DE2111455A1 - Verfahren zur Herstellung von Polyolefinen - Google Patents
Verfahren zur Herstellung von PolyolefinenInfo
- Publication number
- DE2111455A1 DE2111455A1 DE19712111455 DE2111455A DE2111455A1 DE 2111455 A1 DE2111455 A1 DE 2111455A1 DE 19712111455 DE19712111455 DE 19712111455 DE 2111455 A DE2111455 A DE 2111455A DE 2111455 A1 DE2111455 A1 DE 2111455A1
- Authority
- DE
- Germany
- Prior art keywords
- titanium
- component
- polymerization
- suspension
- magnesium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 230000008569 process Effects 0.000 title claims description 11
- 229920000098 polyolefin Polymers 0.000 title claims description 6
- 239000000725 suspension Substances 0.000 claims description 95
- 239000003054 catalyst Substances 0.000 claims description 79
- 238000006116 polymerization reaction Methods 0.000 claims description 76
- -1 silicic acid ester Chemical class 0.000 claims description 73
- 239000010936 titanium Substances 0.000 claims description 72
- 239000011777 magnesium Substances 0.000 claims description 59
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 54
- 229910052719 titanium Inorganic materials 0.000 claims description 54
- 229910052749 magnesium Inorganic materials 0.000 claims description 46
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 45
- 239000002253 acid Substances 0.000 claims description 20
- 229910052739 hydrogen Inorganic materials 0.000 claims description 20
- 239000001257 hydrogen Substances 0.000 claims description 20
- 150000004820 halides Chemical class 0.000 claims description 18
- 230000000737 periodic effect Effects 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- 229930195733 hydrocarbon Natural products 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000004215 Carbon black (E152) Substances 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 150000002902 organometallic compounds Chemical class 0.000 claims description 10
- 150000001336 alkenes Chemical class 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 239000002685 polymerization catalyst Substances 0.000 claims description 4
- 150000001805 chlorine compounds Chemical class 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- SXSVTGQIXJXKJR-UHFFFAOYSA-N [Mg].[Ti] Chemical compound [Mg].[Ti] SXSVTGQIXJXKJR-UHFFFAOYSA-N 0.000 claims 2
- 239000002283 diesel fuel Substances 0.000 description 80
- 239000004698 Polyethylene Substances 0.000 description 61
- 229920000573 polyethylene Polymers 0.000 description 61
- 150000003609 titanium compounds Chemical class 0.000 description 53
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 28
- 239000005977 Ethylene Substances 0.000 description 28
- 239000002244 precipitate Substances 0.000 description 21
- 239000010414 supernatant solution Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 17
- XDKQUSKHRIUJEO-UHFFFAOYSA-N magnesium;ethanolate Chemical compound [Mg+2].CC[O-].CC[O-] XDKQUSKHRIUJEO-UHFFFAOYSA-N 0.000 description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 238000003756 stirring Methods 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000000460 chlorine Substances 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 9
- 239000002270 dispersing agent Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 238000010557 suspension polymerization reaction Methods 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012685 gas phase polymerization Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical group 0.000 description 2
- 150000004678 hydrides Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000005049 silicon tetrachloride Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- QUVMSYUGOKEMPX-UHFFFAOYSA-N 2-methylpropan-1-olate;titanium(4+) Chemical compound [Ti+4].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-] QUVMSYUGOKEMPX-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 241000158147 Sator Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical class ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- XQKMTQDVCPIKBV-UHFFFAOYSA-N magnesium;2-methylpropan-1-olate Chemical compound [Mg+2].CC(C)C[O-].CC(C)C[O-] XQKMTQDVCPIKBV-UHFFFAOYSA-N 0.000 description 1
- CRGZYKWWYNQGEC-UHFFFAOYSA-N magnesium;methanolate Chemical compound [Mg+2].[O-]C.[O-]C CRGZYKWWYNQGEC-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 230000037048 polymerization activity Effects 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- ZUEKXCXHTXJYAR-UHFFFAOYSA-N tetrapropan-2-yl silicate Chemical compound CC(C)O[Si](OC(C)C)(OC(C)C)OC(C)C ZUEKXCXHTXJYAR-UHFFFAOYSA-N 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712111455 DE2111455A1 (de) | 1971-03-10 | 1971-03-10 | Verfahren zur Herstellung von Polyolefinen |
| ZA721362A ZA721362B (en) | 1971-03-10 | 1972-03-01 | Process for the preparation of polyolefins |
| NL7202854A NL7202854A (enrdf_load_stackoverflow) | 1971-03-10 | 1972-03-03 | |
| AU39786/72A AU468065B2 (en) | 1971-03-10 | 1972-03-08 | Process forthe preparation of polyolefins |
| IT21602/72A IT950013B (it) | 1971-03-10 | 1972-03-08 | Procedimento per la preparazione di poliolefine |
| AT197372A AT312293B (de) | 1971-03-10 | 1972-03-09 | Verfahren zur Herstellung von Polyolefinen |
| GB1132872A GB1357474A (en) | 1971-03-10 | 1972-03-10 | Process for the preparation of polyolefins |
| BE780530A BE780530A (fr) | 1971-03-10 | 1972-03-10 | Procede de preparation de polyolefines |
| FR7208438A FR2147905A1 (enrdf_load_stackoverflow) | 1971-03-10 | 1972-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712111455 DE2111455A1 (de) | 1971-03-10 | 1971-03-10 | Verfahren zur Herstellung von Polyolefinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2111455A1 true DE2111455A1 (de) | 1972-09-28 |
Family
ID=5801084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712111455 Withdrawn DE2111455A1 (de) | 1971-03-10 | 1971-03-10 | Verfahren zur Herstellung von Polyolefinen |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT312293B (enrdf_load_stackoverflow) |
| AU (1) | AU468065B2 (enrdf_load_stackoverflow) |
| BE (1) | BE780530A (enrdf_load_stackoverflow) |
| DE (1) | DE2111455A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2147905A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1357474A (enrdf_load_stackoverflow) |
| IT (1) | IT950013B (enrdf_load_stackoverflow) |
| NL (1) | NL7202854A (enrdf_load_stackoverflow) |
| ZA (1) | ZA721362B (enrdf_load_stackoverflow) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2355886A1 (de) * | 1972-11-10 | 1974-05-16 | Mitsui Petrochemical Ind | Olefinpolymerisationsverfahren |
| US3951935A (en) * | 1973-06-09 | 1976-04-20 | Hoechst Aktiengesellschaft | Process for polymerizing α-olefines |
| DE2729196A1 (de) * | 1976-06-29 | 1978-01-05 | Mitsui Petrochemical Ind | Verfahren zur herstellung von polymeren oder copolymeren von olefinen mit zumindest 3 kohlenstoffatomen |
| EP0002221A1 (de) * | 1977-11-25 | 1979-06-13 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung eines Mischkatalysators und seine Verwendung zur Polymerisation von 1-Olefinen |
| US4232138A (en) * | 1977-12-19 | 1980-11-04 | Standard Oil Company (Indiana) | Olefin polymerization catalyst |
| EP0294354A3 (en) * | 1987-06-05 | 1990-08-08 | Lithium Corporation Of America | Preparation of hydrocarbyloxy-magnesium halides |
| EP0268274A3 (en) * | 1986-11-20 | 1990-09-26 | Mitsubishi Chemical Industries Limited | Method for producing an olefin polymer |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1078995B (it) * | 1977-05-24 | 1985-05-08 | Montedison Spa | Catalizzatori per la polimeriazzazione di olefine |
| JPS55149307A (en) * | 1979-04-09 | 1980-11-20 | Idemitsu Kosan Co Ltd | Ethylene polymerizing method |
| US4246383A (en) | 1979-06-25 | 1981-01-20 | The Dow Chemical Company | Process for polymerizing olefins in the presence of a catalyst prepared from an organomagnesium component which does not reduce TiCl4 |
| US4244838A (en) | 1979-06-25 | 1981-01-13 | The Dow Chemical Company | High efficiency catalyst for polymerizing olefins |
| EP0032309A3 (en) | 1980-01-10 | 1981-08-05 | Imperial Chemical Industries Plc | Production of catalyst component, catalyst and use thereof |
| US4468477A (en) * | 1980-01-10 | 1984-08-28 | Imperial Chemical Industries Plc | Production of catalyst component, catalyst and use thereof |
| IT1150031B (it) * | 1980-07-24 | 1986-12-10 | Montedison Spa | Componenti di catalizzatori per la polimerizzazione dell'etilene |
| US4342855A (en) * | 1980-08-27 | 1982-08-03 | Idemitsu Kosan Company Limited | Process for the production of polyethylene |
| EP0048299A1 (en) * | 1980-09-23 | 1982-03-31 | The Dow Chemical Company | High efficiency catalyst and polymerization of olefins |
| US4496660A (en) * | 1980-10-01 | 1985-01-29 | The Dow Chemical Company | Catalyst prepared from organo-magnesium compound; oxygen- or nitrogen-containing compound; halide source; transition metal compound and reducing agent |
| US4513095A (en) * | 1980-11-24 | 1985-04-23 | National Distillers And Chemical Corporation | Intermetallic compounds of polymeric transition metal oxide alkoxides and catalytic use thereof |
| US4434282A (en) | 1982-10-04 | 1984-02-28 | The Dow Chemical Company | Process for polymerizing olefins |
| US5114897A (en) * | 1990-04-18 | 1992-05-19 | The Dow Chemical Company | Catalyst and process for polymerizing olefins |
| US5045612A (en) * | 1990-04-18 | 1991-09-03 | The Dow Chemical Company | Catalyst and process for polymerizing olefins |
-
1971
- 1971-03-10 DE DE19712111455 patent/DE2111455A1/de not_active Withdrawn
-
1972
- 1972-03-01 ZA ZA721362A patent/ZA721362B/xx unknown
- 1972-03-03 NL NL7202854A patent/NL7202854A/xx unknown
- 1972-03-08 IT IT21602/72A patent/IT950013B/it active
- 1972-03-08 AU AU39786/72A patent/AU468065B2/en not_active Expired
- 1972-03-09 AT AT197372A patent/AT312293B/de not_active IP Right Cessation
- 1972-03-10 BE BE780530A patent/BE780530A/xx unknown
- 1972-03-10 FR FR7208438A patent/FR2147905A1/fr not_active Withdrawn
- 1972-03-10 GB GB1132872A patent/GB1357474A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2355886A1 (de) * | 1972-11-10 | 1974-05-16 | Mitsui Petrochemical Ind | Olefinpolymerisationsverfahren |
| US3951935A (en) * | 1973-06-09 | 1976-04-20 | Hoechst Aktiengesellschaft | Process for polymerizing α-olefines |
| DE2729196A1 (de) * | 1976-06-29 | 1978-01-05 | Mitsui Petrochemical Ind | Verfahren zur herstellung von polymeren oder copolymeren von olefinen mit zumindest 3 kohlenstoffatomen |
| EP0002221A1 (de) * | 1977-11-25 | 1979-06-13 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung eines Mischkatalysators und seine Verwendung zur Polymerisation von 1-Olefinen |
| US4239650A (en) | 1977-11-25 | 1980-12-16 | Hoechst Aktiengesellschaft | Process for the manufacture of a mixed catalyst |
| US4232138A (en) * | 1977-12-19 | 1980-11-04 | Standard Oil Company (Indiana) | Olefin polymerization catalyst |
| EP0268274A3 (en) * | 1986-11-20 | 1990-09-26 | Mitsubishi Chemical Industries Limited | Method for producing an olefin polymer |
| EP0294354A3 (en) * | 1987-06-05 | 1990-08-08 | Lithium Corporation Of America | Preparation of hydrocarbyloxy-magnesium halides |
Also Published As
| Publication number | Publication date |
|---|---|
| IT950013B (it) | 1973-06-20 |
| FR2147905A1 (enrdf_load_stackoverflow) | 1973-03-11 |
| AU468065B2 (en) | 1973-09-13 |
| AT312293B (de) | 1973-12-27 |
| BE780530A (fr) | 1972-09-11 |
| AU3978672A (en) | 1973-09-13 |
| ZA721362B (en) | 1972-11-29 |
| NL7202854A (enrdf_load_stackoverflow) | 1972-09-12 |
| GB1357474A (en) | 1974-06-19 |
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