CN101081889A - Preparation method of cyclolefin copolymer - Google Patents
Preparation method of cyclolefin copolymer Download PDFInfo
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- CN101081889A CN101081889A CN 200710029078 CN200710029078A CN101081889A CN 101081889 A CN101081889 A CN 101081889A CN 200710029078 CN200710029078 CN 200710029078 CN 200710029078 A CN200710029078 A CN 200710029078A CN 101081889 A CN101081889 A CN 101081889A
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- methyl methacrylate
- norbornene
- polymkeric substance
- compound
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Links
- 229920001577 copolymer Polymers 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims description 17
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 33
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 31
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 30
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000002466 imines Chemical class 0.000 claims description 14
- 125000004122 cyclic group Chemical group 0.000 claims description 13
- 125000005574 norbornylene group Chemical group 0.000 claims description 13
- -1 isobutyl- Chemical group 0.000 claims description 10
- 150000002816 nickel compounds Chemical class 0.000 claims description 8
- 239000003849 aromatic solvent Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 abstract description 22
- 239000000178 monomer Substances 0.000 abstract description 12
- 239000003054 catalyst Substances 0.000 abstract description 11
- 150000001875 compounds Chemical class 0.000 abstract description 8
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 229920000089 Cyclic olefin copolymer Polymers 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 54
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 43
- 239000000126 substance Substances 0.000 description 33
- 229910052759 nickel Inorganic materials 0.000 description 26
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 24
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 22
- 230000003197 catalytic effect Effects 0.000 description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 19
- 239000000243 solution Substances 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 14
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 12
- 239000007787 solid Substances 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 9
- 238000007334 copolymerization reaction Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000005481 NMR spectroscopy Methods 0.000 description 8
- 239000003446 ligand Substances 0.000 description 8
- 229940125782 compound 2 Drugs 0.000 description 7
- 238000001953 recrystallisation Methods 0.000 description 7
- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 229960004756 ethanol Drugs 0.000 description 6
- 235000019441 ethanol Nutrition 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical compound C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- TYMLOMAKGOJONV-UHFFFAOYSA-N 4-nitroaniline Chemical compound NC1=CC=C([N+]([O-])=O)C=C1 TYMLOMAKGOJONV-UHFFFAOYSA-N 0.000 description 5
- 229940125904 compound 1 Drugs 0.000 description 5
- 229940126214 compound 3 Drugs 0.000 description 5
- 150000001925 cycloalkenes Chemical class 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000002194 synthesizing effect Effects 0.000 description 4
- 238000002411 thermogravimetry Methods 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 229960000935 dehydrated alcohol Drugs 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000010189 synthetic method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 125000000636 p-nitrophenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)[N+]([O-])=O 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- KAESVJOAVNADME-UHFFFAOYSA-N 1H-pyrrole Natural products C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229920005603 alternating copolymer Polymers 0.000 description 1
- 229920006127 amorphous resin Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910000071 diazene Inorganic materials 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- JMWUYEFBFUCSAK-UHFFFAOYSA-L nickel(2+);octadecanoate Chemical compound [Ni+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O JMWUYEFBFUCSAK-UHFFFAOYSA-L 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 230000000176 photostabilization Effects 0.000 description 1
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Landscapes
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention discloses process of preparing cycloolefine copolymer. The present invention synthesizes norbornene copolymer material with different monomer contents through polymerization of styrene or methyl methacrylate and norbornene in different monomer material ratios at proper temperature and in the presence of catalyst system comprising salicylal imine-Ni compound, polyaluminoxane and triphenyl phosphine.
Description
Technical field
The present invention relates to cyclic olefine copolymer, specifically, relate to a kind of preparation method of cyclic olefine copolymer.
Background technology
In recent years, Chinese scholars has reported that successively late transition metal catalyst catalysis cycloolefin (as norbornylene) carries out the vinyl addition polymerization, and the addition polymer polynorbornene that obtains has advantages such as high temperature resistant, resistance to chemical attack, but because the second-order transition temperature of homopolymer too high (Tg>360 ℃), be unfavorable for processing, limited it and applied; Simultaneously, the norbornylene homopolymer has crystallinity to a certain degree, and the light transmission of polymkeric substance is bad.Therefore,, in the cyclic olefin polymer chain, introduce aliphatic chain, then can improve Drawing abillity, obtain the cyclic olefine copolymer of excellent property by the same ethene of cycloolefin, propylene or other alpha-olefin copolymer.
The cyclic olefine copolymer main chain has the alicyclic structure of large volume, thereby is amorphous resin, and has high second-order transition temperature (80~180 ℃).Cyclic olefine copolymer not only has heat-resistant stability, photostabilization, moisture resistance, hydrolytic resistance and the resistance to chemical reagents of excellent polyolefin resin, and do not produce characteristics such as obnoxious flavour when burning, simultaneously also in the characteristics that yet demonstrate noncrystalline resin aspect the physicalies such as mechanical property, flow characteristics, dimensional precision.Therefore, cyclic olefine copolymer all has imagination space at each industrial field, is mainly used in optical materials such as optical lens, high density compact disc at present; The capacitor film material; Medical material such as medical device and drug container; Film materials such as food packaging film.
At present, being used for the catalyzer that cycloolefin and other monomer copolymerizables prepare cyclic olefine copolymer is metallocene catalysis system and non-luxuriant titanium and zirconium metal catalyst system.Metallocene catalysis system mainly is made up of the metallocene compound and the poly-aikyiaiurnirsoxan beta of titanium and zirconium, and the insertion rate of the cyclic olefine copolymer cycloolefin that this catalyst system polymerization obtains is low, and catalytic activity is not high.Non-luxuriant titanium and zirconium metal catalyst system mainly are by the double salicylaldehyde imines, and the titanium of two pyrrole imines and two β-ketoamine part and Zr metal compound and poly-aikyiaiurnirsoxan beta or boron compound are formed, and resulting copolymerization product mainly is an alternating copolymer.
Norbornylene and other monomeric multipolymers are a kind of good macromolecular materials, are widely used in every field.So far, the copolymerization of norbornylene and vinyl monomer research is more extensive, but the copolymerization of norbornylene and vinylbenzene, methyl methacrylate research is fewer.Norbornylene only has only 5 pieces of relevant documents and patent to report with the copolymerization of styrene monomer, used catalyst system all is that the alpha-diimine nickel of simple nickel stearate, acetylacetonate nickel, bridging is the system of Primary Catalysts, does not see that in addition other catalyst system carries out the report of this respect; And the research that norbornylene and methyl methacrylate copolymer close does not also have report at present.The catalyst system of cycloolefin copolymerization is simple in addition, so the used catalytic amount of polymerization is bigger, and the temperature during copolymerization simultaneously is low excessively, be unfavorable for suitability for industrialized production, and polymer properties is limited.
Summary of the invention
The objective of the invention is to overcome the deficiency that existing cyclic olefine copolymer preparation method exists, provide a kind of can industrial optimal temperature and different monomeric charge than under the preparation method of cyclic olefine copolymer of polymerization reaction take place.
A kind of preparation method of cyclic olefine copolymer, the polymerization reaction take place under the effect of catalyzer by vinylbenzene (or methyl methacrylate) and norbornylene, described catalyzer closes nickel compound, triphenylphosphine and poly-aikyiaiurnirsoxan beta by salicylic alidehyde imine to be formed, and three's mol ratio is 1: 1: 200~1000.Preferred mol ratio is 1: 1: 600~1000.Polymerization temperature is 0~70 ℃, and preferable polymerization temperature is 30~50 ℃.
The structural formula that above-mentioned salicylic alidehyde imine closes nickel compound suc as formula (I) with (II) is:
Wherein R is-NO
2Or-OCH
3
The general formula of above-mentioned poly-aikyiaiurnirsoxan beta is:
-[-Al?R-O-]
n
R is methyl or isobutyl-in the formula, and n is 4 to 40, preferably 15 to 30.Should gather aikyiaiurnirsoxan beta can be by trialkylaluminium and Al
2(SO
4)
318H
2The O reaction obtains.Should poly-aikyiaiurnirsoxan beta can have straight chain, loop chain or branched structure.As methylaluminoxane (MAO).
The inventive method is used above-mentioned catalyst system styrene catalyzed or methyl methacrylate and norbornylene copolymerization, can prepare phenylethylene/norbornene or methyl methacrylate/norbornene copolymer.Polyreaction of the present invention can be carried out in the inertia aromatic solvent.Solvent for use can be an aromatic hydrocarbons, benzene for example, toluene.
The mole of feed rate of vinylbenzene, methyl methacrylate monomer can be between 0% to 100% in the copolymerization.
Compared with prior art, the present invention has following beneficial effect: the present invention is owing to adopt new catalyst system, make the copolymerization of vinylbenzene or methyl methacrylate and norbornylene to carry out under the different monomer feed rates under the temperature of Industry Control (30~70 ℃) being easy to.Nuclear magnetic resonance spectrum (
1H NMR) test shows has prepared phenylethylene/norbornene and methyl methacrylate/norbornene copolymer with the present invention, cinnamic molar content can be regulated and control in 0~25% scope in the multipolymer, and the molar content of methyl methacrylate then can be regulated and control in 0~81% scope; Two kinds of multipolymers of x-ray diffraction test shows all have very low three-dimensional regularity; Differential thermal analysis (DSC) test confirms that two kinds of multipolymers do not have tangible crystallization to exist, and the second-order transition temperature of multipolymer (Tg) is in 100 to 350 ℃ of scopes.
Embodiment
Embodiment 1: salicylic alidehyde imine closes the synthetic of nickel compound 1
Ligand L
1Synthetic:
3mL (28mmol) salicylic aldehyde and 3.86g (28mmol) p-Nitroaniline are joined in the 80mL dehydrated alcohol, and dripped 0.5mL formic acid back flow reaction five hours, stop heating, reaction flask is placed refrigerator overnight, have the orange solid to separate out, filtration drying gets orange powder 6.3g, productive rate 93%.Use ethanol and tetrahydrofuran (THF) mixed solution recrystallization again, obtain the orange crystal.Ultimate analysis measured value (%): N, 11.75; C, 64.91; H, 4.11; Theoretical value (%): N, 11.55; C, 64.45; H, 4.13;
1HNMR:(300MHZ, CDCl
3, δ), 12.55 (s, 1H), 8.63 (s, 1H), 8.31 (d, 2H), 7.44 (m, 4H), 7.00 (m, 2H).
Synthesizing of compound 1:
With the 100mL flask vacuum nitrogen filling gas of band arm, six hydration nickelous acetates, salicylic aldehyde, corresponding 1: 1: 3 in molar ratio ratio of p-Nitroaniline are fed intake, add 30mL ethanol again, back flow reaction 5h, cold filtration get mutually deserved solid, productive rate 77%.The gained solid is used toluene respectively: normal hexane (10: 1) recrystallization gets yellow crystals.The compound ultimate analysis, experimental value C, 58.12; H, 3.69; N, 10.57; Theoretical value C, 57.70; H, 3.33; N, 10.35; FT-IR (KBr): 1612cm
-1(υ
C=N), 1342cm
-1(υ
ArNO2).
Embodiment 2: salicylic alidehyde imine closes the synthetic of nickel compound 2
Ligand L
2Synthetic:
Press ligand L among the embodiment 1
1Synthetic method, 3mL (28mmol) salicylic aldehyde and 3.45g (28mmol) P-nethoxyaniline are joined in the 80mL dehydrated alcohol, and dripped 0.5mL formic acid back flow reaction five hours, stop heating, reaction flask is placed refrigerator overnight, have the yellow-green colour solid to separate out, filtration drying gets solid 5.8g, productive rate 91%.Use ethyl alcohol recrystallization again, get yellow-green colour fish scale shape crystal.Ultimate analysis measured value (%): N, 6.11; C, 73.65; H, 5.69; Theoretical value (%): N, 6.15; C, 73.91; H, 5.71;
1HNMR:(300MHZ, CDCl
3, δ): 13.44 (s, 1H), 8.593 (s, 1H), 7.367 (d, 2H), 7.273 (d, 2H), 6.90~7.1 (m, 4H), 3.844 (s, 3H).
Synthesizing of compound 2:
Synthetic method replaces p-Nitroaniline with the preparation of compound 1 with equimolar P-nethoxyaniline, and gained solid THF: normal hexane (10: 1) recrystallization gets green crystal.The compound ultimate analysis, experimental value C, 65.84; H, 4.45; N, 5.25; Theoretical value C, 65.79; H, 4.70; N, 5.48; FT-IR (KBr): 1619cm
-1(υ
C=N), 1245cm
-1(υ
ArC-O-C).
Embodiment 3: salicylic alidehyde imine closes the synthetic of nickel compound 3
Ligand L
3Synthetic:
With 2 of 125g (0.61mol), 4-di-tert-butylphenol and 170g (1.21mol) hexamethylenetetramine, 300mL Glacial acetic acid join in the three neck round-bottomed flasks of 2L, magnetic agitation, in one hour, slowly be warmed up to 130 ℃, behind the constant temperature 2 hours, be cooled to 75 ℃ and add the H of 300mL33% (W/W)
2SO
4The aqueous solution, under magnetic agitation, solution is warmed up to 105 ℃ and refluxed 1 hour, stop to stir and heating, be cooled to 75 ℃ again, the shift reaction mixed solution is in separatory funnel under constant temperature, after the layering organic phase told and transfer in the 1L reaction flask, add 100mL methyl alcohol after being cooled to 50 ℃, mixed solution is placed the refrigerator internal cooling, have faint yellow solid to separate out, vacuum filtration, the solid that obtains recrystallization in methyl alcohol gets yellow solid 56g, productive rate 40%.Ultimate analysis measured value (%): C, 76.98; H, 9.35; Theoretical value (%): C, 76.88; H, 9.46;
1HNMR:(300MHZ, CDCl
3, δ): 11.65 (s, 1H), 9.87 (s, 1H), 7.59 (d, 1H), 7.35 (d, 1H), 1.43 (s, 9H), 1.33 (s, 9H).
With synthetic 3 in 0.5g (2.1mmol) the first step, the p-Nitroaniline of 5-di-tert-butyl salicylic aldehyde and 0.3g (2.1mmol) joins in the 50mL dehydrated alcohol, and dripped 0.5mL formic acid back flow reaction five hours, stop heating, reaction flask is placed refrigerator overnight, have orange red solid to separate out, filtration drying gets solid 0.65g, productive rate 87%.Use ethyl alcohol recrystallization again, get orange red crystal.Ultimate analysis measured value (%): N, 7.99; C, 71.31; H, 7.19; Theoretical value (%): N, 7.91; C, 71.18; H, 7.34;
1HNMR:(300MHZ, CDCl
3, δ): 13.09 (s, 1H), 8.65 (s, 1H), 8.28 (d, 2H), 7.52 (d, 1H), 7.37 (d, 2H), 7.25 (s, 1H), 1.49 (s, 9H), 1.35 (s, 9H).
Synthesizing of compound 3:
Under nitrogen protection, with imine ligand L
3Among the THF that joined in 1: 1.1 in molar ratio with BuLi,, after system slowly is warming up to room temperature, drain the THF solvent, add 20mL toluene, trans-[NiCl (the Ph) (PPh of amounts such as adding at-75 ℃ of following stirring reactions
3)
2] powder, stirring 24h under the room temperature, solution becomes scarlet, vacuum filtration, concentrated solution adds light sherwood oil, separates out the red-brown powder, filters vacuum-drying 24 hours, promptly gets salicylic alidehyde imine and closes nickel catalyzator.The title complex ultimate analysis, experimental value C, 71.35; H, 6.03; N, 3.46; Theoretical value C, 71.93; H, 5.99; N, 3.73; FT-IR (KBr): 1599cm
-1(υ
C=N), 1334cm
-1(υ
ArNO2).
Embodiment 4: salicylic alidehyde imine nickel compound 4 synthetic
Ligand L
4Synthetic:
The same ligand L of synthetic method
3Preparation, replace p-Nitroaniline with equimolar P-nethoxyaniline, productive rate 90%, recrystallization gets yellow crystals.Ultimate analysis measured value (%): N, 4.14; C, 77.79; H, 8.59; Theoretical value (%): N, 4.13; C, 77.88; H, 8.55;
1HNMR:(300MHZ, CDCl
3, δ): 13.82 (s, 1H), 8.62 (s, 1H), 7.42 (d, 1H), 7.28 (d, 2H), 7.21 (d, 1H), 6.95 (d, 2H), 3.85 (s, 3H), 1.48 (s, 9H), 1.34 (s, 9H).
Synthesizing of compound 4:
With imine ligand L
4Join among the THF of 80% NaH, stir 1h under the room temperature, collect the H that produces
2, filter, add Skellysolve A after the solution concentration, separate out yellow powder, vacuumized dry 24 hours, obtain xanchromatic salicylic alidehyde imine sodium salt powder; Nitrogen protection will wait trans-[NiCl (the Ph) (PPh of amount down
3)
2] and the salicylic alidehyde imine sodium salt join in the reaction flask of 100mL band arm, toluene is made solvent, stirs 6h under the room temperature, solution becomes orange, filter, concentrated solution adds light sherwood oil, separate out the yellowish red color powder, filter vacuum-drying, promptly get salicylic alidehyde imine and close nickel catalyzator.The title complex ultimate analysis, experimental value C, 75.50; H, 6.39; N, 2.23; Theoretical value C, 75.05; H, 6.53; N, 1.90; FT-IR (KBr): 1609cm
-1(υ
C=N), 1218cm
-1(υ
ArC-O-C).
Embodiment 5: phenylethylene/norbornene multipolymer synthetic
In the vial of the 50mL of vacuum and heating drying; under protection of nitrogen gas, add 0.26g methylaluminoxane (MAO) successively; 15mL is through sodium Metal 99.5 backflow exsiccant toluene; 1.88mL norbornylene toluene solution (4.25mol/L); 3.68mL styrene monomer, 5.55 μ mol two [salicylic aldehyde (p-nitrophenyl) imines] close nickel (compound 1) and equimolar triphenylphosphine (n (Al): n (Ni)=800).Under magnetic agitation, 30 ℃ of polymerizations 1 hour add acidifying ethanol termination reaction.The polymeric catalytic activity is 11kg polymkeric substance/mol nickel, and the solvable fraction of the polymkeric substance chloroform of gained is 98%, by
1It is 25% that H NMR records cinnamic content, and the second-order transition temperature (Tg) that is recorded by DSC is 162 ℃, and the decomposition temperature that thermogravimetric analysis (TG) records is 402 ℃.
Embodiment 6: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 5, change into 3.77mL and 2.76mL respectively except the toluene solution and the feeding intake of styrene monomer of norbornene monomer, other condition is identical.Catalytic activity is 41kg polymkeric substance/mol nickel.By
1It is 22.1% that H NMR records cinnamic content, and the second-order transition temperature (Tg) that is recorded by DSC is 170 ℃, and the decomposition temperature that thermogravimetric analysis (TG) records is 408 ℃.
Embodiment 7: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 5, change into 5.65mL and 1.84mL respectively except the toluene solution and the feeding intake of styrene monomer of norbornene monomer, other condition is identical.Catalytic activity is 153kg polymkeric substance/mol nickel, and the solvable fraction of the polymkeric substance chloroform of gained is 89.7%, by
1It is 10.8% that H NMR records cinnamic content,
Embodiment 8: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 5, change into 7.52mL and 0.92mL respectively except the toluene solution and the feeding intake of styrene monomer of norbornene monomer, other condition is identical.Catalytic activity is 263kg polymkeric substance/mol nickel, and the polymkeric substance tetrahydrofuran (THF) of gained and the solvable fraction of chloroform are 96.56%, by
1It is 5% that H NMR records cinnamic content.
Embodiment 9: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 5, except catalyzer is changed to compound 2, other condition is identical.Catalytic activity is 24kg polymkeric substance/mol nickel, and the solvable fraction of the polymkeric substance chloroform of gained is 100%.
Embodiment 10: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 6, except catalyzer is changed to compound 2, other condition is identical.Catalytic activity is 87kg polymkeric substance/mol nickel, and the polymkeric substance tetrahydrofuran (THF) of gained and the solvable fraction of chloroform are 94%.
Embodiment 11: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 7,, except catalyzer is changed to compound 2, other condition is identical.Catalytic activity is 203kg polymkeric substance/mol nickel, and the polymkeric substance tetrahydrofuran (THF) of gained and the solvable fraction of chloroform are 97%.
Embodiment 12: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 8, except catalyzer is changed to compound 2, other condition is identical.Catalytic activity is 281kg polymkeric substance/mol nickel, and the soluble rank of the polymkeric substance chloroform of gained is divided into 99%.
Embodiment 13: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 5, except catalyzer is changed to compound 3, other condition is identical.Catalytic activity is 10.5kg polymkeric substance/mol nickel, and the solvable fraction of the polymkeric substance chloroform of gained is 100%.
Embodiment 14: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 8, except catalyzer is changed to compound 3, other condition is identical.Catalytic activity is 216kg polymkeric substance/mol nickel, and the solvable fraction of the polymkeric substance chloroform of gained is 97%.
Embodiment 15: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 5, except catalyzer is changed to compound 4, other condition is identical.Catalytic activity is 4.7kg polymkeric substance/mol nickel, and the solvable fraction of the polymkeric substance chloroform of gained is 100%.
Embodiment 16: phenylethylene/norbornene multipolymer synthetic
Press the polymerization process of embodiment 8, except catalyzer is changed to compound 4, other condition is identical.Catalytic activity is 173kg polymkeric substance/mol nickel, and the solvable fraction of the polymkeric substance chloroform of gained is 98%.
Embodiment 17: methyl methacrylate/norbornene copolymer synthetic
In the vial of the 50mL of vacuum and heating drying; under protection of nitrogen gas, add 0.34g methylaluminoxane (MAO) successively; 15mL is through sodium Metal 99.5 backflow exsiccant toluene; 1.33mL norbornylene toluene solution (4.25mol/L); 2.4mL methyl methacrylate monomer, 7.4 μ mol two [salicylic aldehyde (p-nitrophenyl) imines] close nickel (compound 1) and equimolar triphenylphosphine (n (Al): n (Ni)=800).Under magnetic agitation, 50 ℃ of polymerizations 1 hour add acidifying ethanol termination reaction.The polymeric catalytic activity is 63.3kg polymkeric substance/mol nickel.By
1The content that H NMR records methyl methacrylate is 81.36%.
Embodiment 18: methyl methacrylate/norbornene copolymer synthetic
Press the polymerization process of embodiment 17, change into 2.63mL and 1.80mL respectively except the toluene solution and the feeding intake of methyl methacrylate monomer of norbornene monomer, other condition is identical.Catalytic activity is 43kg polymkeric substance/mol nickel.By
1The content that H NMR records methyl methacrylate is 75%.
Embodiment 19: methyl methacrylate/norbornene copolymer synthetic
Press the polymerization process of embodiment 17, change into 3.95mL and 1.20mL respectively except the toluene solution and the feeding intake of methyl methacrylate monomer of norbornene monomer, other condition is identical.Catalytic activity is 28.6kg polymkeric substance/mol nickel.By
1The content that H NMR records methyl methacrylate is 62.8%.
Embodiment 20: methyl methacrylate/norbornene copolymer synthetic
Press the polymerization process of embodiment 17, change into 5.30mL and 0.60mL respectively except the toluene solution and the feeding intake of methyl methacrylate monomer of norbornene monomer, other condition is identical.Catalytic activity is 13.6kg polymkeric substance/mol nickel.By
1The content that H NMR records methyl methacrylate is 62.8%.
Embodiment 21: methyl methacrylate/norbornene copolymer synthetic
Press the polymerization process of embodiment 17, except catalyzer is changed to compound 2, polymerization temperature is 30 ℃, and other condition is identical, and catalytic activity is 70.5kg polymkeric substance/mol nickel.
Embodiment 22: methyl methacrylate/norbornene copolymer synthetic
Press the polymerization process of embodiment 21, change into 3.95mL and 1.20mL respectively except the toluene solution and the feeding intake of methyl methacrylate monomer of norbornene monomer, other condition is identical, and catalytic activity is 27.9kg polymkeric substance/mol nickel.
Embodiment 23: methyl methacrylate/norbornene copolymer synthetic
Press the polymerization process of embodiment 17, except catalyzer is changed to compound 3, polymerization temperature is 50 ℃, and other condition is identical, and catalytic activity is 41kg polymkeric substance/mol nickel.
Embodiment 24: methyl methacrylate/norbornene copolymer synthetic
Press the polymerization process of embodiment 17, except catalyzer is changed to compound 4, polymerization temperature is 30 ℃, and other condition is identical, and catalytic activity is 14.6kg polymkeric substance/mol nickel.
Claims (9)
1. the preparation method of a cyclic olefine copolymer, by vinylbenzene or methyl methacrylate and norbornylene polymerization reaction take place under the effect of catalyzer, it is characterized in that: described catalyzer closes nickel compound, triphenylphosphine and poly-aikyiaiurnirsoxan beta by salicylic alidehyde imine to be formed, and three's mol ratio is 1: 1: 200~1000.
2. preparation method as claimed in claim 1 is characterized in that: the mol ratio that described salicylic alidehyde imine closes nickel compound, triphenylphosphine and poly-aikyiaiurnirsoxan beta is 1: 1: 600~1000.
4. preparation method as claimed in claim 1 or 2 is characterized in that: the general formula of described poly-aikyiaiurnirsoxan beta is :-[AlR-O-]
n, wherein R is methyl or isobutyl-, n is 4~40.
5. preparation method as claimed in claim 4 is characterized in that: described n is 15~30.
6. preparation method as claimed in claim 1 or 2 is characterized in that: the temperature of described vinylbenzene or methyl methacrylate and norbornylene polymerization reaction take place is 0~70 ℃.
7. preparation method as claimed in claim 6 is characterized in that: the temperature of described vinylbenzene or methyl methacrylate and norbornylene polymerization reaction take place is 30~50 ℃.
8. preparation method as claimed in claim 1 or 2 is characterized in that: the mole of feed rate of described vinylbenzene or methyl methacrylate is 0~100%.
9. preparation method as claimed in claim 1 or 2 is characterized in that: described polyreaction is carried out in the inertia aromatic solvent.
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