DE2125800A1 - Verfahren zur Durchführung gesteuerter Polymerisation und Mischpolymerisation von olefinischen Monomeren - Google Patents
Verfahren zur Durchführung gesteuerter Polymerisation und Mischpolymerisation von olefinischen MonomerenInfo
- Publication number
- DE2125800A1 DE2125800A1 DE19712125800 DE2125800A DE2125800A1 DE 2125800 A1 DE2125800 A1 DE 2125800A1 DE 19712125800 DE19712125800 DE 19712125800 DE 2125800 A DE2125800 A DE 2125800A DE 2125800 A1 DE2125800 A1 DE 2125800A1
- Authority
- DE
- Germany
- Prior art keywords
- polymerization
- isobutylene
- moles
- butyllithium
- temperature
- 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.)
- Pending
Links
- 238000006116 polymerization reaction Methods 0.000 title claims description 41
- 238000000034 method Methods 0.000 title claims description 35
- 239000000178 monomer Substances 0.000 title claims description 20
- 230000003197 catalytic effect Effects 0.000 claims description 28
- 238000007334 copolymerization reaction Methods 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 150000002902 organometallic compounds Chemical class 0.000 claims description 4
- 230000000379 polymerizing effect Effects 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 150000004820 halides Chemical class 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910001507 metal halide Inorganic materials 0.000 claims description 2
- 150000005309 metal halides Chemical class 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 49
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 46
- 238000006243 chemical reaction Methods 0.000 description 43
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 42
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 33
- 239000000243 solution Substances 0.000 description 29
- 229910021552 Vanadium(IV) chloride Inorganic materials 0.000 description 28
- JTJFQBNJBPPZRI-UHFFFAOYSA-J vanadium tetrachloride Chemical compound Cl[V](Cl)(Cl)Cl JTJFQBNJBPPZRI-UHFFFAOYSA-J 0.000 description 28
- 229920001577 copolymer Polymers 0.000 description 22
- 239000003054 catalyst Substances 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 18
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 18
- 235000019441 ethanol Nutrition 0.000 description 18
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 18
- 239000011541 reaction mixture Substances 0.000 description 17
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 14
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- 229920005549 butyl rubber Polymers 0.000 description 7
- OZCMOJQQLBXBKI-UHFFFAOYSA-N 1-ethenoxy-2-methylpropane Chemical compound CC(C)COC=C OZCMOJQQLBXBKI-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012662 bulk polymerization Methods 0.000 description 4
- 239000003426 co-catalyst Substances 0.000 description 4
- ONQCKWIDZTZEJA-UHFFFAOYSA-N sodium;pentane Chemical compound [Na+].CCCC[CH2-] ONQCKWIDZTZEJA-UHFFFAOYSA-N 0.000 description 4
- UBZYKBZMAMTNKW-UHFFFAOYSA-J titanium tetrabromide Chemical compound Br[Ti](Br)(Br)Br UBZYKBZMAMTNKW-UHFFFAOYSA-J 0.000 description 4
- NLLZTRMHNHVXJJ-UHFFFAOYSA-J titanium tetraiodide Chemical compound I[Ti](I)(I)I NLLZTRMHNHVXJJ-UHFFFAOYSA-J 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000006184 cosolvent Substances 0.000 description 3
- 150000001993 dienes Chemical class 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000012429 reaction media Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- UJGIYHXRNBCGRE-UHFFFAOYSA-N C(CCCCCCCCCCCCCCC)[Na] Chemical compound C(CCCCCCCCCCCCCCC)[Na] UJGIYHXRNBCGRE-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000002841 Lewis acid Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- -1 carbonium cation Chemical class 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000010538 cationic polymerization reaction Methods 0.000 description 2
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000007517 lewis acids Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- KBGJIKKXNIQHQH-UHFFFAOYSA-N potassium;methanidylbenzene Chemical compound [K+].[CH2-]C1=CC=CC=C1 KBGJIKKXNIQHQH-UHFFFAOYSA-N 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- DSAYAFZWRDYBQY-UHFFFAOYSA-N 2,5-dimethylhexa-1,5-diene Chemical group CC(=C)CCC(C)=C DSAYAFZWRDYBQY-UHFFFAOYSA-N 0.000 description 1
- CSDQQAQKBAQLLE-UHFFFAOYSA-N 4-(4-chlorophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine Chemical compound C1=CC(Cl)=CC=C1C1C(C=CS2)=C2CCN1 CSDQQAQKBAQLLE-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- VHOQXEIFYTTXJU-UHFFFAOYSA-N Isobutylene-isoprene copolymer Chemical group CC(C)=C.CC(=C)C=C VHOQXEIFYTTXJU-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000002524 organometallic group Chemical group 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
- 230000035484 reaction time Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000010092 rubber production Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C08F10/04—Monomers containing three or four carbon atoms
- C08F10/08—Butenes
- C08F10/10—Isobutene
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/08—Butenes
- C08F110/10—Isobutene
-
- 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
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/08—Butenes
- C08F210/10—Isobutene
-
- 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
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/08—Butenes
- C08F210/10—Isobutene
- C08F210/12—Isobutene with conjugated diolefins, e.g. butyl rubber
-
- 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
- C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
- C08F216/14—Monomers containing only one unsaturated aliphatic radical
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS370570 | 1970-05-27 | ||
CS400570A CS150799B1 (en:Method) | 1970-06-08 | 1970-06-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2125800A1 true DE2125800A1 (de) | 1971-12-02 |
Family
ID=25745867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19712125800 Pending DE2125800A1 (de) | 1970-05-27 | 1971-05-25 | Verfahren zur Durchführung gesteuerter Polymerisation und Mischpolymerisation von olefinischen Monomeren |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS4916266B1 (en:Method) |
BE (1) | BE767747A (en:Method) |
CA (1) | CA977305A (en:Method) |
DE (1) | DE2125800A1 (en:Method) |
FR (1) | FR2093800A5 (en:Method) |
GB (1) | GB1349381A (en:Method) |
NL (1) | NL7107338A (en:Method) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5277267U (en:Method) * | 1975-12-05 | 1977-06-09 | ||
JPS5464061U (en:Method) * | 1977-10-12 | 1979-05-07 | ||
JP6657082B2 (ja) | 2014-06-12 | 2020-03-04 | 株式会社ブリヂストン | 多元共重合体、ゴム組成物及びタイヤ |
-
1971
- 1971-05-25 DE DE19712125800 patent/DE2125800A1/de active Pending
- 1971-05-26 JP JP46035574A patent/JPS4916266B1/ja active Pending
- 1971-05-26 GB GB1726271A patent/GB1349381A/en not_active Expired
- 1971-05-27 CA CA114,141A patent/CA977305A/en not_active Expired
- 1971-05-27 BE BE767747A patent/BE767747A/xx unknown
- 1971-05-27 NL NL7107338A patent/NL7107338A/xx not_active Application Discontinuation
- 1971-05-27 FR FR7119201A patent/FR2093800A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7107338A (en:Method) | 1971-11-30 |
GB1349381A (en) | 1974-04-03 |
JPS4916266B1 (en:Method) | 1974-04-20 |
FR2093800A5 (en:Method) | 1972-01-28 |
CA977305A (en) | 1975-11-04 |
BE767747A (fr) | 1971-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1420744B2 (de) | Verfahren zur polymerisation und mischpolymerisation von alpha olefinen | |
DE2125800A1 (de) | Verfahren zur Durchführung gesteuerter Polymerisation und Mischpolymerisation von olefinischen Monomeren | |
DE2236384A1 (de) | Verfahren zur ausfuehrung einer gesteuerten polymerisation und kopolymerisation von monomeren, die eine zur polymerisation nach dem kationischen mechanismus faehige olefinische doppelbindung enthalten | |
DE3050232C2 (de) | Verfahren zur Herstellung von Barium-t-alkoxidhydroxidsalzen und deren Verwendung in Polymerisationsverfahren | |
DE2804533C2 (de) | Verfahren zur Herstellung restmonomerarmer Mischpolymerisate des Acrylnitrils und ihre Verwendung zur Herstellung orthopädischer Formkörper | |
DE2056197B2 (de) | Verfahren zur herstellung von mischpolymerisaten aus styrol und alphamethylstyrol | |
US2965625A (en) | Process of polymerizing a conjugated diene | |
DE2119305C2 (de) | Verfahren zur Polymerisation von Isobutylen für sich allein bzw. mit Dienen | |
DE2160914B2 (de) | Verfahren zum Abdichten von Lecks | |
DE1495851A1 (de) | Verfahren zur Chlormethylierung und Vernetzung hochmolekularer,aromatischer Verbindungen | |
DE1206159B (de) | Verfahren zur Polymerisation von Butadien-(1, 3) | |
DE2140448A1 (de) | Verfahren zur Durchfuhrung einer ge steuerten Polymerisation und Mischpoly mensation mono und diolefimscher Mono mere, die fähig sind, mit einem kationi sehen Mechanismus zu polymerisieren, ins besondere von Isobutylen mit Butadien | |
DE2000245B2 (de) | Polymerisations-Verfahren | |
Minoura et al. | Radical copolymerization of crotonyl compounds with styrene | |
DE2125107C2 (de) | Verfahren zur Herstellung von Polymerisationskatalysatoren und deren Verwendung zur Polymerisation von Äthylen | |
DE1106079B (de) | Verfahren zur Herstellung von Mischpolymeren | |
DE2209757A1 (de) | Verfahren zur herstellung von katalysatoren fuer die polymerisation von olefinen sowie deren verwendung | |
DE1227245B (de) | Verfahren zur Polymerisation von Butadien | |
Imoto et al. | Vinyl Polymerization. XLIII Polymerization of Styrene with Vinylmagnesium Chloride | |
US3448020A (en) | Process for the control of anionic polymerization by regulation of the charge transferred during electrolysis of solutions | |
DE2110743C3 (de) | 07.10.70 Japan P87476-70 Verfahren zur Herstellung eines Mischpolymerisates aus einem konjugierten Dien, insbesondere Butadien und Vinylchlorid Bridgestone Tire Co. Ltd, Tokio | |
AT240597B (de) | Verfahren zum Polymerisieren von Butadien-1,3 oder seiner durch niedere Alkylgruppen substituierten Derivate | |
DE1101761B (de) | Verfahren zur Polymerisation von olefinisch ungesaettigten Monomeren | |
DE1093092B (de) | Verfahren zur Polymerisation von Diolefinen mit konjugierten Doppelbindungen | |
DE1939420C3 (de) | Verfahren zur Herstellung von Blockcopolymerisaten aus 13-Dienen und vinylaromatischen Verbindungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OD | Request for examination | ||
OHN | Withdrawal |