Summary of the invention
The object of the present invention is to provide a kind of olefinic polymerization or the Catalysts for Olefin Polymerization of ethene and copolymerization monomer copolymerizable and preparation method of described catalyzer of can be used for.
The Catalysts for Olefin Polymerization that can be used for olefinic polymerization or ethene and copolymerization monomer copolymerizable provided by the present invention is comprised of Primary Catalysts and promotor; Described Primary Catalysts is by magnesium halide, transition metal halide, C
1-5Alcohol, greater than C
5Alcohol, silicoorganic compound and poly-hydroxy solids form.In one aspect of the invention, magnesium halide, transition metal halide, C
1-5Alcohol, greater than C
5The mol ratio of pure and mild silicoorganic compound be: 1:(1-40): (0.015): (0.01-10): (0.01-10).Aspect one of them, the mass ratio of described poly-hydroxy solids and magnesium halide carrier is (0.0520): 100 of the present invention.The mol ratio of Primary Catalysts and promotor is (1:10)-500.Described Primary Catalysts and promotor with magnitude relation be: the transition metal halide in Primary Catalysts and the mol ratio of promotor are 1:(10-500).
Wherein promotor can adopt the promotor for olefin polymerization catalysis well known in the art.For example, described promotor is organo-aluminium compound, preferred triethyl aluminum, triisobutyl aluminium, tri-n-hexyl aluminum, second chlorodiethyl aluminium, methylaluminoxane MAO etc.
Wherein, described magnesium halide is as carrier, and it is selected from general formula (1) is Mg (R)
aX
bCompound at least a, wherein R is selected from C
1~C
20Aliphatic group, C
1~C
20Fatty alkoxyl group, C
3~C
20Alicyclic radical or C
6~C
20Aryl radical; X is selected from halogen, Cl for example, Br and F; A=0,1 or 2, b=1 or 2, a+b=2.Described magnesium halide specifically can be selected from least a in magnesium dichloride, dibrominated magnesium, two magnesium iodides, chlorination magnesium methylate, chlorination magnesium ethylate, chlorination propoxy-magnesium, chlorination butoxy magnesium, chlorination phenoxy group magnesium, magnesium ethylate, isopropoxy magnesium, butoxy magnesium, chlorination isopropoxy magnesium, butyl magnesium chloride etc., wherein, described magnesium halide is preferably magnesium dichloride.
Wherein, to be selected from general formula (2) be M (R to described transition metal halide
1)
4-mX
mCompound at least a, in formula, M is Ti, Zr, Hf, Fe, Co or Ni; X is halogen atom, is selected from Cl, Br, F; M is 1 to 4 integer; R
1Be selected from C
1~C
20Aliphatic group, C
1~C
20Fatty alkoxyl group, C
1~C
20Cyclopentadienyl and derivative, C
1~C
20Aryl radical, COR` or COOR`, R` has C
1~C
10Aliphatic group or have C
6~C
10Aryl radical.R
1Can be selected from: at least a in methyl, ethyl, propyl group, butyl, amyl group, hexyl, heptyl, octyl group, nonyl, decyl, isobutyl-, the tertiary butyl, isopentyl, tert-pentyl, 2-ethylhexyl, phenyl, naphthyl, ortho-, meta-or p-aminomethyl phenyl, meta-aminomethyl phenyl, p-aminomethyl phenyl, ortho-, meta-or p-sulfonic group phenyl, formyl radical, acetyl or benzoyl base etc.Described Ti, Zr, Hf, Fe, Co, the transition metal halides such as Ni can be selected from one or more the mixing in titanium tetrachloride, titanium tetrabromide, titanium tetra iodide, four titanium butoxide, purity titanium tetraethoxide, a chlorine triethoxy titanium, dichloro diethoxy titanium, trichlorine one ethanolato-titanium, tetrabutyl titanate, isopropyl titanate, methoxyl group titanous chloride, dibutoxy titanium dichloride, three butoxy titanium chlorides, four phenoxide titaniums, a chlorine triple phenoxyl titanium, two chlorodiphenyl oxygen base titaniums, trichlorine one phenoxide titanium.Wherein, described transition metal halide is preferably titanium tetrachloride.In one aspect of the invention, in described Catalysts for Olefin Polymerization, the mol ratio of transition metal halide and magnesium halide is preferably (1-40): 1.
Wherein, described C
1-5Alcohol (in the present invention sometimes also referred to as " less than C
5Alcohol ") be that carbonatoms is less than or equal to 5 Fatty Alcohol(C12-C14 and C12-C18) or alicyclic ring alcohol, be preferably Fatty Alcohol(C12-C14 and C12-C18), be for example ethanol, methyl alcohol, propyl alcohol, butanols or amylalcohol, be preferably ethanol.In one aspect of the invention, C in described Catalysts for Olefin Polymerization
1-5Alcohol and the mol ratio of magnesium halide preferred (0.01 – 5): 1.Add C
1-5Alcohol especially ethanol can obviously improve the hydrogen regulation performance of catalyzer.
Wherein, described greater than C
5Alcohol be that carbonatoms is C
6– C
20Fatty Alcohol(C12-C14 and C12-C18) or alicyclic ring alcohol or aromatic alcohol, preferred fat alcohol, optional enanthol, isooctyl alcohol, octanol, nonyl alcohol, decyl alcohol, undecyl alcohol, lauryl alcohol, tridecanol, tetradecyl alcohol, pentadecanol or hexadecanol in Fatty Alcohol(C12-C14 and C12-C18), preferred isooctyl alcohol.In one aspect of the invention, in described Catalysts for Olefin Polymerization greater than C
5Alcohol and the mol ratio of magnesium halide preferred (0.01 – 10): 1.
Wherein, described silicoorganic compound meet general formula R
x 3R
y 4Si (OR
5)
zOr general formula (R
6O) (R
7O) (R
8O) (R
9O) Si, wherein R
3And R
4Be respectively alkyl or halogen, R
5, R
6, R
7, R
8And R
9C
1To C
20Alkyl or cyclic hydrocarbon radical, 0≤x≤2,0≤y≤2, and 0<z≤4, x+y+z=4.silicoorganic compound can be selected from tetramethoxy-silicane, tetraethoxysilane, tetrapropoxysilane, four butoxy silanes, four (2-ethyl hexyl oxy) silane, ethyl trimethoxy silane, ethyl triethoxysilane, methyltrimethoxy silane, Union carbide A-162, the n-propyl triethoxyl silane, the n-propyl Trimethoxy silane, the decyl Trimethoxy silane, the decyl triethoxyl silane, cyclopentyl-trimethoxy-silane, the cyclopentyl triethoxyl silane, 2-methylcyclopentyl Trimethoxy silane, 2,3-dimethylcyclopentyl Trimethoxy silane, cyclohexyl trimethoxy silane, cyclohexyltriethyloxysilane, methyltrimethoxy silane, Union carbide A-162, ethyl triethoxysilane, vinyltrimethoxy silane, vinyltriethoxysilane, tertiary butyl triethoxyl silane, the normal-butyl Trimethoxy silane, ne-butyltriethoxysilaneand, isobutyl triethoxy silane, cyclohexyltriethyloxysilane, cyclohexyl trimethoxy silane, phenyltrimethoxysila,e, phenyl triethoxysilane, one chlorine Trimethoxy silane, one chlorine triethoxyl silane, ethyl three isopropoxy silane, vinyl three butoxy silanes, trimethyl phenoxysilane, methyl three allyloxy silane, vinyl nitrilotriacetic base silane, dimethyldimethoxysil,ne, dimethyldiethoxysilane, dibutyl dimethoxy silane, diisopropyl dimethoxy silane, the di-isopropyl diethoxy silane, tertiary butyl methyl dimethoxysilane, tertiary butyl methyldiethoxysilane, the tert-pentyl methyldiethoxysilane, dicyclopentyl dimethoxyl silane, two cyclopentyl diethoxy silanes, Cyclohexylmethyldimethoxysilane, the methylcyclopentyl diethoxy silane, methylcyclopentyl dimethoxy silane, dimethoxydiphenylsilane, the phenylbenzene diethoxy silane, the aminomethyl phenyl diethoxy silane, aminomethyl phenyl dimethoxy silane, two o-tolyl dimethoxy silane, two o-tolyl diethoxy silanes, tolyl dimethoxy silane between two, tolyl diethoxy silane between two, biconjugate tolyl dimethoxy silane, biconjugate tolyl diethoxy silane, the trimethylammonium methoxy silane, trimethylethoxysilane, three cyclopentyl methoxy silane, three cyclopentyl Ethoxysilanes, two cyclopentyl-methyl methoxy silane, cyclopentyl dimethyl methyl TMOS, diethoxy isopropoxy tert.-butoxy silane, three isopropoxy tert.-butoxy silane, diisopropoxy two tert.-butoxy silane, diethoxy cyclohexyloxy tert.-butoxy silane, diethoxy phenoxy group tert.-butoxy silane, one oxyethyl group diisopropoxy tert.-butoxy silane, oxyethyl group isopropoxy tert.-butoxy cyclohexyloxy silane, triethoxy methoxyl group silicon, triethoxy pentyloxy silicon, triethoxy hexyloxy silicon, one or more in trimethoxy pentyloxy silicon or triethoxy phenoxy group silicon etc.A kind of in preferred tetramethoxy-silicane, tetraethoxysilane, triethoxy methoxyl group silicon, triethoxy pentyloxy silicon or triethoxy hexyloxy silicon.In one aspect of the invention, in described Catalysts for Olefin Polymerization, the mol ratio of silicoorganic compound and magnesium halide is (0.01-10): 1.
Wherein, described poly-hydroxy solids refers to have polyhydric solid compounds or with the solid-state material of polyol or itself have polyhydric solid-state material.For example, the poly-hydroxy solids can be carbonoxide pipe, carbonoxide ball, graphite oxide, silica gel, polymer alumina, poly-hydroxy POSS(polyhedraloligomeric silsesquioxanes), Mierocrystalline cellulose, polysaccharide, chitin etc.In one aspect of the invention, the mass ratio of poly-hydroxy solids and magnesium halide carrier described in described Catalysts for Olefin Polymerization is (0.05 – 20): 100.Wherein, described poly-hydroxy POSS can be dihydroxyl POSS, trihydroxy-POSS, tetrahydroxy POSS, hexahydroxy-POSS or eight hydroxyl POSS etc.
One of advantage of the present invention is to add simultaneously C in the preparation process of solid main catalyst
1-5Pure and mild greater than C
5Alcohol, described C
1-5Alcohol be that carbonatoms is less than or equal to 5 Fatty Alcohol(C12-C14 and C12-C18), be selected from ethanol, methyl alcohol, propyl alcohol, butanols or amylalcohol, preferred alcohol.C
1-5Alcohol and the mol ratio of magnesium halide preferred (0.015): 1.Described greater than C
5Alcohol be that carbonatoms is C
6C
20Fatty Alcohol(C12-C14 and C12-C18) or alicyclic ring alcohol or aromatic alcohol, preferred fat alcohol, select enanthol, isooctyl alcohol, octanol, nonyl alcohol, decyl alcohol, undecyl alcohol, lauryl alcohol, tridecanol, tetradecyl alcohol, pentadecanol or hexadecanol in Fatty Alcohol(C12-C14 and C12-C18), preferred isooctyl alcohol, described isooctyl alcohol is 2-ethyl-1-hexanol.Greater than C
5Alcohol and the mol ratio of magnesium halide preferred (0.01 – 10): 1.Add C
1-5Alcohol especially ethanol can obviously improve the hydrogen regulation performance of catalyzer.
Another advantage of the present invention is to add the poly-hydroxy solids in the preparation process of solid main catalyst.The present invention is not produced any restriction, the contriver thinks, add the poly-hydroxy solids can improve the particle form of solid main catalyst.The present invention is not produced any restriction, the contriver thinks, adds the poly-hydroxy solids can eliminate the static of solid main catalyst particle, and the particle non-stick container wall of solid main catalyst is easy to process.Described poly-hydroxy solids is carbonoxide pipe, carbonoxide ball, graphite oxide, silica gel, polymer alumina, poly-hydroxy POSS, Mierocrystalline cellulose, polysaccharide, chitin etc.
The invention provides the method for the above-mentioned olefin polymerization catalysis of preparation, it comprises the following steps:
1) magnesium halide carrier is scattered in organic solvent, adds C
1-5Pure and mild greater than C
5Alcohol, in 30 to 150 ℃ of lower stirring and dissolving 1 are to 5h, preferred 60 ℃ to 130 ℃;
2) with 1) solution that obtains is cooled to 10 to 80 ℃, adds silicoorganic compound, and reaction 0.5 is to 3h;
3) under-25 to 30 ℃, with step 2) mixture that obtains contacts with transition metal halide, then adds the poly-hydroxy solids, and react 0.5-5h under-25 to 30 ℃, be warming up to again 20-150 ℃, preferred 50-120 ℃, reaction 0.5-5h, in temperature-rise period, solid particulate is separated out gradually, after reaction finishes, with toluene or normal hexane washed product 4-6 time, remove by filter unreacted reactant, vacuum-drying obtains the pulverulent solids Primary Catalysts.Wherein vacuum-drying temperature is 40 ℃ to 130 ℃, preferred 50 ℃ to 100 ℃.The vacuum-drying time is 0.5 hour to 5 hours, preferred 1 hour to 4 hours.
Preferably, the mol ratio of wherein said transition metal halide and described magnesium halide can be: (1-40): 1; The mass ratio of described poly-hydroxy solids and magnesium halide carrier is (0.1-10): 100.Preferred, described magnesium halide carrier, transition metal halide, C
1-5Alcohol, greater than C
5The mol ratio of pure and mild silicoorganic compound be: 1:(1-40): (0.01-5): (0.01-10): (0.01-10).
The solid main catalyst that obtains is mainly by Mg, Ti, and Cl, C, Si, O, H etc. are elementary composition.
Described organic solvent is selected from C
5~C
15Stable hydrocarbon, C
5~C
10Alicyclic hydrocarbon, C
6~C
15Aromatic hydrocarbon or C
3~C
10The saturated heterocyclic hydrocarbon, preferred toluene, dimethylbenzene, hexane, heptane, octane, decane hexanaphthene or tetrahydrofuran (THF), or their mixed solvent.
The preparation method of olefin polymerization catalysis provided by the present invention also comprises the step of promotor with the solid main catalyst combination that obtains.Can adopt the promotor for olefin polymerization catalysis well known in the art.For example, described promotor is organo-aluminium compound, preferred triethyl aluminum, triisobutyl aluminium, tri-n-hexyl aluminum, second chlorodiethyl aluminium, methylaluminoxane MAO etc.The mol ratio of Primary Catalysts and promotor is (1:10)-500.
The present invention also provides the application of aforementioned Catalysts for Olefin Polymerization.The purposes of olefin polymerization catalysis provided by the present invention is: the copolymerization catalyst that can be used as vinyl polymerization or propylene polymerization or ethene (or propylene) and alpha-olefin.Wherein, described alpha-olefin is selected from C
3~C
20Alkene, preferred propylene, 1-butylene, 1-hexene, 1-octene, 1-decene, 3-methyl-1-butene, cyclopentenes, 4-methyl-1-pentene, 1,3-butadiene, isoprene, vinylbenzene, vinyl toluene etc.
Olefin polymerization catalysis provided by the present invention has following beneficial effect:
The Primary Catalysts particle form of the alpha-olefinic copolymerization catalyzer that provides of the present invention is good, spherical in shape, the non-stick container wall, easily process; The hydrogen regulation performance of catalyzer is excellent, and poly melting index MFR can regulate in 0.1g/10min-600g/10min; Catalyst activity is high; Be applicable to slurry polymerization processes, endless tube polymerization technique, gas-phase polymerization process or polymerization mix technique; The preparation method is simple, and is low for equipment requirements, and environmental pollution is little.
Adopt GC to measure ethanol and other pure quality percentage composition in Primary Catalysts, the results are shown in Table 1.
Adopt ICP to measure Mg in Primary Catalysts, the quality percentage composition of Ti and Si.
The condition determination of the melting index of polyethylene and polyethylene and ethylene copolymers is that testing load is that 5kg, temperature are 190 ℃.
The condition determination of the melting index of isotatic polypropylene is that testing load is that 2.16kg, temperature are 230 ℃.
The invention will be further described below in conjunction with embodiment, but protection scope of the present invention is not limited only to following embodiment.
Embodiment
Embodiment 1
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 0.2ml, isooctyl alcohol 6.5ml stirs and is warming up to 120 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 5ml, reaction 2h.System is down under-15 ℃, drips the 30ml titanium tetrachloride, then add fructose 0.01 gram, reaction 1h is warming up to 110 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 2
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 30ml, ethanol 0.25ml, isooctyl alcohol 7ml stirs and is warming up to 120 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 60 ℃, add tetraethoxysilane 0.5ml, reaction 2h.System is down under-10 ℃, drips the 20ml titanium tetrachloride, then add tetrahydroxy eight siloxanes 0.2 grams, reaction 1h is warming up to 100 ℃ and reacts 3h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 10 ℃ in reactor, be added dropwise to the 40ml titanium tetrachloride, reaction 1h is warming up to 65 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 60 ℃ of vacuum-dryings 3 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 3
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 0.2ml, isooctyl alcohol 8ml stirs and is warming up to 100 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 2ml, reaction 2h.System is down under-15 ℃, drips the 15ml titanium tetrachloride, then add tetrahydroxy POSS0.2 gram, reaction 1h is warming up to 65 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and hexane washed twice (each 30 milliliters) after 2 hours, adds n-decane 20ml at 0 ℃ in 70 ℃ of vacuum-dryings in reactor, be added dropwise to the 25ml titanium tetrachloride, and reaction 1h is warming up to 65 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 50 ℃ of vacuum-dryings 4 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 4
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 2ml, isooctyl alcohol 7ml stirs and is warming up to 90 ℃, reaction 4h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add triethoxy methoxy silane 0.5ml, reaction 2h.System is down under-15 ℃, drips the 15ml titanium tetrachloride, then add eight hydroxyl POSS0.1 grams, reaction 1h is warming up to 120 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered.Add n-decane 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 80 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 5
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 0.1ml, isooctyl alcohol 4ml stirs and is warming up to 80 ℃, reaction 5h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 4ml, reaction 2h.System is down under-15 ℃, drips the 15ml titanium tetrachloride, then add carbonoxide pipe 0.05 gram, reaction 3h is warming up to 90 ℃ and reacts 2h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 90 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 6
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 2.5ml, isooctyl alcohol 3ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 8ml, reaction 2h.System is down under-15 ℃, drips the 40ml titanium tetrachloride, then add carbonoxide ball 0.05 gram, reaction 1h is warming up to 70 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 100 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 7
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, isooctyl alcohol 6.5ml stirs and is warming up to 60 ℃, reaction 4h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add successively triethoxy cyclopentyloxy silane 3ml and ethanol 0.2ml, reaction 3h.System is down under-15 ℃, drips the 15ml titanium tetrachloride, then add graphite oxide 0.05 gram, reaction 1h is warming up to 65 ℃ and reacts 4h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 20 ℃ in reactor, be added dropwise to the 40ml titanium tetrachloride, reaction 1h is warming up to 65 ℃ and reacts 3h again.Stop stirring, standing, layering is filtered, twice of toluene wash (each 30 milliliters), and four times (each 30 milliliters) of hexane washing in 60 ℃ of vacuum-dryings 3 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 8
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 0.3ml, decyl alcohol 6ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add successively diethoxy isopropoxy tert.-butoxy silane 5ml, reaction 3h.System is down under-10 ℃, drips the 30ml titanium tetrachloride, then add silica gel 0.1 gram, reaction 1h is warming up to 80 ℃ and reacts 3h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 15 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 15 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 60 ℃ of vacuum-dryings 4 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 9
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, propyl alcohol 3ml, isooctyl alcohol 6.5ml stirs and is warming up to 50 ℃, reaction 5h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add aluminum oxide 0.05 gram, reaction 1h is warming up to 90 ℃ and reacts 2h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 110 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 10
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 30ml, butanols 4ml, isooctyl alcohol 6.5ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under-5 ℃, drips the 15ml titanium tetrachloride, then add chitin 0.03 gram, reaction 1h is warming up to 90 ℃ and reacts 2h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 10 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 10 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 120 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 11
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, methyl alcohol 2ml, lauryl alcohol 5ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is cooled to 25 ℃, then is added dropwise in the 25ml titanium tetrachloride that is in-10 ℃, then add modified-cellulose 0.07 gram, at 0 ℃ of reaction 1h, be warming up to 110 ℃ and react again 2h in 4 hours.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 50 ℃ of vacuum-dryings 3 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 12
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 0.5ml, isooctyl alcohol 6.5ml stirs and is warming up to 120 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 60 ℃, add tetraethoxysilane 6ml, reaction 2h.System is cooled to 25 ℃, then is added dropwise in the 25ml titanium tetrachloride that is in-15 ℃, then add magnesium chloride 0.2 gram, at-5 ℃ of reaction 1h, be warming up to 100 ℃ and react again 2h in 4 hours.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 50 ℃ of vacuum-dryings 3 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 13
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 0.1ml, isooctyl alcohol 6.5ml stirs and is warming up to 110 ℃, reaction 3h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 2ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add silica gel 0.05 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 3h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 2h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 50 ℃ of vacuum-dryings 4 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 14
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1ml, isooctyl alcohol 6.5ml stirs and is warming up to 100 ℃, reaction 4h, solid dissolves the solution that forms homogeneous fully.System is down under-15 ℃, drips the 15ml titanium tetrachloride, then add dihydroxyl POSS0.1 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 60 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 15
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 0.4ml, isooctyl alcohol 6.5ml stirs and is warming up to 120 ℃, reaction 0.5h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add succinate 6ml, reaction 2h.System is down under-15 ℃, drips the 15ml titanium tetrachloride, then add trihydroxy-six siloxanes 0.05 grams, reaction 1h is warming up to 90 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and hexane washed twice (each 30 milliliters) adds n-decane 20ml at 0 ℃ in 60 ℃ of vacuum-dryings after 2 hours in reactor, be added dropwise to the 25ml titanium tetrachloride, and reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add n-decane 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 60 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 16
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 0.5ml, methyl alcohol 1ml, isooctyl alcohol 7ml stirs and is warming up to 100 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add silica gel 0.15 gram, reaction 1h is warming up to 100 ℃ and reacts 2h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 110 ℃ and reacts 2h again.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 110 ℃ and reacts 2h again.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 17
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1ml, propyl alcohol 2ml, isooctyl alcohol 6ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add carbonoxide ball 0.03 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 18
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1ml, isooctyl alcohol 6ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add season pentanediol 0.08 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 19
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1ml, isooctyl alcohol 6ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add tetramethylolmethane 0.1 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 20
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1ml, isooctyl alcohol 6ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add pyrocatechol 0.08 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 21
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1ml, isooctyl alcohol 6ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add fructose 0.1 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 22
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1ml, isooctyl alcohol 6ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add starch 0.08 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 23
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1ml, isooctyl alcohol 6ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add Mierocrystalline cellulose 0.08 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Embodiment 24
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1ml, isooctyl alcohol 6ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 6ml, reaction 2h.System is down under 0 ℃, drips the 15ml titanium tetrachloride, then add chitosan 0.1 gram, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 70 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Comparative Examples 1
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, decane 20ml, isooctyl alcohol 6.5ml stirs and is warming up to 110 ℃, reaction 2h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 5ml, reaction 2h.System is down under-15 ℃, drips the 15ml titanium tetrachloride, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 80 ℃ of vacuum-dryings 2 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.The hydrogen regulation performance of catalyzer is poor.
Comparative Examples 2
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, decane 20ml, ethanol 2ml, isooctyl alcohol 6.5ml stirs and is warming up to 120 ℃, reaction 3h, solid dissolves the solution that forms homogeneous fully.Be cooled under 50 ℃, add tetraethoxysilane 5ml, reaction 2h.System is down under-15 ℃, drips the 15ml titanium tetrachloride, reaction 1h is warming up to 90 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, hexane washed twice (each 30 milliliters) is filtered in layering.Add toluene 20ml at 0 ℃ in reactor again, be added dropwise to the 25ml titanium tetrachloride, reaction 1h is warming up to 80 ℃ of reaction 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 60 ℃ of vacuum-dryings 2 hours, obtain the pulverulent solids Primary Catalysts.MgCl
2Alcohol adducts is separated out solid when lesser temps.The particle form of Primary Catalysts is poor.
Application mode one
Vinyl polymerization: 2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 20mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 1.17ml (2mmol/ml) is filled with hydrogen 0.73MPa after being warming up to 70 ℃, then is filled with ethene to 1.0MPa, constant voltage isothermal reaction 2h.
Application mode two
Ethylene copolymerization: 2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component 20mg successively in still, dehydration hexane 1000ml, AlEt
3Solution 1.17ml (2mmol/ml) adds the 30ml1-hexene.After being warming up to 70 ℃, be filled with hydrogen 0.28MPa, then be filled with ethene to 0.73MPa, constant voltage isothermal reaction 2h.
Application mode three
Propylene polymerization: 2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component 10mg successively in still, dehydration hexane 1000ml, AlEt
3Solution 1.17ml (2mmol/ml) adds external electron donor triethoxy cyclopentyloxy silicon 4ml (0.18M hexane solution), after being warming up to 80 ℃, is filled with hydrogen 0.1MPa, then is filled with propylene to 3MPa, constant voltage isothermal reaction 2h.Polyacrylic melting index MFR=111g/10min.
Polymerization result sees Table 2.
Melt index sees Table 3.
Embodiment 25
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1.5ml, isooctyl alcohol 6.5ml stirs and is warming up to 120 ℃, reaction 3h, solid dissolves the solution that forms homogeneous fully.Be cooled under 60 ℃, add tetraethoxysilane 2ml, reaction 2h.System is down under-5 ℃, drips the 25ml titanium tetrachloride, then add graphene oxide 0.03 gram, reaction 1h; Be warming up to 110 ℃ in 4 hours, then react 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 50 ℃ of vacuum-dryings 4 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Vinyl polymerization
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 10mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 0.6ml (2mmol/ml) is filled with hydrogen 0.1MPa after being warming up to 70 ℃, then is filled with ethene to 0.8MPa, constant voltage isothermal reaction 1h.
Obtain polyethylene 253.2 grams, tap density BD=0.35, melting index MFR=0.3g/10min.
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 10mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 0.6ml (2mmol/ml) is filled with hydrogen 0.28MPa after being warming up to 70 ℃, then is filled with ethene to 0.73MPa, constant voltage isothermal reaction 2h.
Obtain polyethylene 220.5 grams, tap density BD=0.33, melting index MFR=4.1g/10min.
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 50mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 3.0ml (2mmol/ml) is filled with hydrogen 0.73MPa after being warming up to 70 ℃, then is filled with ethene to 1.0MPa, constant voltage isothermal reaction 1h.
Obtain polyethylene 183.6 grams, tap density BD=0.29, melting index MFR=580g/10min.
Embodiment 26
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 1.5ml, isooctyl alcohol 6.5ml stirs and is warming up to 120 ℃, reaction 3h, solid dissolves the solution that forms homogeneous fully.Be cooled under 60 ℃, add tetraethoxysilane 2ml, reaction 2h.System is cooled to 25 ℃, then is added dropwise in the 25ml titanium tetrachloride that is in-15 ℃, then add silica gel 0.15 gram, at 0 ℃ of reaction 1h; Be warming up to 110 ℃ in 4 hours, then react 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 50 ℃ of vacuum-dryings 4 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Vinyl polymerization
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 10mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 0.6ml (2mmol/ml) is filled with hydrogen 0.1MPa after being warming up to 70 ℃, then is filled with ethene to 0.8MPa, constant voltage isothermal reaction 1h.
Obtain polyethylene 265.3 grams, tap density BD=0.35, melting index MFR=0.28g/10min.
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 10mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 0.6ml (2mmol/ml) is filled with hydrogen 0.28MPa after being warming up to 70 ℃, then is filled with ethene to 0.73MPa, constant voltage isothermal reaction 2h.
Obtain polyethylene 228.3 grams, tap density BD=0.33, melting index MFR=3.4g/10min.
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 50mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 3.0ml (2mmol/ml) is filled with hydrogen 0.73MPa after being warming up to 70 ℃, then is filled with ethene to 1.0MPa, constant voltage isothermal reaction 1h.
Obtain polyethylene 199.1 grams, tap density BD=0.30, melting index MFR=540g/10min.Comparative Examples 3
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, ethanol 0.3ml, isooctyl alcohol 6.5ml stirs and is warming up to 120 ℃, reaction 3h, solid dissolves the solution that forms homogeneous fully.Be cooled under 60 ℃, add tetraethoxysilane 2ml, reaction 2h.System is cooled to 25 ℃, then is added dropwise in the 25ml titanium tetrachloride that is in-15 ℃, at 0 ℃ of reaction 1h; Be warming up to 110 ℃ in 4 hours, then react 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 50 ℃ of vacuum-dryings 4 hours, obtain good fluidity, size distribution pulverulent solids Primary Catalysts even, spherical in shape.
Vinyl polymerization
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 7mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 0.6ml (2mmol/ml) is filled with hydrogen 0.1MPa after being warming up to 70 ℃, then is filled with ethene to 0.8MPa, constant voltage isothermal reaction 1h.
Obtain polyethylene 215.3 grams, tap density BD=0.33, melting index MFR=0.1g/10min.
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 10mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 0.6ml (2mmol/ml) is filled with hydrogen 0.28MPa after being warming up to 70 ℃, then is filled with ethene to 0.73MPa, constant voltage isothermal reaction 2h.
Obtain polyethylene 218.3 grams, tap density BD=0.31, melting index MFR=1.5g/10min.
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 50mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 3.0ml (2mmol/ml) is filled with hydrogen 0.73MPa after being warming up to 70 ℃, then is filled with ethene to 1.0MPa, constant voltage isothermal reaction 1h.
Obtain polyethylene 222.1 grams, tap density BD=0.29, melting index MFR=486g/10min.
Comparative Examples 4
In the reactor of fully replacing through nitrogen, add the 1g magnesium dichloride, n-decane 20ml, isooctyl alcohol 6ml stirs and is warming up to 90 ℃, reaction 3h, solid not exclusively dissolves.Be cooled under 60 ℃, add tetraethoxysilane 2ml, reaction 2h.System is cooled to 25 ℃, then is added dropwise in the 25ml titanium tetrachloride that is in-15 ℃, at 0 ℃ of reaction 1h; Be warming up to 110 ℃ in 4 hours, then react 2h.Stop stirring, standing, layering is filtered, and four times (each 30 milliliters) of hexane washing in 50 ℃ of vacuum-dryings 4 hours, obtain the pulverulent solids Primary Catalysts.
Vinyl polymerization
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 10mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 0.6ml (2mmol/ml) is filled with hydrogen 0.1MPa after being warming up to 70 ℃, then is filled with ethene to 0.8MPa, constant voltage isothermal reaction 1h.
Obtain polyethylene 115.3 grams, tap density BD=0.30, melting index MFR=0.15g/10min.
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 10mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 0.6ml (2mmol/ml) is filled with hydrogen 0.28MPa after being warming up to 70 ℃, then is filled with ethene to 0.73MPa, constant voltage isothermal reaction 2h.
Obtain polyethylene 88.3 grams, tap density BD=0.29, melting index MFR=1.6g/10min.
2 liters of stainless steel autoclaves after nitrogen is fully replaced, are added main catalyst component component 50mg successively in still, dehydration hexane 1000ml, promotor AlEt
3Solution 3.0ml (2mmol/ml) is filled with hydrogen 0.73MPa after being warming up to 70 ℃, then is filled with ethene to 1.0MPa, constant voltage isothermal reaction 1h.
Obtain polyethylene 52.1 grams, tap density BD=0.27, melting index MFR=187g/10min.
Mg in table 1 Primary Catalysts, Si, C
1-5Alkoxyl group and greater than C
5The quality percentage composition of alkoxyl group
Table 2
Table 3