Components and catalysts for the polymerization of olefins

 

The invention relates to a component of a solid catalyst for polymerization of olefins CH2=chr, where R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising Mg, Ti, halogen and an electron donor selected from substituted succinates formula. When used for the polymerization of olefins, in particular propylene, these components of the catalyst capable of providing a high yield of polymer with a high isotactic index. Succinate selected from formula (I) where the radicals R1and R2the same or different from each other, represent a1-C20linear or branched alkyl-, alkenyl, cycloalkyl-, aryl-, arylalkyl or alcylaryl group, possibly containing heteroatoms; the radicals R3-R6the same or different from each other, represent hydrogen or C1-C20linear or branched alkyl-, cycloalkyl-, aryl-, arylalkyl or alcylaryl group, possibly containing heteroatoms, and the radicals R3-R6attached to the same carbon atom can be linked together, forming a loop, with the proviso that when R3-R5simultaneously represent hydrogen, R6prkr-, aryl-, arylalkyl or alcylaryl groups having from 3 to 20 carbon atoms. Also claimed polymerization catalysts, pre-polymerized catalyst component, the method of (co)polymerization and propylene polymers. 6 C. and 34 C.p. f-crystals, 6 PL.

Description text in facsimile form (see graphic part)e

Claims

1. Component of the solid catalyst for polymerization of olefins CH2=chr, where R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising SB, Ti, halogen and an electron donor selected from succinates formula (I)

where the radicals R1and R2the same or different from each other, represent a1-C20linear or branched alkyl-, alkenyl, cycloalkyl-, aryl-, arylalkyl or alcylaryl group, possibly containing heteroatoms; the radicals R3-R6the same or different from each other, represent hydrogen or C1-C20linear or branched alkyl-, cycloalkyl-, aryl-, arylalkyl or alcylaryl group, possibly containing heteroatoms, and the radicals the ri condition, when R3-R5simultaneously represent hydrogen, R6represents a radical selected from branched primary, secondary or tertiary alkyl groups, cycloalkyl-, aryl-, arylalkyl or alcylaryl groups having 3-20 carbon atoms.

2. Component of the catalyst under item 1, in which the electron-donating compound of the formula (I) are selected from compounds in which R1and R2represents a C1-C8alkyl-, cycloalkyl-, aryl-, arylalkyl and alcylaryl group.

3. The components of the catalyst under item 2, in which R1and R2choose from primary Akilov.

4. Component of the catalyst under item 1, in which the electron-donating compound of the formula (I) are selected from compounds in which R3-R5represent hydrogen, a R6branched alkyl, cycloalkyl, aryl, arylalkyl and alcylaryl radical having 3-10 carbon atoms.

5. Component of catalyst according to p. 4, in which R6is a branched primary alkyl group or cycloalkyl group having 3-10 carbon atoms.

6. Component of the catalyst under item 1, in which the electron-donating compound of the formula (I) are selected from compounds in which at least two lcil-, cycloalkyl-, aryl-, arylalkyl or alcylaryl groups, possibly containing heteroatoms.

7. Component of catalyst according to p. 6, in which the two radical different from hydrogen, are linked to the same carbon atom.

8. Component of catalyst according to p. 6, in which the two radical different from hydrogen, linked to different carbon atoms.

9. Component of the catalyst under item 8, in which the succinate of formula (I) are selected from diethyl-2,3-Diisopropylamine, Diisobutyl-2,3-Diisopropylamine, di-n-butyl-2,3-Diisopropylamine, diethyl-2,3-DICYCLOHEXYL-2-methylsuccinate, Diisobutyl-2,3-DICYCLOHEXYL-2-methylsuccinate, Diisobutyl-2,2-dimethylsuccinic, diethyl-2,2-dimethylsuccinic, diethyl-2-ethyl-2-methylsuccinate, Diisobutyl-2-ethyl-2-methylsuccinate, diethyl-2-(cyclohexylmethyl)-3-ethyl-3-methylsuccinate, Diisobutyl-2-(cyclohexylmethyl)-3-ethyl-3-methylsuccinate.

10. Component of the catalyst according to any one of paragraphs.1-9, in which succinate used in the form of pure stereoisomers.

11. Component of the catalyst according to any one of paragraphs.1-10, in which succinate used in the form of mixtures of enantiomers or a mixture of diastereoisomers and enantiomers.

12. Component of catalyst according to p. 11, in which the diethyl 2,3-Diisopropylamine, Diisobutyl 2,3-Diisopropylamine.

13. Component of the catalyst according to any one of paragraphs.1-12, comprising a compound of titanium, having at least a Ti-halogen bond, and the succinate of formula (I) on the substrate dichloride MD in the active form.

14. Component of catalyst according to p. 10, in which connection titanium is a TiCl4or 1l3.

15. Component of the catalyst according to any one of paragraphs.1-14 optionally includes other electron-donating compound in addition to the succinate of formula (I).

16. Component of the catalyst under item 15, in which the additional electron-donating compound selected from ethers, esters of organic mono - or dicarboxylic acids and amines.

17. Component of catalyst according to p. 16 in which the additional electron-donating compound selected from 1,3-propanedithiol formula (II)

where RI, RII, RIII, RIV, RVand RVIthe same or different from each other, represent hydrogen or hydrocarbon radicals having 1-18 carbon atoms, a RVIIand RVIIIthe same or different from each other, have the same meanings as RI-RVIexcept that they cannot be hydrogen; one or more g is x acids.

18. Component of the catalyst under item 17, in which the additional electron-donating compound selected from phthalates or 1,3-diesters in which RVIIand RVIIIselected from C1-C4alkyl radicals, RIIIand RIVform a condensed unsaturated cycle, a RI, RII, RVand RVI- hydrogen.

19. The catalyst for polymerization of olefins CH2=chr, where R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising the product of reaction between the solid component of catalyst according to any one of paragraphs.1-18; connection alkylamine and possibly one or more electron-donor compounds which are external donor.

20. The catalyst according to p. 19, in which the connection alkylamine represents a connection trialkylamine.

21. The catalyst according to p. 20, in which the connection trialkylamine choose from triethylaluminum, triisobutylaluminum, tri-n-butylamine, tri-n-hexylamine, tri-n-octylamine.

22. The catalyst according to p. 19, in which the external donor is selected from 1,3-diesters of General formula (II)

where RI, RII, RIII, RIV, RVand RVIthe same or different from each other, represent in the s from each other, have the same meanings as RI-RVIexcept that they cannot be hydrogen; one or more groups RI-RVIIIcan be linked, forming a loop.

23. The catalyst according to p. 22, in which the 1,3-diesters selected from compounds in which RVIIand RVIIIselected from C1-C4alkyl radicals, RIIIand RIVform a condensed unsaturated cycle, and RI, RII, RVand RVI- hydrogen.

24. The catalyst p. 23, in which a simple ester of the formula (II) is a 9,9-bis(methoxymethyl)fluorene.

25. The catalyst according to p. 19, in which the external donor is a silicon compound of the formula R7aR8bSi(OR9)withwhere a and b are an integer of 0-2, with an integer of 1-4, and the sum (a+b+C) = 4; R7, R8and R9represents a C1-C18the hydrocarbon groups may contain heteroatoms.

26. The catalyst p. 25, in which a=1, b=1, a c=2.

27. The catalyst p. 25 or 26, in which R7and/or R8represents a branched alkyl-, cycloalkyl or aryl groups with 3-10 carbon atoms, possibly containing heteroatoms, and R9represents C1-C10alkyl group, h is PAP, and R9is stands.

29. The catalyst for polymerization of olefins CH2=chr, where R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising the product of reaction between (1) a solid component of catalyst, including SB, Ti, halogen and an electron donor; (ii) connection alkylamine and (iii) the succinate of formula (I)

where the radicals R1and R2the same or different from each other, represent a1-C20linear or branched alkyl-, alkenyl, cycloalkyl-, aryl-, arylalkyl alcylaryl group, possibly containing heteroatoms; the radicals R3-R6the same or different from each other, represent hydrogen or C1-C20linear or branched alkyl-, cycloalkyl-, aryl-, arylalkyl or alcylaryl group, possibly containing heteroatoms, and the radicals R3-R6attached to the same carbon atom can be linked together to form a cycle; with the proviso that when R3-R5simultaneously represent hydrogen, R6represents a radical selected from branched primary, secondary or tertiary alkyl groups, cycloalkyl-, aryl-, aryl the crystals (I) is chosen from compounds in which at least two radicals of R3-R6different from hydrogen and is selected from C1-C20linear or branched alkyl-, cycloalkyl-, aryl-, arylalkyl or alcylaryl groups, possibly containing heteroatoms.

31. The catalyst p. 30, in which the two radical different from hydrogen, are connected to different carbon atoms.

32. The catalyst according to p. 29, in which the internal donor is selected from ethers, esters of organic mono - or dicarboxylic acids and amines.

33. The catalyst p. 32, in which the internal donor is chosen from 1,3-propanedithiol formula (II)

where RI, RII, RIII, RIV, RVand RVIthe same or different from each other, represent hydrogen or hydrocarbon radicals having 1-18 carbon atoms, and RVIIand RVIIIthe same or different from each other, have the same meanings as RI-RVIexcept that they cannot be hydrogen; one or more groups RI-RVIIIcan be linked, forming a loop, and esters of organic mono - or dicarboxylic acids.

34. The catalyst p. 33, in which the internal donor is selected from ftal and RIVform a condensed unsaturated cycle, and RI, RII, RVand RVIare hydrogen.

35. Pre-polymerized catalyst component for polymerization of olefins CH2=chr, where R is hydrogen or C1-C12alkyl group, characterized in that it includes a solid component of catalyst according to PP.1-10 subjected to preliminary polymerization of the olefin to the extent that the amount of olefin prepolymer is 0.2 to 500 g per 1 g of the solid catalyst component.

36. Pre-polymerized catalyst under item 35, in which the solid component of catalyst is subjected to pre-polymerization of ethylene or propylene.

37. The method of (co)polymerization of olefins CH2=chr, where R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, carried out in the presence of any catalysts for PP.19-36.

38. The method according to p. 37, in which the (co)polymerized olefin selected from ethylene, propene, 1-butene, 4-methyl-1-pentene and 1-hexene.

39. Propylene polymers, characterized in that they have an index polydispersity more than 5, the content of isotactic units, expressed in Pintado, more than 97% and a modulus of elasticity when activity exceeds 5,1, the modulus of elasticity in bending exceeds 2100, and the percentage of propylene units in the form of a pentad exceeding 97,5%.

 

Same patents:

The invention relates to a method for producing a catalyst for polymerization of olefins and method of polymerization of olefin monomers with its use

The invention relates to a method (generowania type in a suspension of liquid monomer) obtain ethylene-propylene elastomers (EP) and ternary ethylene-propylene-diene elastomers (EPDM)

The invention relates to methods of producing ultra-high molecular weight polyethylene (UHMWPE), synthesized in powder form in the conditions of suspension polymerization of ethylene in the environment of a hydrocarbon diluent at temperatures of 40-70oWith the use of supported catalysts ziperovich type

The invention relates to methods of producing polymers-olefins, effectively reducing the hydrodynamic resistance of hydrocarbon liquids and can be used for transporting petroleum products in pipelines

The invention relates to a multistage process for the polymerization of olefins of the formula CH2= CHR where R is hydrogen or alkyl, cycloalkyl or aryl group with 1-10 carbon atoms), carried out in two or more reactors

- olefins and method of reception" target="_blank">

The invention relates to precatalytic compositions suitable for Homo - and copolymerization of olefins and to a method for producing such composition precatalytic

The invention relates to a solid titanium catalyst component for use as a catalyst in the production of homopolymers or copolymers of olefins and to a method for producing a solid titanium catalyst component

The invention relates to an activated catalyst system for the (co)polymerization of alpha-olefins

The invention relates to certain complexes of titanium and zirconium containing one cyclic ligand group with delocalized- ties, with these metal complexes has a formal oxidation state +2

-olefins" target="_blank">

The invention relates to a new class of electron-donating organic silicon compounds for use as electron donor in the deposited catalytic systems of the Ziegler-Natta, especially for such catalytic systems, which have as a carrier of activated anhydrous magnesium chloride, for the polymerization of alpha-olefins

The invention relates to the field of polymerization-olefins

The invention relates to a method for production of homopolymers of ethylene and copolymers of ethylene with a density in the range of up to 0.930 g/cm3and a melt index in the range from 0.15 to 25 g/10 min, measured at of 2.16 kgf and 463 To

The invention relates to methods for macromolecular higher poly-alpha-olefins and catalysts for carrying out the method

The invention relates to methods for macromolecular higher poly-alpha-olefins and catalysts for carrying out the method

The invention relates to a method of polymerization in a loop reaction zone olefin monomer in a liquid diluent with the use of the device for continuous sampling of the suspension product
Up!