribution width of the comonomer composition is more than 70%.

2. Copolymers of ethylene with C ₃ -C ₉ α-olefins according to claim 1, characterized in that their index of the distribution width of the comonomer composition is more than 90%.

3. Copolymers of ethylene with C ₃ -C ₉ α-olefins according to claim 1 or 2, characterized in that the used α-olefins are selected from the group consisting of propene, 1-butene, 1-hexene and 1-octene.

4. Copolymers of ethylene with C ₃ -C ₉ α-olefins according to claims 1 to 3, characterized in that their molecular weight distribution Mw / Mn is between 2 and 4.

5. Copolymers of ethylene with C ₃ -C ₉ α-olefins according to claims 1 to 4, characterized in that the molecular weight of Mn is more than 200,000 g / mol.

6. The method of producing ethylene copolymers according to claims 1-5, characterized in that the method is carried out in the presence of the following components:

(A) substituted complexes of monoindenyl or monofluorenylchrome of general formula I

where the variables have the following meaning:

Y is described by the following general formula II

where Z denotes an unsubstituted, substituted or condensed heteroaromatic cyclic system,

X is independently fluorine, chlorine, bromine, iodine, hydrogen, C ₁ -C ₁₀ alkyl, C ₂ -C ₁₀ alkenyl, C ₆ -C ₂₀ aryl, alkylaryl with 1-10 C atoms in the alkyl radical and 6 -20 C atoms in the aryl residue, NR ⁷ R ⁸ , OR ⁷ , SR ⁷ , SO ₃ R ⁷ , OC (O) R ⁷ , CN, SCN, β-diketonate, CO, BF ₄ -, PF ₆ - or bulk uncoordinated anions, R ¹ -R ^{8 are} independently hydrogen, C ₁ -C ₂₀ alkyl, C ₂ -C ₂₀ alkenyl, C ₆ -C ₂₀ aryl, alkylaryl with 1-10 C-atoms in alkyl residue and 6-20 C atoms in the aryl residue, SiR

\binom{9}{3}

moreover, the organic residues R ¹ -R ⁸ can also be substituted with halogens, and two geminal or vicinal residues R ¹ -R ⁸ can also be associated with a five- or six-membered aromatic or aliphatic ring,

R ⁹ independently represents hydrogen, C ₁ -C ₂₀ alkyl, C ₂ -C ₂₀ alkenyl, C ₆ -C ₂₀ aryl, alkylaryl with 1-10 C atoms in the alkyl radical and 6-20 C atoms in the aryl the remainder, and two geminal residues R ⁹ can also be associated with a five- or six-membered ring, n is 1, 2 or 3, m is 1, 2 or 3, and

(B) if necessary, one or more activator compounds.

7. The method of producing ethylene copolymers according to claim 6, characterized in that in component (A) Z is an unsubstituted or substituted 8- (quinolyl) system and R ¹ -R ⁶ represent hydrogen.

8. The method according to claim 6 or 7, characterized in that as the activator compound (B), a compound selected from the group consisting of aluminoxane, dimethylanilinium tetra-spent fluorophenyl borate, trityl tetra-spent fluorophenyl borate or trispentafluorophenyl borane is used.

9. The polymer mixture, which contains at least one copolymer of ethylene with C ₃ -C ₉ α-olefins according to claims 1-5.

10. The use of copolymers of ethylene with C ₃ -C ₉ α-olefins according to claims 1-5 for the production of fibers, films and molded products.

11. Fibers, films and molded products containing copolymers of ethylene with C ₃ -C ₁₂ α-olefins according to claims 1-5 as the main components.