CA2026488C - Methode d'isolement du brai de phase mesomorphe - Google Patents
Methode d'isolement du brai de phase mesomorphe Download PDFInfo
- Publication number
- CA2026488C CA2026488C CA 2026488 CA2026488A CA2026488C CA 2026488 C CA2026488 C CA 2026488C CA 2026488 CA2026488 CA 2026488 CA 2026488 A CA2026488 A CA 2026488A CA 2026488 C CA2026488 C CA 2026488C
- Authority
- CA
- Canada
- Prior art keywords
- pitch
- mesogens
- solvent
- mesophase
- aromatics
- 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 description 70
- 230000008569 process Effects 0.000 title claims description 59
- 239000011302 mesophase pitch Substances 0.000 title claims description 33
- 239000002904 solvent Substances 0.000 claims abstract description 126
- 230000004907 flux Effects 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 238000005191 phase separation Methods 0.000 claims abstract description 9
- 239000011295 pitch Substances 0.000 claims description 121
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 52
- 238000002791 soaking Methods 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 19
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 150000002390 heteroarenes Chemical class 0.000 claims description 4
- 239000011301 petroleum pitch Substances 0.000 claims description 4
- 239000008096 xylene Substances 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 claims description 2
- 238000002074 melt spinning Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims 3
- 125000001475 halogen functional group Chemical group 0.000 claims 3
- 239000000047 product Substances 0.000 description 21
- 239000007789 gas Substances 0.000 description 15
- 238000002844 melting Methods 0.000 description 15
- 230000008018 melting Effects 0.000 description 15
- 239000012071 phase Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 13
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 10
- 238000000926 separation method Methods 0.000 description 10
- 238000005194 fractionation Methods 0.000 description 9
- 238000013019 agitation Methods 0.000 description 7
- 125000003118 aryl group Chemical group 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000011282 treatment Methods 0.000 description 6
- 239000012296 anti-solvent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000011269 tar Substances 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 150000008282 halocarbons Chemical class 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 239000011877 solvent mixture Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 1
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical class C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 1
- WPDAVTSOEQEGMS-UHFFFAOYSA-N 9,10-dihydroanthracene Chemical compound C1=CC=C2CC3=CC=CC=C3CC2=C1 WPDAVTSOEQEGMS-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011337 anisotropic pitch Substances 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- AFYPFACVUDMOHA-UHFFFAOYSA-N chlorotrifluoromethane Chemical compound FC(F)(F)Cl AFYPFACVUDMOHA-UHFFFAOYSA-N 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Landscapes
- Working-Up Tar And Pitch (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2026488 CA2026488C (fr) | 1990-09-28 | 1990-09-28 | Methode d'isolement du brai de phase mesomorphe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2026488 CA2026488C (fr) | 1990-09-28 | 1990-09-28 | Methode d'isolement du brai de phase mesomorphe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2026488A1 CA2026488A1 (fr) | 1992-03-29 |
| CA2026488C true CA2026488C (fr) | 2001-05-15 |
Family
ID=4146067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2026488 Expired - Fee Related CA2026488C (fr) | 1990-09-28 | 1990-09-28 | Methode d'isolement du brai de phase mesomorphe |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2026488C (fr) |
-
1990
- 1990-09-28 CA CA 2026488 patent/CA2026488C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2026488A1 (fr) | 1992-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |