DE1923845A1 - Verfahren zur Reinigung von aromatischen Dianhydriden - Google Patents
Verfahren zur Reinigung von aromatischen DianhydridenInfo
- Publication number
- DE1923845A1 DE1923845A1 DE19691923845 DE1923845A DE1923845A1 DE 1923845 A1 DE1923845 A1 DE 1923845A1 DE 19691923845 DE19691923845 DE 19691923845 DE 1923845 A DE1923845 A DE 1923845A DE 1923845 A1 DE1923845 A1 DE 1923845A1
- Authority
- DE
- Germany
- Prior art keywords
- anhydride
- dianhydrides
- aromatic
- dianhydride
- complexes
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 17
- 238000000746 purification Methods 0.000 title claims description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 10
- 125000006159 dianhydride group Chemical group 0.000 claims description 8
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 claims description 8
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 7
- 150000008064 anhydrides Chemical class 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 239000012429 reaction media Substances 0.000 claims description 3
- MGYAGUUKOYNYAT-UHFFFAOYSA-N 2-(oxan-2-yl)oxane Chemical compound O1CCCCC1C1OCCCC1 MGYAGUUKOYNYAT-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 150000008065 acid anhydrides Chemical class 0.000 claims 1
- -1 for example Substances 0.000 description 7
- 229920005575 poly(amic acid) Polymers 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000002950 monocyclic group Chemical group 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 125000003367 polycyclic group Chemical group 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 1
- 244000228957 Ferula foetida Species 0.000 description 1
- 208000007976 Ketosis Diseases 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 150000005840 aryl radicals Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 150000002012 dioxanes Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000004140 ketosis Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR151198 | 1968-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1923845A1 true DE1923845A1 (de) | 1969-11-20 |
Family
ID=8650038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691923845 Withdrawn DE1923845A1 (de) | 1968-05-09 | 1969-05-09 | Verfahren zur Reinigung von aromatischen Dianhydriden |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1923845A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1574843A (enrdf_load_stackoverflow) |
| GB (1) | GB1226695A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54106599A (en) * | 1978-02-09 | 1979-08-21 | Hitachi Chem Co Ltd | Preparation of polyamide intermediate for semiconductor processing |
| JPH0390076A (ja) * | 1989-09-01 | 1991-04-16 | Hitachi Ltd | 酸無水物錯体とその製造法、該錯体を含む組成物等 |
-
1968
- 1968-05-09 FR FR1574843D patent/FR1574843A/fr not_active Expired
-
1969
- 1969-05-09 GB GB1226695D patent/GB1226695A/en not_active Expired
- 1969-05-09 DE DE19691923845 patent/DE1923845A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR1574843A (enrdf_load_stackoverflow) | 1969-07-18 |
| GB1226695A (enrdf_load_stackoverflow) | 1971-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |