CN101628951A - Olefin polymerization solid catalytic component and catalyst thereof - Google Patents
Olefin polymerization solid catalytic component and catalyst thereof Download PDFInfo
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- CN101628951A CN101628951A CN200910090467A CN200910090467A CN101628951A CN 101628951 A CN101628951 A CN 101628951A CN 200910090467 A CN200910090467 A CN 200910090467A CN 200910090467 A CN200910090467 A CN 200910090467A CN 101628951 A CN101628951 A CN 101628951A
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Abstract
The invention relates to an olefin polymerization solid catalytic component which adopts at least one succinamide in a formula (I) as internal electron donor. The catalytic component is used for the (combined) polymerization of olefin, especially propylene, so as to obtain polymer with very high stereospecificity. The invention also further discloses a catalyst containing the catalytic component.
Description
Technical field
The present invention relates to a kind of olefin polymerization solid catalyst component and catalyzer thereof, particularly a kind of propylene (being total to) polymeric catalyst component and catalyzer thereof of being used for.
Background technology
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 can obtain the polymkeric substance of higher yields and higher tacticity in the alpha-olefine polymerizing with 3 carbon or more carbon atoms.Wherein, electron donor is one of requisite composition in the catalyst component, and along with the development of electron donor compound has caused polyolefin catalyst constantly to update.
Previously, reported multiple electron donor compound in the document in a large number, for example polycarboxylic acid, monobasic or multi-carboxylate, acid anhydrides, ketone, monoether or polyether, alcohol, amine etc. and derivative thereof, wherein comparatively commonly used is binary aromatic carboxylic acid's ester class, as n-butyl phthalate or diisobutyl phthalate (CN85100997A) etc.
In recent years, people attempt adopting other compounds as the electron donor in the olefin polymerization catalyst components, US4971937, US2004014597 and EP728769 have adopted special 1, the 3-diether compound is as electron donor, as 2, and 2-diisobutyl-1,3-Propanal dimethyl acetal, 2-sec.-propyl-2-isopentyl-1,3-Propanal dimethyl acetal and 9,9-two (methoxymethyl) fluorenes etc. also can be referring to CN1042547A, CN1143651A, US2003027715 and WO03076480.The disclosed catalyst component that is used for olefinic polyreaction of CN1054139A, it is special 1 to adopt, and the 3-cyclohexadione compounds is as electron donor, as 2,2,6,6-tetramethyl--3,5-heptadione and 2,2,4,6,6-pentamethyl--3,5-heptadione etc.
Disclose special dibasic aliphatic carboxylic acid esters and the diol-lipid compound of a class recently again, given body (referring to US6818583, WO2004024785, CN1313869A, CN1236373A, CN1236374A, CN1552741A, CN1213080C, CN1542024A, CN1552742A and CN1552740A) as the internal electron of olefin polymerization catalysis as succinate, malonic ester, glutarate, glycol ester, propylene glycol ester, butanediol ester, pentadiol ester and hexylene glycol ester etc.The use of these electron donor compounds not only can improve activity of such catalysts, and the polyacrylic molecular weight distribution of gained is obviously widened.
Summary of the invention
The object of the present invention is to provide a kind of CH of being used for
2=CHR catalyst component in olefin polymerisation, wherein R is hydrogen or the hydrocarbyl group with 1-12 carbon atom.Another object of the present invention provides the catalyzer that contains above-mentioned catalyst component.
The contriver is by discovering, the succinic diamide that contains 5-norbornylene-7-heteroatoms structure can be given body as the internal electron of olefin polymerization catalysis effectively, and the synthetic method of this compound is simple, and is easy to utilize.
Based on above-mentioned research, the present invention proposes a kind of olefin polymerization catalytic component, by weight percentage, comprise 10-25% magnesium, 1-10% titanium, 40-60% halogen and 1-30% internal electron donor, described internal electron donor is selected from least a succinic diamide in the general formula (I):
Wherein, radicals X is heteroatomss such as oxygen, sulphur or nitrogen; Radicals R
1To R
4Being same to each other or different to each other, is hydrogen or C
1-C
20Line style or alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or the kiki fang alkyl group of branching, the optional heteroatoms that contains; Radicals R
5To R
10Be same to each other or different to each other, be hydrogen or C
1-C
20Line style or alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or the kiki fang alkyl group of branching, optional heteroatoms and the R of containing
5-R
10In two or more groups mutually bonding generate one or several condensed ring structure.
In above-mentioned general formula compound, X is preferably Sauerstoffatom.
In above-mentioned general formula compound, R
1To R
4Be preferably C
1-C
10Alkyl, cycloalkyl or arylalkyl, further preferred C
1-C
10Alkyl, as methyl, ethyl, n-propyl, sec.-propyl, normal-butyl, isobutyl-or neo-pentyl, special preferable methyl, ethyl or sec.-propyl.
In above-mentioned general formula compound, preferred R
5And R
6, R
7And R
8, R
9And R
10In to have one group of group at least be hydrogen, more preferably, radicals R
5To R
10Be hydrogen.
The example of suitable above-mentioned general formula compound includes but not limited to:
N, N, N ', N '-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N, N '-trimethylammonium-7-thia dicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N-dimethyl-N ', N '-diethyl-7-amine-dicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N-dimethyl-N '-ethyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-diamide, N, N, N ', N '-tetraethyl--2-methyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-diamide, N, N, N '-triethyl-2,3-dimethyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-diamide, N, N, N ', N '-tetraethyl--1,4-dimethyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N-dimethyl-N ', N '-diethyl-5,6-dimethyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N-ethyl-N '-sec.-propyl-1,2,3,4-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N-di-isopropyl-2,3,5,6-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-diamide or 1,4,5,6-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide.
The preparation of above-mentioned general formula compound (I) can be adopted prior art, is promptly synthesized through acylation reaction by corresponding precursor compound and amine, and its precursor compound can utilize diels-alder reaction (Diels-Alder Reaction) to prepare.Pertinent literature is referring to Org.React.1948, and 4,1.; H.-B.Zhou, J.S.Comninos, F.Stossi, B.S.Katzenellenbogen, J.A.Katzenellenbogen J.Med.Chem.2005,48 (23), 7261.; N.Chronakis, M.Orfanopoulos Org.Lett.2001,3 (4), 545..Acylation reaction can be referring to following document: E.Pretsch, D.Amnmn, H.F.Oaaward, et al.Helv.Chim.Acta.1980,65 (1), 191.; Burnt Megrez, Wang Yanbo, Tan Xiaomei, etc. synthetic chemistry 1999,7 (2), 207..
Magnesium in the catalyst component can be by size-grade distribution 20～250 μ m, and general formula is Mg (OR ') mX
(2-m)The magnesium halide alcohol adduct of pROH provides, and R ' is C in the formula
1～C
20Alkyl, arylalkyl or aryl; X is a halogen; M is the integer of 0≤m＜2; N is the decimal or the integer of 0＜p＜6; R is C
1-C
20The alkyl or aryl alkyl.
Magnesium halide in the magnesium halide alcohol adduct is selected from a kind of in magnesium dichloride, dibrominated magnesium, chloro magnesium methylate or the chloro magnesium ethylate, preferred magnesium dichloride; Alcohol in the magnesium halide alcohol adduct is selected from a kind of in methyl alcohol, ethanol, n-propyl alcohol, Virahol, propyl carbinol or the isopropylcarbinol, preferred alcohol.
After magnesium halide alcohol adduct adopts magnesium halide and alcohol to be total to heat of solution, high pressure ejection or high-speed stirring, the method that is solidified into microsphere particle in heat-eliminating medium obtains, and concrete grammar is referring to the associated description among the US4399054.
Titanium in the catalyst component can be TiX by general formula
n(OR)
4-nCompound provide, R is that carbonatoms is the alkyl of 1-20 in the formula; X is a halogen; N=1-4.Concrete compound is as titanium tetrachloride, titanium tetrabromide, titanium tetra iodide, four titanium butoxide, purity titanium tetraethoxide, a chlorine triethoxy titanium, dichloro diethoxy titanium or trichlorine one ethanolato-titanium, preferred titanium tetrachloride.
The preparation method of catalyst component of the present invention comprises: (1) joins spherical magnesium halide alcohol adduct in-40～10 ℃ the titanium compound, reacts 1～4 hour, and the mol ratio of magnesium and titanium is 1: 5～1: 50; (2) be warming up to 30～80 ℃, add the internal electron donor compound, the mol ratio of magnesium and internal electron donor compound is 2: 1～15: 1; (3) be warming up to 100～150 ℃ again, reacted 1～4 hour; (4) add titanium compound with step (1) same amount after filtering again, in 110～130 ℃ of reactions 1～4 hour, more after filtration, washing obtained after the drying.
With above-mentioned catalyst component is main ingredient, and the present invention also can further be provided for the catalyzer of olefinic polymerization.Catalyzer specifically comprises:
(a) contain magnesium, titanium, halogen and be selected from the catalyst component of at least a succinic diamide in the general formula (I);
(b) alkylaluminium cpd;
(c) randomly, external electron donor.
Wherein, alkylaluminium cpd (b) is selected from trialkyl aluminium compound, as the mixture of triethyl aluminum, triisobutyl aluminium, three n-butylaluminum, tri-n-hexyl aluminum or tri-n-octylaluminium, trialkylaluminium and aluminum alkyl halide or alkyl aluminum hydride, or alkylaluminoxane.
The external electron donor component can add as required selectively.Obtain the olefin polymer of taxis very high (as isotactic index greater than 99%) for needs, suggestion adds the external electron donor compound.
It is R that external electron donor can be selected general formula
nSi (OR ')
4-nSilicoorganic compound, the integer of 0≤n in the formula≤3; R is of the same race or different alkyl, cycloalkyl or aryl with R ', the optional heteroatoms that contains; R also can be halogen or hydrogen atom.Concrete silicoorganic compound are as the trimethylammonium methoxy silane, trimethylethoxysilane, dimethyldimethoxysil,ne, dimethyldiethoxysilane, dimethoxydiphenylsilane, the phenylbenzene diethoxy silane, phenyl triethoxysilane, phenyltrimethoxysila,e, vinyltrimethoxy silane, cyclohexyl methyl dimethoxy silane, methyl-t-butyldimethoxysilane, diisopropyl dimethoxy silane, second, isobutyl dimethoxy silane, di-n-butyl dimethoxy silane, dicyclopentyl dimethoxyl silane or two (cyclobutylmethyl) dimethoxy silane, preferred cyclohexyl methyl dimethoxy silane.
With titanium: aluminium: the molar ratio computing between the external electron donor compound (c), the amount ratio in the catalyzer between each component are 1: 5-1000: 0-500; Be preferably 1: 25-100: 25-300.
Catalyzer of the present invention is used for olefinic polymerization, can access the polymkeric substance of very high isotactic index when the equal polymerization of special propylene or the copolymerization of propylene and other alkene.Simultaneously, do not get rid of the copolymerization that is applicable to production polyethylene and ethene and alpha-olefin such as propylene, 1-butylene, 1-amylene, 4-methyl-1-pentene, 1-hexene or 1-octene yet.
Can adopt the whole bag of tricks of the prior art when being used for propylene polymerization, can in liquid phase or gas phase, carry out, also can under the combination operation of liquid and gas polymerization stage, carry out.Polymerization is carried out at 0～150 ℃ usually, preferred 40～90 ℃.Polymerization pressure is 0.01～10MPa.The hydrogen of chain-transfer agent effect or other compounds can be played and the molecular weight of controlling polymers can be used for.
The present invention is owing to adopt the succinic diamide compound of special unsaturated heterocycle structure to make internal electron donor, electronic effect that it is unique and space steric effect make the high comprehensive performance of catalyzer, when being used for propylene (being total to) polymerization, can obtain gratifying polymerization yield rate, and the stereospecificity height of polymkeric substance, catalyzer is also fine 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 better, rather than limits the invention.
Testing method:
1, polymericular weight and molecular weight distribution MWD (MWD=M
w/ M
n): adopting the gel permeation chromatography method, is that solvent is measured down at 135 ℃ with the orthodichlorobenzene with Alliance-GPCV2000.
2, polymkeric substance degree of isotacticity: adopt the heptane extraction process to measure (heptane boiling extracting 8 hours), promptly 1 restrain the exsiccant polymer samples, be placed in the extractor with the extracting of boiling heptane after 8 hours, the polymer weight (g) that residuum is dried to the constant weight gained is degree of isotacticity with 1 ratio.
3, the mensuration of melt index (MI): measure according to μ PXRZ-400C.
4, the mensuration of titanium percentage composition: according to spectrophotometry.
5, the mensuration of internal electron donor percentage composition: according to the Autosystem XL of PE company gas chromatograph for determination.
One, the succinic diamide compound is synthetic
1. ambroid acid anhydrides
Synthetic 7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-dicarboxylic acid anhydride
In the 250ml flask, add 34.0g furans and 49.0g cis-butenedioic anhydride, stirred 12 hours under the room temperature.Column chromatography for separation, oily liquids product 7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-dicarboxylic acid anhydride 58.1g, yield 70%.
1H NMR (TMS, CDCl
3, 400MHz) analytical results: δ 5.82 (q, 2H, alkene H); δ 5.16 (q, 2H, CH); δ 3.34 (q, 2H, CHCO).
The synthetic method of other succinyl oxides similarly.
2. ambroid acid amides
(1) synthetic N, N, N '-trimethylammonium-7-thia dicyclo [2.2.1] heptan-5-alkene-2,3-diamide
In the 100mL flask, add 1.82g 7-thia dicyclo [2.2.1] heptan-5-alkene-2,3-dicarboxylic acid anhydride, the aqueous solution that contains the 0.45g dimethylamine, the aqueous solution that contains the 0.31g methylamine and 30mL methylene dichloride, room temperature reaction 12h, filter, the filter cake ethyl alcohol recrystallization gets crystal product 3.97g, yield 94%.
1H NMR (TMS, CDCl
3, 400MHz) analytical results: δ 7.98 (s, 1H, NH); δ 5.80 (q, 2H, CH); δ 3.91 (m, 2H, CH); δ 3.08 (m, 2H, CH); δ 2.89 (s, 6H, CH
3); δ 2.72 (s, 3H, CH
3).
The synthetic method of the internal electron donor that embodiment 3,4,6,8 and 9 is used similarly.
(2) synthetic N, N, N ', N '-tetraethyl--2-methyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-diamide
In the 50mL flask, add the homemade 2-methyl of 1.80g-7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-dicarboxylic acid anhydride, 2.2g diethylamine and 30mL methylene dichloride, room temperature reaction 12h filters, and the filter cake ethyl alcohol recrystallization must crystal product 2.77g, yield 90%.
1H NMR (TMS, CDCl
3, 400MHz) analytical results: δ 5.79 (q, 2H, CH); δ 4.62 (m, 2H, CH); δ 3.25 (q, 8H, CH
2CH
3); δ 3.01 (s, 1H, CH); δ 1.36 (s, 3H, CH
3); δ 1.21 (t, 12H, CH
3).
The synthetic method of embodiment 1 and 7 used internal electron donors similarly.
(3) synthetic N, N-di-isopropyl-2,3,5,6-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-diamide
It is homemade 2,3,5 to add 2.22g in the 50mL flask, 6-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2, and 3-dicarboxylic acid anhydride, 1.01g Diisopropylamine and 0.30g urea, room temperature reaction 6h is warming up to 160 ℃ of reaction 4h, is warming up to 220 ℃ again, reaction 5min.Use ethyl alcohol recrystallization, get crystal product 2.32g, yield 72%.
1H NMR (TMS, CDCl
3, 400MHz) analytical results: δ 6.04 (s, 2H, NH
2); δ 4.65 (s, 2H, CH); δ 3.93 (m, 2H, CH); δ 1.72 (s, 6H, CH
3); δ 1.35 (s, 6H, CH
3); δ 1.23 (d, 12H, CH
3).
(4) synthetic 1,4,5,6-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-diamide
It is homemade 1,4,5 to add 2.22g in the 50mL flask, and in 6-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-dicarboxylic acid anhydride and 0.90g urea are warming up to 160 ℃ of reaction 4h, are warming up to 220 ℃ again, reaction 5min.Use ethyl alcohol recrystallization, get crystal product 1.79g, yield 75%.
1H NMR (TMS, CDCl
3, 400MHz) analytical results: δ 6.07 (s, 4H, NH
2); δ 3.06 (s, 2H, CH); δ 1.77 (s, 6H, CH
3); δ 1.39 (s, 6H, CH
3).
Two, the preparation of catalyst component
Embodiment 1-11
Under the anhydrous and oxygen-free condition, in the abundant metathetical 500mL four neck round-bottomed flasks of process high pure nitrogen, add TiCl
4100mL and toluene 60mL are cooled to-20 ℃, add 10.0gMgCl
22.8CH
3CH
2OH ball type carrier (according to the method preparation of USP4399054).Rise to 0 ℃ in 1 hour, continuing to heat up rose to 20 ℃ in 2 hours, and continuing to heat up rose to 40 ℃ in 1 hour, add corresponding succinic diamide compound in the table 1 (adopting aforesaid method preparation) 7.4mmol respectively, be warming up to 100 ℃ in 1 hour, and kept venting filtrate 2 hours.Add TiCl
4100mL rose to 120 ℃ in 1 hour, kept venting filtrate 2 hours.Add anhydrous hexane 60mL, boiling attitude washing 5 times adds anhydrous hexane 60mL then, and normal temperature washing 3 times is at last with the catalyst component vacuum-drying that obtains.
Comparative example 1-3
Press the preparation method of the foregoing description catalyst component, just internal electron donor is replaced with n-butyl phthalate, dibutyl succinate and 2 respectively, 3-di-isopropyl ethyl succinate.
Three, propylene polymerization experiment
The catalyst component of the foregoing description 1-11 and comparative example 1-3 is carried out propylene polymerization respectively.
Usually step is: volume is the stainless steel autoclave of 10L, after high pure nitrogen is fully replaced, adds AlEt
35.0mmol external electron donor methylcyclohexyl dimethoxy silane (CHMMS) 0.2mmol adds catalyst component 20mg and the 1.2L hydrogen of the foregoing description 1-11 and comparative example 1-3 again, feeds liquid propene 2.5L, is warming up to 70 ℃, keeps this temperature 1 hour.Cooling, pressure release to 1 normal atmosphere obtains polypropylene.Polymerization result is listed in table 1.
Table 1. propylene polymerization result
Four, vinyl polymerization experiment
Volume is the stainless steel autoclave of 10L, after high pure nitrogen is fully replaced, starts stirring, progressively adds the catalyst solid constituent and the 5.0mmol promotor AlEt of 2L hexane, 20mg embodiment 1 gained under nitrogen protection in still
3After being warming up to 75 ℃, in still, replenish an amount of high-purity hydrogen, make that hydrogen partial pressure is 0.3Mpa in the still, after 5 minutes in still make-up ethylene gas make its dividing potential drop reach 0.75MPa, the dividing potential drop of keeping ethylene gas is constant, make system temperature keep 80 ℃, after 3 hours, cooling discharge, polymkeric substance except that desolvating, is obtained polyethylene 553g after the thorough drying.
Five, ethene and copolymerization of propylene experimental result
Volume is the stainless steel autoclave of 10L, after high pure nitrogen is fully replaced, starts stirring, progressively adds the catalyst solid constituent and the 5.0mmol promotor AlEt of 2L hexane, 20mg embodiment 1 gained under nitrogen protection in still
3Feed liquid propene 2.5L, be warming up to 75 ℃ after, in still, replenish an amount of high-purity hydrogen, making the interior hydrogen partial pressure of still is 0.3MPa, make-up ethylene gas makes its dividing potential drop reach 0.75MPa in still then, and the dividing potential drop of keeping ethylene gas is constant, makes system temperature keep 80 ℃, after 3 hours, cooling discharge except that desolvating, obtains polymer powders 960g with polymkeric substance after the thorough drying.
Claims (20)
1. olefin polymerization solid catalyst component, by weight percentage, comprise 10%-25% magnesium, 1%-10% titanium, 40%-60% halogen and 1%-30% internal electron donor, it is characterized in that described internal electron donor is selected from least a succinic diamide in the general formula (I):
Wherein, radicals X is heteroatomss such as oxygen, sulphur or nitrogen; Radicals R
1To R
4Being same to each other or different to each other, is hydrogen or C
1-C
20Line style or alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or the kiki fang alkyl group of branching, the optional heteroatoms that contains; Radicals R
5To R
10Be same to each other or different to each other, be hydrogen or C
1-C
20Line style or alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or the kiki fang alkyl group of branching, optional heteroatoms and the R of containing
5-R
10In two or more groups mutually bonding generate one or several condensed ring structure.
2. catalyst component according to claim 1 is characterized in that in the amides general formula compound R
1To R
4Be C
1-C
10Alkyl, cycloalkyl or arylalkyl.
3. catalyst component according to claim 2 is characterized in that in the amides general formula compound R
1To R
4Be C
1-C
10Alkyl.
4. catalyst component according to claim 3 is characterized in that in the amides general formula compound R
1To R
4Be methyl, ethyl or sec.-propyl.
5. catalyst component according to claim 1 is characterized in that in the amides general formula compound R
5And R
6, R
7And R
8, R
9And R
10In to have one group of group at least be hydrogen.
6. catalyst component according to claim 5 is characterized in that in the amides general formula compound R
5To R
10Be hydrogen.
7. catalyst component according to claim 1, it is characterized in that the amides general formula compound is N, N, N ', N '-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N, N '-trimethylammonium-7-thia dicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N-dimethyl-N ', N '-diethyl-7-amine-dicyclo [2.2.1] heptan-5-alkene-2,3-diamide, N, N-dimethyl-N '-ethyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N, N ', N '-tetraethyl--2-methyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N, N '-triethyl-2,3-dimethyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N, N ', N '-tetraethyl--1,4-dimethyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N-dimethyl-N ', N '-diethyl-5,6-dimethyl-7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N-ethyl-N '-sec.-propyl-1,2,3,4-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2, the 3-diamide, N, N-di-isopropyl-2,3,5,6-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-diamide or 1,4,5,6-tetramethyl--7-oxabicyclo [2.2.1] heptan-5-alkene-2,3-diamide.
8. catalyst component according to claim 1 is characterized in that magnesium in the catalyst component by size-grade distribution 20～250 μ m, and general formula is Mg (OR ') mX
(2-m)The magnesium halide alcohol adduct of pROH provides, and R ' is C in the formula
1～C
20Alkyl, arylalkyl or aryl; X is a halogen; M is the integer of 0≤m＜2; N is the decimal or the integer of 0＜p＜6; R is C
1-C
20The alkyl or aryl alkyl.
9. catalyst component according to claim 8 is characterized in that providing in the magnesium halide alcohol adduct of magnesium, and magnesium halide is a kind of in magnesium dichloride, dibrominated magnesium, chloro magnesium methylate or the chloro magnesium ethylate; Alcohol in the magnesium halide alcohol adduct is a kind of in methyl alcohol, ethanol, n-propyl alcohol, Virahol, propyl carbinol or the isopropylcarbinol.
10. catalyst component according to claim 9, it is characterized in that providing the magnesium halide in the magnesium halide alcohol adduct of magnesium is magnesium dichloride; Alcohol in the magnesium halide alcohol adduct is ethanol.
11. catalyst component according to claim 1 is characterized in that the titanium in the catalyst component is TiX by general formula
n(OR)
4-nCompound provide, R is that carbonatoms is the alkyl of 1-20 in the formula; X is a halogen; N=1-4.
12. catalyst component according to claim 11 is characterized in that the titanium in the catalyst component is provided by titanium tetrachloride, titanium tetrabromide, titanium tetra iodide, four titanium butoxide, purity titanium tetraethoxide, a chlorine triethoxy titanium, dichloro diethoxy titanium or trichlorine one ethanolato-titanium.
13. catalyst component according to claim 12 is characterized in that the titanium in the catalyst component is provided by titanium tetrachloride.
14. a catalyzer that comprises one of the described catalyst component of claim 1 to 13 is characterized in that catalyzer comprises:
A) one of the described catalyst component of claim 1 to 13;
B) alkylaluminium cpd;
C) randomly, external electron donor component.
15. catalyzer according to claim 14 is characterized in that alkylaluminium cpd is a trialkyl aluminium compound.
16. catalyzer according to claim 15, it is characterized in that alkylaluminium cpd is the mixture of triethyl aluminum, triisobutyl aluminium, three n-butylaluminum, tri-n-hexyl aluminum, tri-n-octylaluminium, trialkylaluminium and aluminum alkyl halide or alkyl aluminum hydride, or alkylaluminoxane.
17. catalyzer according to claim 14 is characterized in that external electron donor is that general formula is R
nSi (OR ')
4-nSilicoorganic compound, the integer of 0≤n in the formula≤3; R is of the same race or different alkyl, cycloalkyl or aryl with R '.
18. catalyzer according to claim 17, it is characterized in that external electron donor is the trimethylammonium methoxy silane, trimethylethoxysilane, dimethyldimethoxysil,ne, dimethyldiethoxysilane, dimethoxydiphenylsilane, the phenylbenzene diethoxy silane, phenyl triethoxysilane, phenyltrimethoxysila,e, vinyltrimethoxy silane, cyclohexyl methyl dimethoxy silane, methyl-t-butyldimethoxysilane, diisopropyl dimethoxy silane, second, isobutyl dimethoxy silane, di-n-butyl dimethoxy silane, dicyclopentyl dimethoxyl silane or two (cyclobutylmethyl) dimethoxy silane, preferred cyclohexyl methyl dimethoxy silane, dimethoxydiphenylsilane, diisopropyl dimethoxy silane, second, isobutyl dimethoxy silane, di-n-butyl dimethoxy silane, dicyclopentyl dimethoxyl silane or two (cyclobutylmethyl) dimethoxy silane.
19. catalyzer according to claim 14 is characterized in that with titanium: aluminium: the molar ratio computing of external electron donor compound, the consumption between each component are 1: 5-1000: 0-500.
20. catalyzer according to claim 19 is characterized in that with titanium: aluminium: the molar ratio computing of external electron donor compound, the consumption between each component are 1: 25-100: 25-300.
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