DD208361A5 - Katalytisches system zur polymerisation von konjugierten diolefinen - Google Patents
Katalytisches system zur polymerisation von konjugierten diolefinen Download PDFInfo
- Publication number
- DD208361A5 DD208361A5 DD83249909A DD24990983A DD208361A5 DD 208361 A5 DD208361 A5 DD 208361A5 DD 83249909 A DD83249909 A DD 83249909A DD 24990983 A DD24990983 A DD 24990983A DD 208361 A5 DD208361 A5 DD 208361A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- component
- catalytic system
- bromide
- chloride
- item
- Prior art date
Links
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 20
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 10
- 150000001993 dienes Chemical class 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- -1 aluminum compound Chemical class 0.000 claims abstract description 7
- 150000004820 halides Chemical class 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 150000001298 alcohols Chemical class 0.000 claims abstract description 5
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 4
- 150000002367 halogens Chemical class 0.000 claims abstract description 4
- 230000000737 periodic effect Effects 0.000 claims abstract description 4
- 125000002877 alkyl aryl group Chemical group 0.000 claims abstract description 3
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 101000588924 Anthopleura elegantissima Delta-actitoxin-Ael1a Proteins 0.000 claims description 8
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 101100081489 Drosophila melanogaster Obp83a gene Proteins 0.000 claims description 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- OSDWBNJEKMUWAV-UHFFFAOYSA-N Allyl chloride Chemical compound ClCC=C OSDWBNJEKMUWAV-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- OHXAOPZTJOUYKM-UHFFFAOYSA-N 3-Chloro-2-methylpropene Chemical compound CC(=C)CCl OHXAOPZTJOUYKM-UHFFFAOYSA-N 0.000 claims description 2
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 claims description 2
- 229940073608 benzyl chloride Drugs 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910052779 Neodymium Inorganic materials 0.000 claims 1
- 229910052777 Praseodymium Inorganic materials 0.000 claims 1
- JWNBYUSSORDWOT-UHFFFAOYSA-N [Kr]Cl Chemical compound [Kr]Cl JWNBYUSSORDWOT-UHFFFAOYSA-N 0.000 claims 1
- VMPVEPPRYRXYNP-UHFFFAOYSA-I antimony(5+);pentachloride Chemical compound Cl[Sb](Cl)(Cl)(Cl)Cl VMPVEPPRYRXYNP-UHFFFAOYSA-I 0.000 claims 1
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 claims 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims 1
- LFGREXWGYUGZLY-UHFFFAOYSA-N phosphoryl Chemical group [P]=O LFGREXWGYUGZLY-UHFFFAOYSA-N 0.000 claims 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- NBRKLOOSMBRFMH-UHFFFAOYSA-N tert-butyl chloride Chemical compound CC(C)(C)Cl NBRKLOOSMBRFMH-UHFFFAOYSA-N 0.000 claims 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 12
- 239000000178 monomer Substances 0.000 description 9
- 239000000725 suspension Substances 0.000 description 6
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000003701 inert diluent Substances 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- VFWCMGCRMGJXDK-UHFFFAOYSA-N 1-chlorobutane Chemical compound CCCCCl VFWCMGCRMGJXDK-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- YTKRILODNOEEPX-NSCUHMNNSA-N crotyl chloride Chemical compound C\C=C\CCl YTKRILODNOEEPX-NSCUHMNNSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013110 organic ligand Substances 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 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
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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)
- Polymerization Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20747/82A IT1151543B (it) | 1982-04-15 | 1982-04-15 | Procedimento per la polimerizzazione di diolefine coniugate e mezzi adatti allo scopo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD208361A5 true DD208361A5 (de) | 1984-05-02 |
Family
ID=11171466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD83249909A DD208361A5 (de) | 1982-04-15 | 1983-04-15 | Katalytisches system zur polymerisation von konjugierten diolefinen |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4436884A (cs) |
| EP (1) | EP0092271B1 (cs) |
| JP (1) | JPS58187403A (cs) |
| AU (1) | AU565132B2 (cs) |
| BR (1) | BR8301766A (cs) |
| CA (1) | CA1192535A (cs) |
| CS (1) | CS246060B2 (cs) |
| DD (1) | DD208361A5 (cs) |
| DE (1) | DE3365242D1 (cs) |
| EG (1) | EG15943A (cs) |
| ES (1) | ES8502451A1 (cs) |
| IE (1) | IE54672B1 (cs) |
| IN (1) | IN161009B (cs) |
| IT (1) | IT1151543B (cs) |
| MX (1) | MX162408A (cs) |
| PL (1) | PL140561B1 (cs) |
| PT (1) | PT76556B (cs) |
| YU (1) | YU43730B (cs) |
| ZA (1) | ZA832521B (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0637589A1 (en) * | 1993-08-06 | 1995-02-08 | ENICHEM ELASTOMERI S.r.l. | New halogenated complexes of lanthanides and their use in the polymerization of unsaturated monomers |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1164238B (it) * | 1983-05-25 | 1987-04-08 | Anic Spa | Procedimento per la polimerizzazione del butadiene |
| IT1186730B (it) * | 1985-06-05 | 1987-12-16 | Enichem Elastomers | Procedimento per la polimerizzazione di isoprene |
| IT1186747B (it) * | 1985-07-01 | 1987-12-16 | Enichem Elastomers | Procedimento migliorato per la polimerizzazione o copolimerizzazione del butadiene |
| IT1265048B1 (it) * | 1993-08-06 | 1996-10-28 | Eniricerche Spa | Complessi metallorganici dei lantanidi e loro uso nella polimerizzazione di monomeri insaturi |
| DE19746266A1 (de) | 1997-10-20 | 1999-04-22 | Bayer Ag | Katalysator auf Basis von Verbindungen der seltenen Erdmetalle für die Polymerisation von ungesättigten organischen Verbindungen |
| DE10115106A1 (de) | 2001-03-27 | 2002-10-10 | Bayer Ag | Blockcopolymerisat auf Basis von konjugierten Diolefinen und polaren Monomeren |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803053A (en) | 1968-05-08 | 1974-04-09 | Atlantic Richfield Co | Lanthanide oligomerization catalyst |
| IT1085542B (it) | 1976-05-14 | 1985-05-28 | Battelle Memorial Institute | Procedimento per la preparazione di catalizzatori di polimerizzazione di olefine |
| DE2830080A1 (de) | 1978-07-08 | 1980-01-17 | Bayer Ag | Katalysator, dessen herstellung und verwendung zur loesungspolymerisation von butadien |
| US4384982A (en) | 1981-05-18 | 1983-05-24 | Phillips Petroleum Company | Process and catalyst for olefin polymerization |
-
1982
- 1982-04-15 IT IT20747/82A patent/IT1151543B/it active
-
1983
- 1983-04-04 BR BR8301766A patent/BR8301766A/pt not_active IP Right Cessation
- 1983-04-08 AU AU13279/83A patent/AU565132B2/en not_active Expired
- 1983-04-11 ZA ZA832521A patent/ZA832521B/xx unknown
- 1983-04-11 EP EP83200505A patent/EP0092271B1/en not_active Expired
- 1983-04-11 MX MX196895A patent/MX162408A/es unknown
- 1983-04-11 DE DE8383200505T patent/DE3365242D1/de not_active Expired
- 1983-04-12 CA CA000425660A patent/CA1192535A/en not_active Expired
- 1983-04-13 EG EG235/83A patent/EG15943A/xx active
- 1983-04-14 IN IN438/CAL/83A patent/IN161009B/en unknown
- 1983-04-14 US US06/484,955 patent/US4436884A/en not_active Expired - Lifetime
- 1983-04-14 IE IE845/83A patent/IE54672B1/en not_active IP Right Cessation
- 1983-04-14 PT PT76556A patent/PT76556B/pt unknown
- 1983-04-15 CS CS832712A patent/CS246060B2/cs unknown
- 1983-04-15 DD DD83249909A patent/DD208361A5/de not_active IP Right Cessation
- 1983-04-15 JP JP58065750A patent/JPS58187403A/ja active Granted
- 1983-04-15 PL PL1983241512A patent/PL140561B1/pl unknown
- 1983-04-15 ES ES521801A patent/ES8502451A1/es not_active Expired
- 1983-04-15 YU YU856/83A patent/YU43730B/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0637589A1 (en) * | 1993-08-06 | 1995-02-08 | ENICHEM ELASTOMERI S.r.l. | New halogenated complexes of lanthanides and their use in the polymerization of unsaturated monomers |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0092271A1 (en) | 1983-10-26 |
| IT1151543B (it) | 1986-12-24 |
| BR8301766A (pt) | 1983-12-13 |
| PT76556B (en) | 1986-03-12 |
| YU43730B (en) | 1989-10-31 |
| EG15943A (en) | 1986-12-30 |
| IE54672B1 (en) | 1990-01-03 |
| CS246060B2 (en) | 1986-10-16 |
| PT76556A (en) | 1983-05-01 |
| AU565132B2 (en) | 1987-09-03 |
| PL241512A1 (en) | 1984-04-24 |
| JPS58187403A (ja) | 1983-11-01 |
| MX162408A (es) | 1991-05-07 |
| CS271283A2 (en) | 1985-12-16 |
| CA1192535A (en) | 1985-08-27 |
| IE830845L (en) | 1983-10-15 |
| AU1327983A (en) | 1983-10-20 |
| ES521801A0 (es) | 1985-01-01 |
| YU85683A (en) | 1985-12-31 |
| PL140561B1 (en) | 1987-05-30 |
| IN161009B (cs) | 1987-09-12 |
| IT8220747A0 (it) | 1982-04-15 |
| ES8502451A1 (es) | 1985-01-01 |
| EP0092271B1 (en) | 1986-08-13 |
| ZA832521B (en) | 1983-12-28 |
| US4436884A (en) | 1984-03-13 |
| JPH0352762B2 (cs) | 1991-08-13 |
| DE3365242D1 (en) | 1986-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0222189B1 (de) | Verfahren und Katalysator zur Herstellung von syndiotaktischem 1,2-Polybutadien | |
| DE2731067C3 (de) | Verfahren zur Herstellung von Polybutadien mit einem hohen Gehalt an Monomereneinheiten in cis-1,4- Struktur | |
| EP0007027B1 (de) | Lösungspolymerisation von konjugierten Dienen | |
| DE2028935C3 (de) | Polyalkenamere und Verfahren zu deren Herstellung | |
| DE1645109B2 (de) | Verfahren zur Verminderung des Kaltflusses von Polymerisaten konjugierter Diene | |
| DE60004437T2 (de) | Verfahren zur Herstellung von Neodymium Neodecanoat und Verwendung davon als Katalysatorbestandteil für die Lösungspolymerisation von Butadien | |
| DE1620927C3 (de) | Verfahren zur Herstellung von cis-1,4-Polybutadien | |
| DD208361A5 (de) | Katalytisches system zur polymerisation von konjugierten diolefinen | |
| DD209582A5 (de) | Katalytisches system fuer die polymerisation konjugierter diolefine | |
| DE2028716C3 (de) | Verfahren zur Herstellung von Polyalkenameren | |
| EP0014886B1 (de) | Katalysator, dessen Herstellung und Verwendung bei der Herstellung von telomeren Polybutadien Homo- oder Copolymerisaten | |
| DE69706620T2 (de) | Kobalt enthaltender Katalysator | |
| DE2605247A1 (de) | Metallhaltige polymere, ihre herstellung und verwendung | |
| DE68907390T2 (de) | Synthese von Polybutadien mit hohem Vinylgehalt unter Anwendung eines Molybdän-Katalysatorsystems. | |
| DE1770970A1 (de) | Verfahren zur katalytischen Hydrierung von Polymeren | |
| DE1253918B (de) | Verfahren zur Herstellung von cis-1, 4-Polybutadien | |
| DD202582A5 (de) | Verfahren zur polymerisation und copolymerisation von alpha-olefinen | |
| DE2503943A1 (de) | Neue katalytische komposition und ihre verwendung zur polymerisierung von cycloolefinen | |
| EP0727447A1 (de) | Neue Trägerkatalysatoren, Verfahren zu deren Herstellung sowie deren Verwendung zur Polymerisation konjugierter Diene in der Gasphase | |
| DE2433904C3 (de) | Katalysatorsystem für die Polymerisation von Äthylen und dessen Verwendung zur Polymerisation von Äthylen | |
| DE3325720C2 (cs) | ||
| DE1793237C3 (de) | Nickel-pi-Allylverbindungen, Verfahren zu ihrer Herstellung sowie deren Verwendung | |
| DE2148071A1 (de) | Verfahren zur Herstellung cyclischer Verbindungen aus konjugierten Dien-Polymeren | |
| DE2102964C3 (de) | Verfahren zur Herstellung von cis-1,4-Polyisopren und Katalysatorsystem zur Durchführung dieses Verfahrens | |
| EP0003300B1 (de) | Katalysator, dessen Herstellung und Verwendung bei der Polymerisation von Butadien |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |