JPS6225129B2 - - Google Patents
Info
- Publication number
- JPS6225129B2 JPS6225129B2 JP10362479A JP10362479A JPS6225129B2 JP S6225129 B2 JPS6225129 B2 JP S6225129B2 JP 10362479 A JP10362479 A JP 10362479A JP 10362479 A JP10362479 A JP 10362479A JP S6225129 B2 JPS6225129 B2 JP S6225129B2
- Authority
- JP
- Japan
- Prior art keywords
- recovered
- isoprene
- fraction
- cyclopentadiene
- solvent
- 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
Links
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 70
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 60
- 239000002904 solvent Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 19
- 238000006116 polymerization reaction Methods 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 claims description 13
- 238000000895 extractive distillation Methods 0.000 claims description 6
- 230000000379 polymerizing effect Effects 0.000 claims description 5
- 150000001338 aliphatic hydrocarbons Chemical group 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 229920003211 cis-1,4-polyisoprene Polymers 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims 1
- 238000004821 distillation Methods 0.000 description 13
- 238000000605 extraction Methods 0.000 description 5
- 150000001450 anions Chemical class 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- -1 alkyl lithium Chemical compound 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000126 substance Substances 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
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 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
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 125000002534 ethynyl group Chemical class [H]C#C* 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 125000001979 organolithium group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 229920003212 trans-1,4-polyisoprene Polymers 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
- 239000012808 vapor phase Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10362479A JPS5629527A (en) | 1979-08-16 | 1979-08-16 | Purification of unreacted isoprene and recovered solvent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10362479A JPS5629527A (en) | 1979-08-16 | 1979-08-16 | Purification of unreacted isoprene and recovered solvent |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5629527A JPS5629527A (en) | 1981-03-24 |
JPS6225129B2 true JPS6225129B2 (enrdf_load_stackoverflow) | 1987-06-01 |
Family
ID=14358915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10362479A Granted JPS5629527A (en) | 1979-08-16 | 1979-08-16 | Purification of unreacted isoprene and recovered solvent |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5629527A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6110102U (ja) * | 1984-06-25 | 1986-01-21 | 晃一 星野 | 自動毛髪カ−ラ |
-
1979
- 1979-08-16 JP JP10362479A patent/JPS5629527A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5629527A (en) | 1981-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4177110A (en) | Method for the distillation of vinyl aromatic compounds using polymerization inhibitors with low-volatility | |
US3510405A (en) | Isoprene purification process | |
CA2407234A1 (en) | Process for purifying propylene oxide | |
US4341600A (en) | Polymerization inhibitor for vinyltoluene | |
GB1308924A (en) | Process for the recovery of solvent from an olefin polymerization reaction | |
JPS6054939B2 (ja) | 粗製アクリル酸の精製方法 | |
US2459403A (en) | Segregation of c5 hydrocarbons by extractive and azeotropic distillation | |
US4132603A (en) | Polymerization inhibitor for vinyl aromatic compounds | |
US4147848A (en) | Process for purification of isoprene | |
US4132602A (en) | Polymerization inhibitor for vinyl aromatic compounds | |
US3947506A (en) | Recovery of isoprene | |
JPS6225129B2 (enrdf_load_stackoverflow) | ||
US4054613A (en) | Butadiene production and purification | |
US4418191A (en) | Solvent purification | |
US2788378A (en) | Removal and recovery of impurities from diolefin streams | |
CA1047544A (en) | Process for the obtaining of isobutylene of high purity | |
US3436437A (en) | Process for recovering high purity isoprene by extractive distillation with methoxypropionitrile | |
US3002962A (en) | Polymerization diluent treatment | |
US2982796A (en) | Purification of hydrocarbons | |
US3646237A (en) | Process for recovering isobutylene | |
EP3763749A1 (en) | Method for purifying solvent | |
US3244686A (en) | Solvent purification in the polymerization of butadiene | |
US4132601A (en) | Polymerization inhibitor for vinyl aromatic compounds | |
JP3580619B2 (ja) | エチレン系重合体の製造方法 | |
US3070586A (en) | Catalysts |