CN1051775C - 宽分子量分布乙烯共聚物的制法 - Google Patents
宽分子量分布乙烯共聚物的制法 Download PDFInfo
- Publication number
- CN1051775C CN1051775C CN93120439A CN93120439A CN1051775C CN 1051775 C CN1051775 C CN 1051775C CN 93120439 A CN93120439 A CN 93120439A CN 93120439 A CN93120439 A CN 93120439A CN 1051775 C CN1051775 C CN 1051775C
- Authority
- CN
- China
- Prior art keywords
- compound
- carried out
- polymerization
- reaction
- titanium
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000009826 distribution Methods 0.000 title claims abstract description 9
- 239000005977 Ethylene Substances 0.000 title claims abstract 5
- 229920001577 copolymer Polymers 0.000 title claims abstract 4
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 21
- 150000003609 titanium compounds Chemical class 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 17
- 239000010936 titanium Substances 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 9
- -1 titanium-activated magnesium halide Chemical class 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 6
- 229920001519 homopolymer Polymers 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 14
- 239000011777 magnesium Substances 0.000 claims description 9
- 239000004711 α-olefin Substances 0.000 claims description 9
- 150000001336 alkenes Chemical class 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 229920001903 high density polyethylene Polymers 0.000 claims description 7
- 239000004700 high-density polyethylene Substances 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 125000005843 halogen group Chemical group 0.000 claims description 5
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical group CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000010574 gas phase reaction Methods 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 238000004438 BET method Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 150000002430 hydrocarbons Chemical group 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 2
- 239000001294 propane Substances 0.000 claims description 2
- 229910003074 TiCl4 Inorganic materials 0.000 claims 4
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical group Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims 4
- 229910010062 TiCl3 Inorganic materials 0.000 claims 1
- 238000012685 gas phase polymerization Methods 0.000 claims 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims 1
- 229910052753 mercury Inorganic materials 0.000 claims 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 claims 1
- 125000005234 alkyl aluminium group Chemical group 0.000 abstract description 2
- 230000003197 catalytic effect Effects 0.000 abstract 3
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- 229920001038 ethylene copolymer Polymers 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 239000008247 solid mixture Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000011949 solid catalyst Substances 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000007348 radical reaction Methods 0.000 description 2
- 230000002829 reductive effect Effects 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004708 Very-low-density polyethylene Substances 0.000 description 1
- 238000002083 X-ray spectrum Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001155 polypropylene 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
- 238000007712 rapid solidification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 238000010530 solution phase reaction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 1
- 238000012725 vapour phase polymerization Methods 0.000 description 1
- 229920001866 very low density polyethylene Polymers 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
-
- 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
-
- 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
- C08F10/02—Ethene
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/34—Polymerisation in gaseous state
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/642—Component covered by group C08F4/64 with an organo-aluminium compound
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
- C08F4/652—Pretreating with metals or metal-containing compounds
- C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
- C08F4/6543—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof halides of magnesium
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI92A002821 | 1992-12-11 | ||
| ITMI922821A IT1256647B (it) | 1992-12-11 | 1992-12-11 | Procedimento per la preparazione di (co) polimeri a larga distribuzione di pesi molecolari dell'etilene. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1089623A CN1089623A (zh) | 1994-07-20 |
| CN1051775C true CN1051775C (zh) | 2000-04-26 |
Family
ID=11364443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93120439A Expired - Fee Related CN1051775C (zh) | 1992-12-11 | 1993-12-11 | 宽分子量分布乙烯共聚物的制法 |
Country Status (18)
| Country | Link |
|---|---|
| EP (1) | EP0601524B1 (enExample) |
| KR (1) | KR100289268B1 (enExample) |
| CN (1) | CN1051775C (enExample) |
| AT (1) | ATE168701T1 (enExample) |
| AU (1) | AU672051B2 (enExample) |
| BR (1) | BR9304647A (enExample) |
| CA (1) | CA2111312A1 (enExample) |
| DE (1) | DE69319860T2 (enExample) |
| ES (1) | ES2120469T3 (enExample) |
| FI (1) | FI935551A7 (enExample) |
| IL (1) | IL107959A (enExample) |
| IT (1) | IT1256647B (enExample) |
| MX (1) | MX9307844A (enExample) |
| MY (1) | MY131386A (enExample) |
| NO (1) | NO302033B1 (enExample) |
| RU (1) | RU2126804C1 (enExample) |
| TW (1) | TW294678B (enExample) |
| ZA (1) | ZA939211B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3471099B2 (ja) * | 1994-11-25 | 2003-11-25 | 昭和電工株式会社 | オレフィン重合用触媒担体の製造方法 |
| CN1108312C (zh) * | 1996-12-06 | 2003-05-14 | 旭化成株式会社 | 烯烃聚合催化剂和使用该催化剂制备聚烯烃的方法 |
| TWI471073B (zh) | 2009-12-31 | 2015-01-21 | Unimicron Technology Corp | 線路基板及其製作方法 |
| EP2746299A1 (en) | 2012-12-19 | 2014-06-25 | Basell Poliolefine Italia S.r.l. | Multistage process for the polymerization of ethylene |
| US12415910B2 (en) | 2022-09-15 | 2025-09-16 | Basell Polyolefine Gmbh | Polyethylene composition for blow molding having an improved swell behavior |
| US12351706B2 (en) * | 2022-09-15 | 2025-07-08 | Basell Polyolefine Gmbh | Polyethylene composition for blow molding having an improved swell behavior |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0065700A1 (en) * | 1981-05-21 | 1982-12-01 | ENICHEM ANIC S.p.A. | Improvements in supported catalysts for the polymerization of ethylene |
| US4530980A (en) * | 1983-02-10 | 1985-07-23 | Societa Italiana Resine S.T.R. S.p.A. | Method of copolymerization in suspension of ethylene with straight-chain alpha-olefins to obtain low-density copolymers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1151627B (it) * | 1982-06-10 | 1986-12-24 | Anic Spa | Procedimento per la preparazione di copolimeri dell'etilene con basso valore delle densita' |
| IT1230134B (it) * | 1989-04-28 | 1991-10-14 | Himont Inc | Componenti e catalizzatori per la polimerizzazione di olefine. |
| IT1236509B (it) * | 1989-10-06 | 1993-03-11 | Francesco Masi | Procedimento per la preparazione di copolimeri etilene-butene-1 con densita' ultra-bassa. |
| IT1262935B (it) * | 1992-01-31 | 1996-07-22 | Montecatini Tecnologie Srl | Componenti e catalizzatori per la polimerizzazione di olefine |
-
1992
- 1992-12-11 IT ITMI922821A patent/IT1256647B/it active IP Right Grant
-
1993
- 1993-12-06 AT AT93119645T patent/ATE168701T1/de not_active IP Right Cessation
- 1993-12-06 DE DE69319860T patent/DE69319860T2/de not_active Expired - Fee Related
- 1993-12-06 ES ES93119645T patent/ES2120469T3/es not_active Expired - Lifetime
- 1993-12-06 EP EP93119645A patent/EP0601524B1/en not_active Expired - Lifetime
- 1993-12-08 ZA ZA939211A patent/ZA939211B/xx unknown
- 1993-12-08 BR BR9304647A patent/BR9304647A/pt not_active Application Discontinuation
- 1993-12-08 AU AU52296/93A patent/AU672051B2/en not_active Ceased
- 1993-12-09 NO NO934497A patent/NO302033B1/no unknown
- 1993-12-09 IL IL10795993A patent/IL107959A/en not_active IP Right Cessation
- 1993-12-10 RU RU93054514A patent/RU2126804C1/ru active
- 1993-12-10 MY MYPI93002672A patent/MY131386A/en unknown
- 1993-12-10 FI FI935551A patent/FI935551A7/fi unknown
- 1993-12-10 MX MX9307844A patent/MX9307844A/es not_active Application Discontinuation
- 1993-12-11 CN CN93120439A patent/CN1051775C/zh not_active Expired - Fee Related
- 1993-12-11 KR KR1019930027334A patent/KR100289268B1/ko not_active Expired - Fee Related
- 1993-12-13 CA CA002111312A patent/CA2111312A1/en not_active Abandoned
- 1993-12-22 TW TW082110878A patent/TW294678B/zh active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0065700A1 (en) * | 1981-05-21 | 1982-12-01 | ENICHEM ANIC S.p.A. | Improvements in supported catalysts for the polymerization of ethylene |
| US4530980A (en) * | 1983-02-10 | 1985-07-23 | Societa Italiana Resine S.T.R. S.p.A. | Method of copolymerization in suspension of ethylene with straight-chain alpha-olefins to obtain low-density copolymers |
Also Published As
| Publication number | Publication date |
|---|---|
| MY131386A (en) | 2007-08-30 |
| TW294678B (enExample) | 1997-01-01 |
| DE69319860T2 (de) | 1999-01-21 |
| RU2126804C1 (ru) | 1999-02-27 |
| MX9307844A (es) | 1994-07-29 |
| ITMI922821A1 (it) | 1994-06-11 |
| AU5229693A (en) | 1994-06-23 |
| KR100289268B1 (ko) | 2001-05-02 |
| FI935551L (fi) | 1994-06-12 |
| NO934497L (no) | 1994-06-13 |
| ITMI922821A0 (it) | 1992-12-11 |
| EP0601524A1 (en) | 1994-06-15 |
| ZA939211B (en) | 1994-08-08 |
| FI935551A0 (fi) | 1993-12-10 |
| ATE168701T1 (de) | 1998-08-15 |
| CN1089623A (zh) | 1994-07-20 |
| EP0601524B1 (en) | 1998-07-22 |
| ES2120469T3 (es) | 1998-11-01 |
| AU672051B2 (en) | 1996-09-19 |
| CA2111312A1 (en) | 1994-06-12 |
| IL107959A0 (en) | 1994-04-12 |
| DE69319860D1 (de) | 1998-08-27 |
| NO934497D0 (no) | 1993-12-09 |
| FI935551A7 (fi) | 1994-06-12 |
| IL107959A (en) | 1998-09-24 |
| IT1256647B (it) | 1995-12-12 |
| BR9304647A (pt) | 1994-06-28 |
| KR940014462A (ko) | 1994-07-18 |
| NO302033B1 (no) | 1998-01-12 |
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