CN1310963C - Catalyst component for olefin polymerization reaction and catalyst - Google Patents
Catalyst component for olefin polymerization reaction and catalyst Download PDFInfo
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- CN1310963C CN1310963C CNB031405665A CN03140566A CN1310963C CN 1310963 C CN1310963 C CN 1310963C CN B031405665 A CNB031405665 A CN B031405665A CN 03140566 A CN03140566 A CN 03140566A CN 1310963 C CN1310963 C CN 1310963C
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Abstract
The present invention provides a catalyst component for CH2=CHR olefin polymerization reaction, wherein R is hydrogen or an alkyl group or an aryl group of C1 to C6. The catalyst component comprises magnesium, titanium, halogen and an electron donor, wherein the electron donor is selected from at least one glycol ester compound of the general formula; R1 to R4 can be same or different and are hydrogen or straight chain or branched chain alkyl groups of C1 to C10, naphthenic groups of C3 to C10, aryl groups of C6 to C10, and alkaryl groups or aralkyl groups of C7 to C10, but R1, R2, R3 and R4 are not the hydrogen simultaneously; two or more than two groups in R1 to R4 can be mutually bonded to generate one or a plurality of condensed ring structures; R5 and R6 can be the same or different and represent straight chain or branched chain alkyl groups of C1 to C10, a naphthenic groups of C3 to C20, an aryl group of C6 to C20, an alkaryl group of C7 to C20 or an aralkyl group of C7 to C20. The hydrogen on a benzene ring in the aryl group or the alkaryl group or the aralkyl group can be optionally replaced by a halogen atom.
Description
Technical field
The present invention relates to ingredient of solid catalyst of a kind of diol ester compound that contains special construction and preparation method thereof, contain the catalyzer of this ingredient of solid catalyst and this catalyzer at CH
2Application in the=CHR olefinic polyreaction, wherein R is hydrogen or C
1-C
6Alkyl or aryl, special application in propylene polymerization can obtain the polymkeric substance of higher yields, higher isotactic and molecular weight distribution broad.
Technical background
As everyone knows, with magnesium, titanium, halogen and electron donor solid titanium catalyst component, can be used for CH as basal component
2=CHR olefinic polyreaction, particularly in alpha-olefine polymerizing, can obtain the polymkeric substance of higher yields and higher tacticity with 3 carbon or more carbon atoms, wherein the electron donor compound is one of requisite composition in the catalyst component, and along with the development of internal electron donor compound has caused polyolefin catalyst constantly to update.At present, multiple electron donor compound is disclosed in a large number, for example polycarboxylic acid, monocarboxylic ester or multi-carboxylate, acid anhydrides, ketone, monoether or polyether, alcohol, amine etc. and derivative thereof, wherein comparatively commonly used is aromatic carboxylates's class of binary, for example n-butyl phthalate or diisobutyl phthalate etc. can be referring to Chinese patent CN85100997A.
In recent years, the electron donor that people attempt to adopt other compound to be used as in the olefin polymerization catalyst components again uses, for example at Chinese patent CN1042547A and the disclosed catalyst component that is used for olefinic polyreaction of CN1143651A, special 1 of two ether groups that contain have been adopted, the 3-diether compound is as electron donor, 2-sec.-propyl-2-isopentyl-1 for example, 3-Propanal dimethyl acetal, 2,2-diisobutyl-1,3-Propanal dimethyl acetal and 9,9-two (methoxymethyl) fluorenes etc.At the disclosed ingredient of solid catalyst that is used for olefinic polyreaction of Chinese patent CN1054139A, adopted special 1 of two ketone groups that contain, the 3-cyclohexadione compounds is as electron donor, for example 2,2,4,6,6-pentamethyl--3,5-heptadione and 2,2,6,6-tetramethyl--4-3,5-heptadione etc.
Yet, above-mentioned disclosed 1 of two ether groups that contain of above-mentioned employing, the catalyzer that is used for olefinic polymerization of 3-diether compound and the preparation of binary aromatic carboxylic acid's ester compound all exists certain defective in actual applications, and is also narrower as the molecular weight distribution of resulting polymers; And adopting 1, the catalyzer of 3-cyclohexadione compounds is then active and directional property is all lower.
The inventor unexpectedly finds, in olefin polymerization catalysis by using a kind of new diol ester compound that contains special construction as electron donor, can obtain the catalyzer of high comprehensive performance, when being used for propylene polymerization, can obtain gratifying polymerization yield rate, and the stereospecificity of polymkeric substance is higher, and the molecular weight distribution broad of resulting polymers helps the exploitation of the different trades mark of polymkeric substance.
Summary of the invention
One of purpose of the present invention is to provide a kind of CH of being used for
2The catalyst component of=CHR olefinic polyreaction, wherein R is hydrogen or C
1-C
6Alkyl or aryl, this catalyst component comprises magnesium, titanium, halogen and electron donor, this electron donor is selected from least a diol ester compound in the following general formula (I):
R wherein
1-R
4Can be identical or inequality, be hydrogen or C
1-C
10The alkyl of straight or branched, C
3-C
10Cycloalkyl, C
6-C
10Aryl, C
7-C
10Alkaryl or aralkyl, but R
1, R
2, R
3, R
4Be not hydrogen simultaneously; R
1-R
4In two or more groups mutually bonding generate one or several condensed ring structure;
R
5And R
6Can be identical or inequality, represent C
1-C
10Straight or branched alkyl, C
3-C
20Cycloalkyl, C
6-C
20Aryl, C
7-C
20Alkaryl or C
7-C
20Aryl, the benzene ring hydrogen can randomly be replaced by halogen atom in described aryl or alkaryl or the aryl.
In above-mentioned glycol ester general formula compound, preferred R
1, R
2, R
3And R
4In to have a group at least be hydrogen, more preferably, R
1And R
2, R
3And R
4In a group is arranged respectively is hydrogen, and another group is selected from methyl, ethyl, propyl group, sec.-propyl, butyl, the tertiary butyl, phenyl or halogenated phenyl.
In above-mentioned glycol ester general formula compound, preferred R
5And R
6Have at least a group to be selected from methyl, ethyl, propyl group, sec.-propyl, butyl, the tertiary butyl, amyl group, cyclopentyl, cyclohexyl, phenyl, halogenated phenyl, alkyl phenyl, halogenated alkyl phenyl, indenyl, benzyl or phenylethyl in the group; Preferred phenyl, halogenated phenyl, alkyl phenyl or halogenated alkyl phenyl.
More preferably, R
5And R
6Group all is selected from phenyl, halogenated phenyl, alkyl phenyl or halogenated alkyl phenyl.
Suitable examples of compounds includes but not limited to:
1,2-propylene glycol dibenzoate, 1,2-propylene glycol two (Chlorodracylic acid) ester, 1,2-propylene glycol two (m-chlorobenzoic acid) ester, 1,2-propylene glycol two (parabromobenzoic acid) ester, 1,2-propylene glycol two (o-bromobenzoic acid) ester, 1,2-propylene glycol two (p-methylbenzoic acid) ester, 1,2-propylene glycol two (p-tert-butyl benzoic acid) ester, 1,2-propylene glycol two (to butylbenzoic acid) ester, 1,2-propylene glycol phenyl formic acid laurate, 1,2-propylene glycol two laurate 2-methyl isophthalic acids, 2-propylene glycol dibenzoate, the 2-methyl isophthalic acid, 2-propylene glycol two (Chlorodracylic acid) ester, the 2-methyl isophthalic acid, 2-propylene glycol two (m-chlorobenzoic acid) ester, the 2-methyl isophthalic acid, 2-propylene glycol two (parabromobenzoic acid) ester, the 2-methyl isophthalic acid, 2-propylene glycol two (o-bromobenzoic acid) ester, the 2-methyl isophthalic acid, 2-propylene glycol two (p-methylbenzoic acid) ester, the 2-methyl isophthalic acid, 2-propylene glycol two (p-tert-butyl benzoic acid) ester, the 2-methyl isophthalic acid, 2-propylene glycol two (to butylbenzoic acid) ester, the 2-methyl isophthalic acid, 2-propylene glycol phenyl formic acid laurate, the 2-methyl isophthalic acid, 2-propylene glycol two laurates, 1,2-butyleneglycol dibenzoate, the 2-methyl isophthalic acid, 2-butyleneglycol dibenzoate, 2,3-dimethyl-1,2-butyleneglycol dibenzoate, 2,3-dimethyl-1,2-butyleneglycol two Chlorodracylic acid esters, 2,3,3-trimethylammonium-1,2-butyleneglycol dibenzoate, 2,3,3-trimethylammonium-1,2-butyleneglycol two Chlorodracylic acid esters, 1,2-butyleneglycol two Chlorodracylic acid esters, 2,3-butyleneglycol dibenzoate, 2,3-butyleneglycol two o-bromobenzoic acid esters, 2,3-butyleneglycol mesitylenic acid ester, 2,3-butyleneglycol two m-chlorobenzoic acid esters, 2-methyl-2,3-butyleneglycol dibenzoate, 2-methyl-2,3-butyleneglycol two o-bromobenzoic acid esters, 2-methyl-2,3-butyleneglycol mesitylenic acid ester, 2-methyl-2,3-butyleneglycol two m-chlorobenzoic acid esters, 2,3-dimethyl-2,3-butyleneglycol dibenzoate, 2,3-dimethyl-2,3-butyleneglycol two o-bromobenzoic acid esters, 2,3-dimethyl-2,3-butyleneglycol mesitylenic acid ester, 2,3-dimethyl-2,3-butyleneglycol two m-chlorobenzoic acid esters, 2,3-pentanediol dibenzoate, 2-methyl-2,3-pentanediol dibenzoate, 3-methyl-2,3-pentanediol dibenzoate, 4-methyl-2,3-pentanediol dibenzoate, 2,3-dimethyl-2,3-pentanediol dibenzoate, 2,4-dimethyl-2,3-pentanediol dibenzoate, 3,4-dimethyl-2,3-pentanediol dibenzoate, 4,4-dimethyl-2,3-pentanediol dibenzoate, 2,3,4-trimethylammonium-2,3-pentanediol dibenzoate, 2,4,4-trimethylammonium-2,3-pentanediol dibenzoate, 3,4,4-trimethylammonium-2,3-pentanediol dibenzoate, 2,3,4,4-tetramethyl--2,3-pentanediol dibenzoate, 3-ethyl-2,3-pentanediol dibenzoate, 2-methyl 3-ethyl-2,3-pentanediol dibenzoate, 2-methyl 3-ethyl-4-methyl-2,3-pentanediol dibenzoate, 2-methyl 3-ethyl-4,4-dimethyl-2,3-pentanediol dibenzoate, 2,3-hexylene glycol dibenzoate, 2-methyl-2,3-hexylene glycol dibenzoate, 3-methyl-2,3-hexylene glycol dibenzoate, 4-methyl-2,3-hexylene glycol dibenzoate, 5-methyl-2,3-hexylene glycol dibenzoate, 2,3-dimethyl-2,3-hexylene glycol dibenzoate, 2,4-dimethyl-2,3-hexylene glycol dibenzoate, 2,5-dimethyl-2,3-hexylene glycol dibenzoate, 3,4-dimethyl-2,3-hexylene glycol dibenzoate, 3,5-dimethyl-2,3-hexylene glycol dibenzoate, 4,4-dimethyl-2,3-hexylene glycol dibenzoate, 4,5-dimethyl-2,3-hexylene glycol dibenzoate, 5,5-dimethyl-2,3-hexylene glycol dibenzoate, 2,3,4-trimethylammonium-2,3-hexylene glycol dibenzoate, 2,3,5-trimethylammonium-2,3-hexylene glycol dibenzoate, 2,4,4-trimethylammonium-2,3-hexylene glycol dibenzoate, 2,4,5-trimethylammonium-2,3-hexylene glycol dibenzoate, 2,5,5-trimethylammonium-2,3-hexylene glycol dibenzoate, 3,4,4-trimethylammonium-2,3-hexylene glycol dibenzoate, 3,4,5-trimethylammonium-2,3-hexylene glycol dibenzoate, 3,5,5-trimethylammonium-2,3-hexylene glycol dibenzoate, 2,3,4,4-tetramethyl--2,3-hexylene glycol dibenzoate, 2,3,4,5-tetramethyl--2,3-hexylene glycol dibenzoate, 2,3,5,5-tetramethyl--2,3-hexylene glycol dibenzoate, 3-ethyl-2,3-hexylene glycol dibenzoate, 3-propyl group-2,3-hexylene glycol dibenzoate, 3-sec.-propyl-2,3-hexylene glycol dibenzoate, 4-ethyl-2,3-hexylene glycol dibenzoate, 2-methyl-3-ethyl-2,3-hexylene glycol dibenzoate, 2-methyl-4-ethyl-2,3-hexylene glycol dibenzoate, 2-methyl-3-propyl group-2,3-hexylene glycol dibenzoate, 3-methyl-4-ethyl-2,3-hexylene glycol dibenzoate, 3,4-diethyl-2,3-hexylene glycol dibenzoate, 3-propyl group-4-ethyl-2,3-hexylene glycol dibenzoate, 2,4-dimethyl-3-ethyl-2,3-hexylene glycol dibenzoate, 2,5-dimethyl-3-ethyl-2,3-hexylene glycol dibenzoate, 2,4,4-trimethylammonium-3-ethyl-2,3-hexylene glycol dibenzoate, 2,4,5-trimethylammonium-3-ethyl-2,3-hexylene glycol dibenzoate, 2,4-dimethyl-3-ethyl-2,3-hexylene glycol dibenzoate, 2,5-dimethyl-3-propyl group-2,3-hexylene glycol dibenzoate, 2,4,4-trimethylammonium-3-propyl group-2,3-hexylene glycol dibenzoate, 2,5,5-trimethylammonium-3-propyl group-2,3-hexylene glycol dibenzoate, 2,4,5-trimethylammonium-3-propyl group-2,3-hexylene glycol dibenzoate, 2-methyl-3,4-diethyl-2,3-hexylene glycol dibenzoate, 1,2-cyclohexane diol dibenzoate, 1,2-dihydroxy-benzene dibenzoate, 1,2-xylyl alcohol dibenzoate or the like.
Above-mentioned dibasic alcohol ester compound can be synthetic by various reactions, wherein can make corresponding dibasic alcohol carry out esterification and obtain corresponding binary alcohol esters in the presence of corresponding acid or acyl chlorides.
The ingredient of solid catalyst that is used for olefinic polymerization of the present invention preferably comprises titanium compound, magnesium compound and is selected from the have general formula reaction product of diol ester compound of (I).
Wherein used magnesium compound is selected from a kind of by in-oxyl or the halo-oxyl institute metathetical derivative of one of them halogen atom in the hydrate of magnesium dihalide, magnesium dihalide or alcohol adduct and the magnesium dihalide molecular formula, or their mixture.Preferred magnesium dihalide, for example magnesium dichloride, dibrominated magnesium, two magnesium iodides.
It is TiX that wherein used titanium compound can be selected general formula for use
n(OR)
4-nCompound, R is that carbonatoms is 1～20 alkyl in the formula, X is a halogen, n=1～4.For example: titanium tetrachloride, titanium tetrabromide, titanium tetra iodide, four titanium butoxide, purity titanium tetraethoxide, a chlorine triethoxy titanium, dichloro diethoxy titanium, trichlorine one ethanolato-titanium, preferred titanium tetrachloride.
What particularly point out is magnesium compound, preferably is dissolved in the solvent system that contains organic epoxy compounds and organo phosphorous compounds.Wherein organic epoxy compounds comprises at least a in oxide compound, glycidyl ether and the inner ether of 2～8 aliphatics alkene, diolefine or halogenated aliphatic alkene or diolefine of carbonatoms.Particular compound is as oxyethane, propylene oxide, butylene oxide ring, butadiene oxide, butadiene double oxide, epoxy chloropropane, methyl glycidyl ether, diglycidylether, tetrahydrofuran (THF).
Wherein organo phosphorous compounds comprises the hydrocarbyl carbonate or the halo hydrocarbyl carbonate of ortho-phosphoric acid or phosphorous acid, concrete as: ortho-phosphoric acid trimethyl, ortho-phosphoric acid triethyl, ortho-phosphoric acid tri-n-butyl, ortho-phosphoric acid triphenylmethyl methacrylate, trimethyl phosphite, triethyl-phosphite, tributyl phosphate, tricresyl phosphite benzene methyl.
Can select to press the method for stating and prepare ingredient of solid catalyst of the present invention.
At first, magnesium compound is dissolved in the solvent system of being made up of organic epoxy compounds, organo phosphorous compounds and inert diluent, mixes with titanium compound behind the formation homogeneous solution, in the presence of precipitation additive, separate out solids; This solids by using is selected from the propylene glycol ester compound compound of general formula (I) and handles, it is attached on the solids, in case of necessity, with titanium tetrahalide and inert diluent solids is handled again, wherein precipitation additive is a kind of in organic acid anhydride, organic acid, ether, the ketone, or their mixture.Concrete as: diacetyl oxide, Tetra hydro Phthalic anhydride, Succinic anhydried, MALEIC ANHYDRIDE, pyromellitic acid anhydride, acetic acid, propionic acid, butyric acid, vinylformic acid, methacrylic acid, acetone, methylethylketone, benzophenone, methyl ether, ether, propyl ether, butyl ether, amyl ether.
Described each component is in every mole of magnesium halide, organic epoxy compounds is 0.2～10 mole, and organo phosphorous compounds is 0.1～3 mole, and precipitation additive is 0～1.0 mole, titanium compound is 0.5～150 mole, and the diol ester compound of general formula (I) is 0.02～0.4 mole.
According to another kind of method, be to be TiX with general formula
n(OR)
4-nTitanium compound, R is that carbonatoms is 1～20 alkyl in the formula, X is a halogen, n=1～4, preferred TiCl
4, with general formula be MgCl
2The adducts of pROH reacts and the preparation ingredient of solid catalyst.At MgCl
2Among the pROH, p is 0.1 to 6 number, and is preferred 2 to 3.5, and R is the alkyl with 1-18 carbon atom.Adducts can be made spherical by the following method aptly: not with the miscible unreactive hydrocarbons of adducts in the presence of, pure and mild magnesium chloride is mixed, make the rapid chilling of this emulsion, thereby adducts solidified with the form of spheroidal particle.The adducts that so obtains can be directly and the titanium compound reaction, perhaps it can pass through the dealcoholization (80-130 ℃) of thermal control to obtain a kind of adducts in advance before reacting with titanium compound, wherein Chun mole number generally is lower than 3, preferably between 0.1 and 2.7.Can be by adducts (dealcoholysis or itself) be suspended in cold TiCl
4In (general 0 ℃), and with the mixture temperature programming to 80-130 ℃ and under this temperature, kept 0.1-2 hour, carry out reaction with titanium compound.TiCl
4Processing can be carried out once or repeatedly.Using TiCl
4Can add the above-mentioned dibasic alcohol ester compound of general formula the present invention during the processing and handle, this processing also can repeat once or repeatedly.
Another object of the present invention is to provide a kind of CH of being used for
2The catalyzer of=CHR olefinic polyreaction, wherein R is hydrogen or C
1-C
6Alkyl or aryl, comprise the reaction product of following component:
(1) a kind of above-mentioned propylene glycol ester compound that contains magnesium, titanium, halogen and be selected from general formula (I): ingredient of solid catalyst;
(2) alkylaluminium cpd;
(3) randomly, external electron donor component.
Wherein alkylaluminium cpd is that general formula is AlR
nX
3-nCompound, R is a hydrogen in the formula, carbonatoms is 1～20 alkyl, X is a halogen, n is the number of 1＜n≤3; Specifically can be selected from triethyl aluminum, tri-propyl aluminum, three n-butylaluminum, triisobutyl aluminium, tri-n-octylaluminium, triisobutyl aluminium, a hydrogen diethyl aluminum, a hydrogen diisobutyl aluminum, aluminium diethyl monochloride, a chloro-di-isobutyl aluminum, sesquialter ethyl aluminum chloride, ethyl aluminum dichloride, preferred triethyl aluminum, triisobutyl aluminium.
When needing the very high olefin polymer of taxis to use, need to add (3) external electron donor compound, for example general formula is R
nSi (OR)
4-nSilicoorganic compound, 0≤n in the formula≤3, R and R
*Be of the same race or different alkyl, cycloalkyl, aryl, haloalkyl, amido, R also can be halogen or hydrogen atom.For example: trimethylammonium methoxy silane, trimethylethoxysilane, dimethyldimethoxysil,ne, dimethyldiethoxysilane, dimethoxydiphenylsilane, phenylbenzene diethoxy silane, phenyl triethoxysilane, phenyltrimethoxysila,e, vinyltrimethoxy silane, cyclohexyl methyl dimethoxy silane, methyl-t-butyldimethoxysilane, preferred cyclohexyl methyl dimethoxy silane, dimethoxydiphenylsilane.
The ratio between component (1), component (2) and the component (3) wherein, with titanium: aluminium: the molar ratio computing between the silicon is 1: 5～1000: 0～500; Be preferably 1: 25～100: 25～100.
Above-mentioned external electron donor component also can be selected from monobasic or polybasic organic acid ester, for example monobasic or polybasic benzoates.Be preferably the monobasic benzoates.
1 of the also optional self-drifting of above-mentioned external electron donor component (II), 3-two ethers:
R wherein
I, R
II, R
III, R
IV, R
VAnd R
VIIdentical or different, for hydrogen or have the hydrocarbyl group of 1 to 18 carbon atom, and R
VIIAnd R
VIIICan be identical or different, for having the hydrocarbyl group of 1 to 18 carbon atom; R
I-R
VIIIGroup in one or morely can link up into ring.Preferably, R
VIIAnd R
VIIIBe selected from C
1-C
4Alkyl group, R
IIIAnd R
IVForm undersaturated condensed ring, and R
I, R
II, R
V, and R
VIBe hydrogen.For example: 9, two (methoxymethyl) fluorenes of 9-.
The present invention also provides a kind of alkene CH that is used for
2=CHR polymeric method, wherein R is the hydrocarbyl group of hydrogen or 1-12 carbon atom, carries out in the presence of above-mentioned catalyzer or pre-polymerized catalyst.Olefinic polyreaction of the present invention carries out according to known polymerization process, can carry out in liquid phase or gas phase, perhaps also can carry out under the operation of liquid and gas polymerization stage combination.Adopt conventional technology such as slurry process, gas-phase fluidized-bed etc., wherein alkene is selected from ethene, propylene, 1-butylene, 4-methyl-1-pentene and 1-hexene, the equal polymerization of special propylene with or the copolymerization of other alkene of propylene.Be to adopt following reaction conditions preferably:
Polymerization temperature: 0～150 ℃, preferred 60～90 ℃.Catalyzer of the present invention can directly add and be used for polymerization process in the reactor.Perhaps, catalyzer can carry out prepolymerization before adding first polymerization reactor.In the present invention, term " pre-polymerized catalyst " means with the catalyzer of low transforming degree through polymerization procedure.According to the present invention, described pre-polymerized catalyst comprises the prepolymer that above-mentioned ingredient of solid catalyst and alkene carry out the prepolymerization gained, and the pre-polymerization multiple is 0.1-1000g olefin polymer/g ingredient of solid catalyst.
Can adopt the alpha-olefin identical to carry out prepolymerization, wherein carry out prepolymerized alkene and be preferably ethene or propylene with aforementioned alkene.Specifically, particularly preferably be, the mixture that adopts ethene or itself and amount to be up to one or more alpha-olefins of 20mol% carries out prepolymerization.Preferably, the transforming degree of pre-polymerized catalyst components is that about 0.2 gram is to about 500 gram polymkeric substance/gram ingredients of solid catalyst.
The prepolymerization operation can under preferred 0 to the 50 ℃ temperature, be carried out in liquid or in the gas phase at-20 to 80 ℃.Prepolymerization step can be used as online the carrying out of a part in the continuous polymerization technique, or carries out independently in periodical operation.For preparation amount is the polymkeric substance of 0.5-20g/g catalyst component, the batch pre-polymerization of preferred especially catalyzer of the present invention and ethene.Polymerization pressure is 0.01-10MPa.
Catalyzer of the present invention also is applicable to produces polyethylene and ethene and alpha-olefin, as the multipolymer of propylene, butylene, amylene, hexene, octene, 4-methylpentene-1.
It is worthy of note that the present invention is by adopting novel internal electron donor diol ester compound, can obtain the catalyzer of high comprehensive performance, when being used for propylene polymerization, can obtain gratifying polymerization yield rate, and the stereospecificity of polymkeric substance is higher, catalyzer is also better to the susceptibility of hydrogen accent simultaneously, and the molecular weight distribution broad of resulting polymers helps the exploitation of the different trades mark of polymkeric substance.
Embodiment
Embodiment given below is for the present invention is described, rather than limits the invention.
Testing method:
1, fusing point: adopt XT4A micro melting point apparatus (temperature control type).
2, the mensuration of nucleus magnetic resonance: use Bruke dmx300 nuclear magnetic resonance analyser Instrument measuring
1H-NMR (300MHz, solvent C DCl
3, TMS is interior mark, measures temperature 300K).
3, polymericular weight and molecular weight distribution MWD (MWD=Mw/Mn): adopt the gel permeation chromatography method, with PL-GPC220 is that solvent is measured (standard specimen: polystyrene down at 150 ℃ with the trichlorobenzene, flow velocity: 1.0ml/min, pillar: 3 * Plgel 10um M1 * ED-B 300 * 7.5nm).
4, the polymkeric substance degree of isotacticity adopts the heptane extraction process to measure (heptane boiling extracting 6 hours): two gram exsiccant polymer samples, be placed in the extractor with the extracting of boiling heptane after 6 hours, the polymer weight (g) that residuum is dried to the constant weight gained is degree of isotacticity with 2 ratio.
5, the mensuration of infrared spectrum: adopt the MAGNA-IR 760 type infrared spectrometers of NICOLET company, conventional method of analysis.
Synthesizing of diol ester compound
Embodiment 1
1,2-butyleneglycol benzoic ether synthetic
In reactor, add 1,2-butyleneglycol (2.5g), Benzoyl chloride (7.8g), pyridine (8.8g) and tetrahydrofuran (THF) (70ml) mix, and reflux 4 hours.Reduce to room temperature then, in reaction system, add water till inorganic mutually transparent.Tell organic phase, merge with organic phase with the inorganic back mutually of extracted with diethyl ether.After washing organic phase with water, with the organic phase drying, after concentrating, isolate product, obtain the 3.95g product with anhydrous sodium sulphate.
1H-NMR (TMS, CDCl
3, ppm): δ 1.0-1.1 (3H), 1.7-1.9 (2H), 4.4-4.6 (2H), 5.4-5.5 (1H) and 7.4-8.2 (10H).
Embodiment 2
2,3-butyleneglycol benzoic ether synthetic
Synthetic method obtains product 4.4g with preparation embodiment 1.
1H-NMR (TMS, CDCl
3, ppm): 1.4-1.6 (6H), 5.3-5.5 (2H) and 7.4-8.2 (10H).
Embodiment 3
Synthesizing of pyrocatechol dibenzoate
5.5g add the 50ml tetrahydrofuran (THF) in the pyrocatechol, under agitation add the 12.1ml pyridine.Slowly add the 14.5ml Benzoyl chloride after stirring evenly, stirring at room 1h, reflux 4h then.Add the salt that the 70ml water dissolution generates, organic phase is told in the toluene extraction, saturated common salt washing 2 times, anhydrous sodium sulfate drying.Remove and desolvate, get white solid.Use re-crystallizing in ethyl acetate, get white crystal pyrocatechol dibenzoate, yield 94%.m.p.75～77℃。
1NMR (CDCl
3) δ (ppm): 7.35～7.54 (m, 10H, aromatic ring hydrogen), 8.05～8.12 (m, 4H, aromatic ring hydrogen).
The preparation of embodiment 1-3 ingredient of solid catalyst
In through the abundant metathetical reactor of high pure nitrogen, add magnesium chloride 4.8g successively, toluene 95ml, epoxy chloropropane 4ml, tributyl phosphate (TBP) 12.5ml.Be warming up to 50 ℃ under stirring, and kept 2.5 hours, solid dissolves fully.Add Tetra hydro Phthalic anhydride 1.4g, continued to keep 1 hour.Solution is cooled to below-25 ℃, drips TiCl in 1 hour
456ml.Slowly be warming up to 80 ℃, in temperature-rise period, separate out solids gradually.Add preparation embodiment 1-3 synthetic dibasic alcohol ester compound 6mmol respectively, holding temperature 1 hour.After the filtration, add toluene 70ml, the washing secondary obtains solid sediment.Add toluene 60ml then, TiCl
440ml is warmed up to 100 ℃, handles two hours, after the venting filtrate, adds toluene 60ml again, TiCl
440ml is warmed up to 100 ℃, handles venting filtrate two hours.Add toluene 60ml, boiling attitude washing three times adds hexane 60ml again, and boiling attitude washed twice adds hexane 60ml, after the normal temperature washed twice, obtains the ingredient of solid catalyst of embodiment 1-3.
Comparative Examples 1:
The preparation of catalyst component:
With embodiment 1, only electron donor is replaced with the ethylene glycol bisthioglycolate benzoic ether.
Comparative Examples 2:
The preparation of catalyst component:
With embodiment 1, only electron donor is replaced with ethyl benzoate.
Comparative Examples 3:
The preparation of catalyst component:
With embodiment 1, only electron donor is replaced with n-butyl phthalate.
The propylene polymerization experiment
The catalyst component of the foregoing description 1-3 and Comparative Examples 1-3 is carried out propylene polymerization respectively.The propylene polymerization program is: volume is the stainless steel cauldron of 5L, after gaseous propylene is fully replaced, adds AlEt
32.5mmol methylcyclohexyl dimethoxy silane (CHMMS) 0.1mmol adds ingredient of solid catalyst 8-10mg and the 1.2L hydrogen of the foregoing description 1-3 and Comparative Examples 1-3 again, feeds liquid propene 2.3L, is warming up to 70 ℃, keeps this temperature 1 hour.Cooling, pressure release obtains the PP powder.Polymerization result is listed in table 1.
Table 1
| Active kgPP/gcat | Degree of isotacticity (%) | Melting index (g/10min) | Molecular weight distribution MW/Mn | |
| Embodiment 1 | 19.2 | 96.0 | 3.6 | 6.4 |
| Embodiment 2 | 14.8 | 95.9 | 3.0 | 7.1 |
| Embodiment 3 | 20.1 | 96.1 | 5.2 | 5.8 |
| Comparative Examples 1 | 11.5 | 93.8 | 5.5 | / |
| Comparative Examples 2 | 3.4 | 94.8 | 5.2 | 7.9 |
| Comparative Examples 3 | 32.5 | 98.7 | 3.4 | 4.4 |
From the polymerization result of table 1 as can be seen, with substituting group diol ester or ethyl benzoate are not arranged is that the catalyzer of internal electron donor is compared, activity was higher after catalyzer of the present invention was used for propylene polymerization, the polymkeric substance degree of isotacticity is also higher, with n-butyl phthalate be the catalyzer ratio of internal electron donor, it is good that catalyzer of the present invention is used for the propylene polymerization hydrogen response, and the molecular weight distribution broad of resulting polymers.Therefore, can think that catalyzer of the present invention is the catalyzer of a high comprehensive performance.
Claims (20)
1, the catalyst component that is used for olefinic polymerization, it comprises magnesium, titanium, halogen and electron donor, and this electron donor is selected from least a diol ester compound in the following general formula (I):
R wherein
1-R
4Can be identical or inequality, be hydrogen or C
1-C
10The alkyl of straight or branched, C
3-C
10Cycloalkyl, C
6-C
10Aryl, C
7-C
10Alkaryl or aralkyl, but R
1, R
2, R
3, R
4Be not hydrogen simultaneously; R
1-R
4In two or more groups mutually bonding generate one or several condensed ring structure;
R
5And R
6Can be identical or inequality, represent C
1-C
10Straight or branched alkyl, C
3-C
20Cycloalkyl, C
6-C
20Aryl, C
7-C
20Alkaryl or C
7-C
20Aryl, the benzene ring hydrogen can randomly be replaced by halogen atom in described aryl or alkaryl or the aryl.
2, the catalyst component that is used for olefinic polyreaction according to claim 1, in the diol ester compound of wherein said general formula (I), R
1, R
2, R
3And R
4In to have a group at least be hydrogen.
3, the catalyst component that is used for olefinic polyreaction according to claim 2, in the diol ester compound of wherein said general formula (I), R
1And R
2, R
3And R
4In a group is arranged respectively is hydrogen, and another group is selected from methyl, ethyl, propyl group, sec.-propyl, butyl, the tertiary butyl, phenyl or halogenated phenyl.
4, the catalyst component that is used for olefinic polyreaction according to claim 1, in the diol ester compound of wherein said general formula (I), described R
5And R
6Group is selected from methyl, ethyl, propyl group, sec.-propyl, butyl, the tertiary butyl, amyl group, cyclopentyl, cyclohexyl, phenyl, halogenated phenyl, alkyl phenyl, halogenated alkyl phenyl, indenyl, benzyl or phenylethyl.
5, the catalyst component that is used for olefinic polyreaction according to claim 4, in the diol ester compound of wherein said general formula (I), described R
5And R
6Group has at least one to be selected from phenyl, halogenated phenyl, alkyl phenyl or halogenated alkyl phenyl.
6, the catalyst component that is used for olefinic polyreaction according to claim 4, in the diol ester compound of wherein said general formula (I), described R
5And R
6Group all is selected from phenyl, halogenated phenyl, alkyl phenyl or halogenated alkyl phenyl.
7, according to the described catalyst component that is used for olefinic polymerization of one of claim 1-6, it comprises titanium compound, magnesium compound and is selected from the reaction product of the diol ester compound of general formula (I),
Magnesium compound is selected from a kind of in one of them halogen atom alkoxy in the hydrate of magnesium dihalide, alkoxyl magnesium, alkyl magnesium, magnesium dihalide or alcohol adduct and the magnesium dihalide molecular formula or the halogenated alkoxy institute metathetical derivative or their mixture;
Titanium compound is that general formula is TiXn (OR)
4-n, R is that carbonatoms is 1～20 alkyl in the formula, X is a halogen, n=1～4.
8, the catalyst component that is used for olefinic polymerization according to claim 7, the magnesium compound that it adopted is dissolved in the solvent system that contains organic epoxy compounds and organo phosphorous compounds.
9, the catalyst component that is used for olefinic polymerization according to claim 8, its organic epoxy compounds comprise at least a in oxide compound, glycidyl ether and the inner ether of 2～8 aliphatics alkene, diolefine or halogenated aliphatic alkene or diolefine of carbonatoms.
10, the catalyst component that is used for olefinic polymerization according to claim 8, its organo phosphorous compounds are the hydrocarbyl carbonate or the halo hydrocarbyl carbonate of ortho-phosphoric acid or phosphorous acid.
11, the catalyst component that is used for olefinic polymerization according to claim 8, the magnesium compound that it adopted is the alcohol adduct of magnesium dihalide.
12, a kind of CH that is used for
2The catalyzer of=CHR olefinic polyreaction, wherein R is hydrogen or C
1-C
6Alkyl or aryl, comprise the reaction product of following component:
(1) the described catalyst component of one of claim 1-11;
(2) alkylaluminium cpd;
(3) randomly, external electron donor component.
13, catalyzer according to claim 12, wherein external electron donor component general formula is R
nSi (OR)
4-nThe external electron donor compound, 0≤n in the formula≤3, R and R
*Be of the same race or different alkyl, cycloalkyl, aryl, haloalkyl, amido, R also can be halogen or hydrogen atom.
14, catalyzer according to claim 12, wherein the external electron donor component is selected from monobasic or polybasic organic acid ester.
15, catalyzer according to claim 12, wherein the external electron donor component is selected from monobasic or polybasic benzoates.
16, catalyzer according to claim 12, wherein the external electron donor component is selected from 1 of general formula (II), 3-two ethers:
R wherein
I, R
II, R
III, R
IV, R
VAnd R
VIIdentical or different, for hydrogen or have the hydrocarbyl group of 1 to 18 carbon atom, and R
VIIIAnd R
VIIICan be identical or different, for having the hydrocarbyl group of 1 to 18 carbon atom; R
I-R
VIIIGroup in one or morely can link up into ring.
17, the catalyzer of claim 16, described 1, R in the general formula of 3-diether (II)
VIIAnd R
VIIIBe selected from C
1-C
4Alkyl group, R
IIIAnd R
IVForm undersaturated condensed ring, and R
I, R
II, R
V, and R
VIBe hydrogen.
18, a kind of alkene CH that is used for
2=CHR polymeric pre-polymerized catalyst, wherein R is hydrogen or C
1-C
12Alkyl group, described pre-polymerized catalyst comprises and a kind ofly carries out the prepolymer of prepolymerization gained according to each described ingredient of solid catalyst and alkene among the claim 1-11, the pre-polymerization multiple is 0.1-1000g olefin polymer/g ingredient of solid catalyst.
19, the pre-polymerized catalyst of claim 18, wherein carrying out prepolymerized alkene is ethene or propylene.
20, be used for alkene CH
2=CHR polymeric method, wherein R is the hydrocarbyl group of hydrogen or 1-12 carbon atom, carries out in the presence of each described catalyzer or the pre-polymerized catalyst in claim 12-19.
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| CNB031405665A CN1310963C (en) | 2003-05-30 | 2003-05-30 | Catalyst component for olefin polymerization reaction and catalyst |
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|---|---|---|---|
| CNB031405665A CN1310963C (en) | 2003-05-30 | 2003-05-30 | Catalyst component for olefin polymerization reaction and catalyst |
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| CN1310963C true CN1310963C (en) | 2007-04-18 |
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| US7491781B2 (en) * | 2005-03-08 | 2009-02-17 | Ineos Usa Llc | Propylene polymer catalyst donor component |
| CN100389135C (en) * | 2005-03-16 | 2008-05-21 | 中国石油化工股份有限公司 | Catalyst compsns. for olefin polymerization and catalyst thereof |
| CN100441598C (en) * | 2005-10-31 | 2008-12-10 | 中国石油化工股份有限公司 | Adduct of round magnesium halides, preparation method and application |
| CN101423572B (en) * | 2007-11-01 | 2011-09-07 | 中国石油天然气股份有限公司 | Catalytic component for olefin polymerization and catalyst thereof |
| SG172817A1 (en) * | 2008-12-31 | 2011-08-29 | Dow Global Technologies Llc | Production of substituted phenylene aromatic diesters |
| CN104558284B (en) * | 2013-10-18 | 2017-09-29 | 中国石油化工股份有限公司 | Catalytic component for olefinic polymerization and preparation method thereof and the catalyst for olefinic polymerization and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5360776A (en) * | 1990-11-07 | 1994-11-01 | Neste Oy | Stereoselective catalyst for the polymerization of olefins |
| CN1230552A (en) * | 1998-03-11 | 1999-10-06 | 住友化学工业株式会社 | Solid catalyst component and catalyst for olefin polymerization, and process for producing olefin polymer |
| CN1258683A (en) * | 1998-12-30 | 2000-07-05 | 中国石油化工集团公司 | Catalyst for polymerization or copolymerization of propylene and its preparation and use |
-
2003
- 2003-05-30 CN CNB031405665A patent/CN1310963C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5360776A (en) * | 1990-11-07 | 1994-11-01 | Neste Oy | Stereoselective catalyst for the polymerization of olefins |
| CN1230552A (en) * | 1998-03-11 | 1999-10-06 | 住友化学工业株式会社 | Solid catalyst component and catalyst for olefin polymerization, and process for producing olefin polymer |
| CN1258683A (en) * | 1998-12-30 | 2000-07-05 | 中国石油化工集团公司 | Catalyst for polymerization or copolymerization of propylene and its preparation and use |
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