# US 10,246,531 B2 · Production method for olefin-based polymer, olefin polymerization catalyst, and olefin-based polymer

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- Number: US 10,246,531 B2
- Document ID: US10246531B2
- Status: Granted
- Kind: B2
- Application number: 15/302,388
- Filed: 2015-04-10
- Published: 2017-01-26
- Granted: 2019-04-02
- Earliest claimed: 2014-04-11
- Assignees: Idemitsu Kosan Co., Ltd.
- Applicants: Idemitsu Kosan Co., Ltd.
- Inventors: Masayuki Nishida; Kanako Samejima
- Web page: https://patentgrep.com/patent/US10246531B2

## CPC

- C08F 110/06: Propene
- C08F 2/38: Polymerisation using regulators, e.g. chain terminating agents {, e.g. telomerisation}
- C08F 4/54: together with other compounds thereof
- C08F 4/6592: containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F 10/00: Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F 4/65908: {in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+}
- C08F 4/65912: {in combination with an organoaluminium compound}
- C08F 2420/07: Heteroatom-substituted Cp, i.e. Cp or analog where at least one of the substituent of the Cp or analog ring is or contains a heteroatom
- C08F 2500/17: Viscosity
- C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

## Abstract

Provided is a production method for an olefin-based polymer, including polymerizing an olefin raw material using (A) a transition metal compound, (B) a boron compound capable of forming an ion pair with the component (A), (C) an organoaluminum compound, and (D) water, a molar ratio [(D)/(A)] of a molar quantity of the component (D) to a molar quantity of a transition metal in the component (A) being 5 or more and 10,000 or less.

## Claims

### Claim 1

A production method for polypropylene, the production method comprising polymerizing propylene in the presence of the following components (A) to (D):
(A) a transition metal compound;
(B) a boron compound capable of forming an ion pair with the component (A);
(C) an organoaluminum compound; and
(D) water,
wherein:
a molar ratio [(D)/(A)] of a molar quantity of the component (D) to a molar quantity of a transition metal in the component (A) is 5 or more and 10,000 or less;
a molar ratio [(D)/(C)] of the molar quantity of the component (D) to a molar quantity of an aluminum atom in the component C) is more than 0 and 0.9 or less;
the transition metal compound (A) is a double crosslinked metallocene complex represented by a formula (I):
M represents a metal element of Groups 3 to 10 of the periodic table or the lanthanoid series;
E1 and E2 each represent a ligand selected from a substituted cyclopentadienyl group, an indenyl group, a substituted indenyl group, a heterocyclopentadienyl group, a substituted heterocyclopentadienyl group, an amide group, a phosphide group, a hydrocarbon group, and a silicon-containing group, form a crosslinked structure via A1 and A2, and may be identical to or different from each other;
X represents a σ-bonding ligand, and when a plurality of X's are present, the plurality of X's may be identical to or different from each other, and X may be crosslinked with any other X, E1, E2, or Y;
Y represents a Lewis base, and when a plurality of Y's are present, the plurality of Y's may be identical to or different from each other, and Y may be crosslinked with any other Y, E1, E2, or X;
A1 and A2 each represent a divalent crosslinking group for bonding two ligands, and each represent a hydrocarbon group having 1 to 20 carbon atoms, a halogen-containing hydrocarbon group having 1 to 20 carbon atoms, a silicon-containing group, a germanium-containing group, a tin-containing group, —O—, —CO—, —S—, —SO2—, —Se—, —NR1—, —PR1—, —P(O)R1—, —BR1—, or —AlR1—, wherein R1 represents a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, or a halogen-containing hydrocarbon group having 1 to 20 carbon atoms, and may be identical to or different from each other;
q represents an integer of from 1 to 5 representing [(valence of M)-2]; and
r represents an integer of from 0 to 3.

### Claim 2 (depends on 1)

The production method according to claim 1, wherein the propylene or a polymerization solvent comprises (N) a nonpolymerizable unsaturated hydrocarbon.

### Claim 3 (depends on 2)

The production method according to claim 2, wherein the nonpolymerizable unsaturated hydrocarbon (N) comprises a disubstituted olefin, a trisubstituted olefin, or a tetrasubstituted olefin represented by the following general formula (i), or an alkyne represented by the following general formula (ii):
wherein:
in the general formula (i),
Ra to Rd each independently represent hydrogen or a hydrocarbon group having 1 or more carbon atoms, provided that at least two or more selected from Ra to Rd each represent the hydrocarbon group having 1 or more carbon atoms; and
Re and Rf each independently represent hydrogen or a hydrocarbon group having 1 or more carbon atoms.

### Claim 4 (depends on 2)

The production method according to claim 2, wherein a molar ratio [(N)/(A)] of a molar quantity of the component (N) to a molar quantity of a transition metal in the component (A) is 500 or more.

### Claim 5 (depends on 1)

The production method according to claim 1, wherein:
the transition metal compound (A) is a double crosslinked metallocene complex represented by a formula (II):
M represents a metal element of Groups 3 to 10 of the periodic table or the lanthanoid series;
X1 represents a σ-bonding ligand, and when a plurality of X1's are present, the plurality of X1's may be identical to or different from each other, and X1 may be crosslinked with any other X1 or Y1;
Y1 represents a Lewis base, and when a plurality of Y1's are present, the plurality of Y1's may be identical to or different from each other, and Y1 may be crosslinked with any other Y1 or X1;
A1 and A2 each represent a divalent crosslinking group for bonding two ligands, and each represent a hydrocarbon group having 1 to 20 carbon atoms, a halogen-containing hydrocarbon group having 1 to 20 carbon atoms, a silicon-containing group, a germanium-containing group, a tin-containing group, —O—, —CO—, —S—, —SO2—, —Se—, —NR1—, —PR1—, —P(O)R1—, —BR1—, or —AlR1—, wherein R1 represents a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, or a halogen-containing hydrocarbon group having 1 to 20 carbon atoms, and may be identical to or different from each other;
R4 to R9 each represent a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, a halogen-containing hydrocarbon group having 1 to 20 carbon atoms, a silicon-containing group, or a hetero atom-containing group, and it is necessary that at least one of R4 to R9 not represent a hydrogen atom:
q represents an integer of from 1 to 5 representing [(valence of M)-2]; and
r represents an integer of from 0 to 3.