NO830405L - Etylenpolymerer med lineaer struktur samt fremgangsmaate for deres fremstilling - Google Patents
Etylenpolymerer med lineaer struktur samt fremgangsmaate for deres fremstillingInfo
- Publication number
- NO830405L NO830405L NO830405A NO830405A NO830405L NO 830405 L NO830405 L NO 830405L NO 830405 A NO830405 A NO 830405A NO 830405 A NO830405 A NO 830405A NO 830405 L NO830405 L NO 830405L
- Authority
- NO
- Norway
- Prior art keywords
- stated
- reaction
- carried out
- temperature
- polymerization
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 31
- 229920000573 polyethylene Polymers 0.000 title description 3
- 238000002360 preparation method Methods 0.000 title description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 20
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 19
- 239000005977 Ethylene Substances 0.000 claims description 19
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 18
- 239000010936 titanium Substances 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 13
- 239000004711 α-olefin Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 230000003197 catalytic effect Effects 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 229920001577 copolymer Polymers 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 150000002902 organometallic compounds Chemical class 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 229920001038 ethylene copolymer Polymers 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 150000003609 titanium compounds Chemical class 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 101150040772 CALY gene Proteins 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000008246 gaseous mixture Substances 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 11
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 125000004429 atom Chemical group 0.000 description 8
- 238000009835 boiling Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 150000002366 halogen compounds Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000001282 iso-butane Substances 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- ZWVMLYRJXORSEP-LURJTMIESA-N (2s)-hexane-1,2,6-triol Chemical compound OCCCC[C@H](O)CO ZWVMLYRJXORSEP-LURJTMIESA-N 0.000 description 1
- MLRVZFYXUZQSRU-UHFFFAOYSA-N 1-chlorohexane Chemical compound CCCCCCCl MLRVZFYXUZQSRU-UHFFFAOYSA-N 0.000 description 1
- 240000009226 Corylus americana Species 0.000 description 1
- 235000001543 Corylus americana Nutrition 0.000 description 1
- 235000007466 Corylus avellana Nutrition 0.000 description 1
- 241000208680 Hamamelis mollis Species 0.000 description 1
- 229910003074 TiCl4 Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 150000002896 organic halogen compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920013639 polyalphaolefin Polymers 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
- 150000003254 radicals Chemical class 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 229940118846 witch hazel Drugs 0.000 description 1
- 239000002023 wood 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8219614A IT1210855B (it) | 1982-02-12 | 1982-02-12 | Polimeri dell'etilene a struttura lineare e processi per la loro preparazione. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO830405L true NO830405L (no) | 1983-08-15 |
Family
ID=11159613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO830405A NO830405L (no) | 1982-02-12 | 1983-02-08 | Etylenpolymerer med lineaer struktur samt fremgangsmaate for deres fremstilling |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS58171409A (it) |
| BE (1) | BE895878A (it) |
| CA (1) | CA1203949A (it) |
| CH (1) | CH659076A5 (it) |
| DD (1) | DD207546A5 (it) |
| DE (1) | DE3304758A1 (it) |
| DK (1) | DK59783A (it) |
| ES (1) | ES519970A0 (it) |
| FR (1) | FR2521570B1 (it) |
| GB (1) | GB2114584B (it) |
| GR (1) | GR78079B (it) |
| IE (1) | IE830281L (it) |
| IL (1) | IL67871A (it) |
| IT (1) | IT1210855B (it) |
| LU (1) | LU84641A1 (it) |
| NL (1) | NL8300457A (it) |
| NO (1) | NO830405L (it) |
| PL (1) | PL240435A1 (it) |
| PT (1) | PT76232B (it) |
| RO (1) | RO86175B (it) |
| SE (1) | SE8300602L (it) |
| TR (1) | TR21950A (it) |
| YU (1) | YU27083A (it) |
| ZA (1) | ZA83602B (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5975910A (ja) * | 1982-10-25 | 1984-04-28 | Mitsui Petrochem Ind Ltd | エチレン共重合体 |
| FI68632C (fi) * | 1983-06-22 | 1985-10-10 | Neste Oy | Foerfarande foer framstaellning av sampolymerer av eten och langkedjade alfa-olefiner |
| JPS6088016A (ja) * | 1983-10-21 | 1985-05-17 | Mitsui Petrochem Ind Ltd | エチレン共重合体 |
| IT1176299B (it) * | 1984-06-22 | 1987-08-18 | Anic Spa | Metodo per la preparazione di un catalizzatore a base di zirconio o afnio e processo di polimerizzazione o copolimerizzazione di composti insaturi impiegante lo stesso |
| ES2700449T3 (es) * | 2015-02-23 | 2019-02-15 | Indian Oil Corp Ltd | Procedimiento para preparar un catalizador para la polimerización de olefinas y polimerización |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USB632416I5 (it) * | 1956-03-01 | 1976-03-09 | ||
| DE1420399B2 (de) * | 1956-10-19 | 1972-12-07 | Farbwerke Hoechst AG, vormals Mei ster Lucius & Bruning, 6000 Frankfurt | Verfahren zur herstellung von modifiziertem polyaethylen |
| GB847706A (en) * | 1957-04-17 | 1960-09-14 | Exxon Research Engineering Co | Process for making plastic ethylene-butene copolymers, and products thereof |
| GB1131528A (en) * | 1966-08-01 | 1968-10-23 | Du Pont | Ethylene polymerisation process and apparatus |
| US3666736A (en) * | 1969-03-24 | 1972-05-30 | Phillips Petroleum Co | Low density ethylene-butene copolymers |
| AR206852A1 (es) * | 1975-03-10 | 1976-08-23 | Union Carbide Corp | Procedimiento para preparar polimeros de etileno de densidad baja y media en un reactor de lecho fluido |
| GR60862B (en) * | 1976-01-30 | 1978-09-01 | Snam Progetti | Process for olephines polymerization and compositions suitable for the polymerization |
| JPS5952643B2 (ja) * | 1977-01-27 | 1984-12-20 | 三井化学株式会社 | エチレン共重合体 |
| IT1080687B (it) * | 1977-06-30 | 1985-05-16 | Snam Progetti | Composizioni chimiche a base di titanio trialogenuro,procedimento per la loro preparazione e loro impieghi |
| FR2405961A1 (fr) * | 1977-10-12 | 1979-05-11 | Naphtachimie Sa | Procede de copolymerisation d'olefines en phase gazeuse en presence d'un lit fluidise de copolymere et d'un catalyseur contenant du titane et du magnesium |
| IT1110494B (it) * | 1978-08-02 | 1985-12-23 | Montedison Spa | Polimeri dell etilene e procedimento per la loro preparazione |
| JPS5558210A (en) * | 1978-10-26 | 1980-04-30 | Nippon Oil Co Ltd | Production of copolymer |
| JPS5573712A (en) * | 1978-11-29 | 1980-06-03 | Nippon Oil Co Ltd | Preparation of copolymer |
| IT1130243B (it) * | 1980-02-01 | 1986-06-11 | Anic Spa | Composizione chimica a base di titanio trialogenuro,metodo per la sua preparazione e processo di polimerizzazione o copolimerizzazione di composti insaturi impiegante la stessa |
| JPS57105411A (en) * | 1980-12-23 | 1982-06-30 | Mitsubishi Petrochem Co Ltd | Ethylenic copolymer |
-
1982
- 1982-02-12 IT IT8219614A patent/IT1210855B/it active
-
1983
- 1983-01-28 ZA ZA83602A patent/ZA83602B/xx unknown
- 1983-01-28 GB GB08302384A patent/GB2114584B/en not_active Expired
- 1983-01-28 GR GR70357A patent/GR78079B/el unknown
- 1983-02-04 PL PL24043583A patent/PL240435A1/xx unknown
- 1983-02-04 SE SE8300602A patent/SE8300602L/xx not_active Application Discontinuation
- 1983-02-07 YU YU00270/83A patent/YU27083A/xx unknown
- 1983-02-07 NL NL8300457A patent/NL8300457A/nl not_active Application Discontinuation
- 1983-02-08 CA CA000421142A patent/CA1203949A/en not_active Expired
- 1983-02-08 NO NO830405A patent/NO830405L/no unknown
- 1983-02-08 CH CH708/83A patent/CH659076A5/it not_active IP Right Cessation
- 1983-02-09 IL IL67871A patent/IL67871A/xx unknown
- 1983-02-09 DD DD83247824A patent/DD207546A5/de unknown
- 1983-02-10 JP JP58019843A patent/JPS58171409A/ja active Pending
- 1983-02-10 FR FR8302158A patent/FR2521570B1/fr not_active Expired
- 1983-02-10 LU LU84641A patent/LU84641A1/fr unknown
- 1983-02-10 RO RO109969A patent/RO86175B/ro unknown
- 1983-02-10 BE BE0/210098A patent/BE895878A/fr not_active IP Right Cessation
- 1983-02-11 ES ES519970A patent/ES519970A0/es active Granted
- 1983-02-11 DK DK59783A patent/DK59783A/da not_active Application Discontinuation
- 1983-02-11 DE DE19833304758 patent/DE3304758A1/de not_active Withdrawn
- 1983-02-11 PT PT76232A patent/PT76232B/pt unknown
- 1983-02-11 IE IE830281A patent/IE830281L/xx unknown
- 1983-03-10 TR TR21950A patent/TR21950A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TR21950A (tr) | 1985-12-04 |
| ES8403931A1 (es) | 1984-04-01 |
| NL8300457A (nl) | 1983-09-01 |
| CH659076A5 (it) | 1986-12-31 |
| GB2114584B (en) | 1985-08-14 |
| IT8219614A0 (it) | 1982-02-12 |
| RO86175A (ro) | 1985-03-15 |
| RO86175B (ro) | 1985-03-31 |
| DK59783D0 (da) | 1983-02-11 |
| YU27083A (en) | 1985-10-31 |
| DK59783A (da) | 1983-08-13 |
| GB8302384D0 (en) | 1983-03-02 |
| IL67871A (en) | 1986-12-31 |
| SE8300602D0 (sv) | 1983-02-04 |
| GB2114584A (en) | 1983-08-24 |
| CA1203949A (en) | 1986-04-29 |
| JPS58171409A (ja) | 1983-10-08 |
| DD207546A5 (de) | 1984-03-07 |
| SE8300602L (sv) | 1983-08-13 |
| IL67871A0 (en) | 1983-06-15 |
| LU84641A1 (fr) | 1983-09-08 |
| ES519970A0 (es) | 1984-04-01 |
| GR78079B (it) | 1984-09-26 |
| PL240435A1 (en) | 1983-08-15 |
| FR2521570B1 (fr) | 1987-02-20 |
| IE830281L (en) | 1983-08-12 |
| FR2521570A1 (fr) | 1983-08-19 |
| PT76232A (en) | 1983-03-01 |
| PT76232B (en) | 1986-01-27 |
| IT1210855B (it) | 1989-09-29 |
| BE895878A (fr) | 1983-08-10 |
| ZA83602B (en) | 1983-12-28 |
| DE3304758A1 (de) | 1983-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3888835A (en) | Method for the polymerization of copolymerization of ethylene | |
| KR100853366B1 (ko) | 올레핀 중합체의 제조방법 및 이를 위해 선택된 촉매 | |
| NO167463B (no) | Fremgangsmaate for polymerisasjon av olefiner under anvendelse av en ziegler-natta-katalysator og to organometalliske forbindelser. | |
| NO134802B (it) | ||
| FR2566781A1 (fr) | Procede de polymerisation ou de copolymerisation d'alpha-olefines en lit fluidise, en presence d'un systeme catalytique ziegler-natta | |
| NO163332B (no) | Fremgangsmaate til fremstilling av faste, frittstroemmende hoeyaktivitetspolymeriserings-katalysator-komponenter. | |
| US4175171A (en) | Catalyst for polymerizing α-olefins | |
| US4831090A (en) | Preparation of homopolymers of ethene and copolymers of ethene with higher α-monoolefins using a Ziegler catalyst system | |
| US4525550A (en) | Preparation of homopolymers and copolymers of α-monoolefins using a ziegler catalyst system | |
| NO313804B1 (no) | Alkoksysilacykloalkaner, fremstilling og anvendelse derav | |
| NO830405L (no) | Etylenpolymerer med lineaer struktur samt fremgangsmaate for deres fremstilling | |
| US4380616A (en) | Polymerization of olefins in the presence of chromium-containing catalysts | |
| NO161263B (no) | Fremgangsmaate ved blokk-kopolymerisering for fremstillingav slagfaste etylen-propylen-blokkpolymerer. | |
| US4314053A (en) | Process for reducing polyolefin die smoke | |
| JPS6249281B2 (it) | ||
| US4362654A (en) | Chromium-containing catalysts for polymerizing olefins | |
| SU1688788A3 (ru) | Способ получени катализатора сополимеризации этилена и 1,3 - бутадиена | |
| NO155493B (no) | Fremgangsmaate ved polymerisering av alfa-olefiner, samt katalysatostanddel for anvendelse ved fremgangsmaaten. | |
| US4381383A (en) | Process for producing polyolefins | |
| NO137642B (no) | Fremgangsm}te for polymerisasjon eller kopolymerisasjon av alfa-olefiner hvis molekyl inneholder 2-6 karbonatomer, samt katalytisk element for anvendelse ved fremgangsm}ten | |
| JPH02232207A (ja) | プロピレンの連続重合方法 | |
| GB2045779A (en) | Copolymerisation of ethylene and a di- or polyunsaturated hydrocarbon | |
| US4104199A (en) | Catalyst for the polymerization of ethylene or mixtures of ethylene with terminal olefins | |
| US4379074A (en) | Chemical composition based on titanium trihalide, a method for its preparation, and a process for the polymerization or copolymerization of unsaturated compounds which uses this composition | |
| Masi et al. | Supported hafnium catalysts for ethylene polymerization |