Patent EP0949273A1 successfully refreshed from Google Patents.
EP0949273A1
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Modified particles, carrier prepared therefrom, olefin polymerization catalyst component prepared therefrom, olefin polymerization catalyst prepared therefrom, and process for preparing olefin polymer
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1998-08-20
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Granted: —
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Expires: 2018-08-20
Abstract
Abstract Modified particles obtained by contacting dry particles(a) with an organometallic compound(b), and subsequently a compound(c) having a functional group containing active hydrogen or a non-proton donative Lewis basic functional group and an electron attractive group; a carrier comprising said particles; a catalyst component for olefin polymerization comprising said particles; a catalyst for olefin polymerization comprising said particles(A) and a transition metal compound(B), or an additional organometallic compound (C) therewith; and a method for producing an olefin polymer with said catalyst for olefin polymerization. According to the present invention, there is provided a catalyst for polymerizing an olefin giving an olefin polymer excellent in particle properties with a high activity when applied to a slurry polymerization or gas phase polymerization, and a method for producing a olefin polymer using said catalyst.
Inventors
- 👤 Takuya Ohgane
- 👤 Hideki Sato
- 👤 Hiroaki Katayama
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 19:43
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F4/65; C08F4/652; B; B01; B01J; B01J31/00; B01J31/16; B01J31/22; B01J31/2282; B01J31/2295; B01J31/02; B01J31/06; B01J31/069; B01J31/12; B01J31/14; B01J31/143; C08F10/00; B01J2531/00; B01J2531/40; B01J2531/46; B01J2531/48; B01J2531/49; B01J31/122; C08F110/00; C08F110/02; C08F4/619; C08F4/61912; C08F4/6192; C08F4/61922; C08F4/61927; Y; Y10; Y10S; Y10S526/00; Y10S526/943
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
147 words
Modified particles obtained by a method which
comprises contacting dry particles(a), an organometallic
compound(b) represented by the following general formula
(1): R 1 n AX q-n (wherein A represents a metal atom of the 2nd, 12th or 13th
Group of the Periodic Table of Elements; R 1 represents a
hydrocarbon group having 1 to 20 carbon atoms or a
hydrocarbonoxy group having 1 to 20 carbon atoms and a
plurality of R 1 may be the same or different; X represents
a halogen atom or a hydrogen atom and a plurality of X may
be the same or different; n represents a number satisfying
the expression 0 < n ≦ q; and q is a valence number of the
metal atom.), and then a compound (c) having a functional
group containing an active hydrogen or a non-proton
donative Lewis basic functional group, and an electron
attractive group.
Claim 2
Dependent Claim
15 words
Modified particles according to claim 1, wherein the
dry particles (a) are a porous substance.
Claim 3
Dependent Claim
22 words
Modified particles according to claim 1 or 2, wherein
the dry particles (a) are made of an inorganic substance
or organic polymer.
Claim 4
Dependent Claim
24 words
Modified particles according to claim 1 or 2, wherein
the dry particles (a) are made of an inorganic substance
heat-treated at 100 to 1500°C.
Claim 5
Dependent Claim
18 words
Modified particles according to claim 1, 2 or 4,
wherein the dried particles (a) are made of silica.
Claim 6
Dependent Claim
20 words
Modified particles according to claim 5, wherein
the dry particles (a) are made of silica heat-treated at
200 to 800°C.
Claim 7
Dependent Claim
21 words
Modified particles according to claim 1, wherein
the A is a boron atom, aluminum atom or magnesium atom or
zinc atom.
Claim 8
Dependent Claim
16 words
Modified particles according to claim 1, wherein
the A is a boron atom or aluminum atom.
Claim 9
Dependent Claim
13 words
Modified particles according to claim 1, wherein
the A is an aluminum atom.
Claim 10
Dependent Claim
18 words
Modified particles according to any one of claims
1 to 6, wherein the organometallic compound (b) is
trialkylaluminum.
Claim 11
Dependent Claim
30 words
Modified particles according to any one of claims
1 to 10, wherein the functional group containing an active
hydrogen is a hydroxyl group, mercapto group, amino group
or phosphino group.
Claim 12
Dependent Claim
20 words
Modified particles according to any one of claims
1 to 11, wherein the electron attractive group is a halogen
atom.
Claim 13
Dependent Claim
115 words
Modified particles according to any one of claims
1 to 12, wherein the compound (c) having a functional group
containing an active hydrogen or a non-proton donative
Lewis basic functional group, and an electron attractive
group is a compound represented by the following general
formula (2): R 2 m ZH z-m (wherein R 2 represents an electron attractive group or a
group containing an electron attractive group; Z represents
an atom of the 15th or 16th Group of the Periodic Table;
H represents a hydrogen atom; and z represents a valence
of Z, and 2 or 3, provided m is 1 when z is 2 and m is 1
or 2 when z is 3).
Claim 14
Dependent Claim
19 words
Modified particles according to claim 13, wherein
Z is a nitrogen atom, phosphorous atom, oxygen atom or sulfur
atom.
Claim 15
Dependent Claim
15 words
Modified particles according to claim 14, wherein
Z is a nitrogen atom or oxygen atom.
Claim 16
Dependent Claim
31 words
Modified particles according to any one of claims
13 to 15, wherein R 2 is a halogenated alkyl group,
halogenated aryl group, cyanated aryl group, nitrated aryl
group or ester group.
Claim 17
Dependent Claim
19 words
Modified particles according to any one of claims
13 to 16, wherein R 2 is a halogenated hydrocarbon group.
Claim 18
Dependent Claim
18 words
Modified particles according to claim 17, wherein
R 2 is a fluorinated alkyl group or fluorinated aryl group.
Claim 19
Dependent Claim
17 words
Modified particles according to claim 1, wherein
a obtained treated particles after the contact are
isolated .
Claim 20
Dependent Claim
14 words
A carrier comprising the modified particles of any
one of claims 1 to 19.
Claim 21
Dependent Claim
18 words
A catalyst component for olefin polymerization,
comprising the modified particles of any one of claims 1
to 19.
Claim 22
Dependent Claim
25 words
A catalyst for olefin polymerization, prepared by
using the modified particles (A) of any one of claims 1 to
19 and a transition metal compound(B).
Claim 23
Dependent Claim
27 words
A catalyst for olefin polymerization, prepared by
using the modified particles(A) of any one of claims 1 to
19, a transition metal compound(B) and an organometallic
compound(C).
Claim 24
Dependent Claim
23 words
The catalyst for olefin polymerization according
to claim 20 or 23, wherein the transition metal compound
(B) is a metallocene transition metal compound.
Claim 25
Dependent Claim
19 words
The catalyst for olefin polymerization according
to claim 23 or 24, wherein the organometallic compound(C)
is an organoaluminum compound.
Claim 26
Dependent Claim
70 words
The catalyst for olefin polymerization according
to claim 24 or 25, wherein the organometallic compound(C)
is a compound represented by the following general formula
(4): R 4 b AlY 3-b (wherein R 4 represents a hydrocarbon group having 1 to 8
carbon atoms; Al represents an aluminum atom; Y represents
a hydrogen atom and/or a halogen atom; and b represents a
number satisfying the expression 0 < b ≦ 3).
Claim 27
Dependent Claim
49 words
A method for producing an olefin polymer, which
comprises polymerizing an olefin using the catalyst for
olefin polymerization of any one of claims 22 to 26.
28. The method of producing an olefin polymer according to
claim 27, wherein the olefin is a mixture of ethylene and
an α-olefin.
References Cited (Backward Citations)
No citation records indexed.
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