FR2111820A3 - Caprolactam purification - from 5-hydroxyhexane-nitrile by fractional crystallisation from melt or soln or by selective extra - Google Patents
Caprolactam purification - from 5-hydroxyhexane-nitrile by fractional crystallisation from melt or soln or by selective extraInfo
- Publication number
- FR2111820A3 FR2111820A3 FR7138192A FR7138192A FR2111820A3 FR 2111820 A3 FR2111820 A3 FR 2111820A3 FR 7138192 A FR7138192 A FR 7138192A FR 7138192 A FR7138192 A FR 7138192A FR 2111820 A3 FR2111820 A3 FR 2111820A3
- Authority
- FR
- France
- Prior art keywords
- esp
- fractional crystallisation
- cyclohexane
- hydroxyhexane
- soln
- 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.)
- Granted
Links
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title abstract 4
- 238000001640 fractional crystallisation Methods 0.000 title abstract 3
- VVDWTZRKJFJCGU-UHFFFAOYSA-N 5-hydroxyhexanenitrile Chemical compound CC(O)CCCC#N VVDWTZRKJFJCGU-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 6
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 3
- 150000001335 aliphatic alkanes Chemical class 0.000 abstract 3
- 150000002576 ketones Chemical class 0.000 abstract 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 abstract 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 abstract 2
- -1 aliphatic ester Chemical class 0.000 abstract 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 abstract 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 abstract 1
- 229920002292 Nylon 6 Polymers 0.000 abstract 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 238000003421 catalytic decomposition reaction Methods 0.000 abstract 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 150000001924 cycloalkanes Chemical class 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 150000001983 dialkylethers Chemical class 0.000 abstract 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 abstract 1
- 229960004592 isopropanol Drugs 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5073070 | 1970-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2111820A3 true FR2111820A3 (en) | 1972-06-09 |
| FR2111820B3 FR2111820B3 (enExample) | 1974-06-07 |
Family
ID=10457116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7138192A Granted FR2111820A3 (en) | 1970-10-26 | 1971-10-25 | Caprolactam purification - from 5-hydroxyhexane-nitrile by fractional crystallisation from melt or soln or by selective extra |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE774423A (enExample) |
| DE (1) | DE2153312A1 (enExample) |
| FR (1) | FR2111820A3 (enExample) |
| IT (1) | IT953119B (enExample) |
| NL (1) | NL7114482A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW215084B (en) * | 1992-04-17 | 1993-10-21 | Sumitomo Chemical Co | Process for producing a high purity caprolactam |
-
1971
- 1971-10-20 IT IT3011771A patent/IT953119B/it active
- 1971-10-21 NL NL7114482A patent/NL7114482A/xx unknown
- 1971-10-25 BE BE774423A patent/BE774423A/xx unknown
- 1971-10-25 FR FR7138192A patent/FR2111820A3/fr active Granted
- 1971-10-26 DE DE19712153312 patent/DE2153312A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2111820B3 (enExample) | 1974-06-07 |
| NL7114482A (enExample) | 1972-04-28 |
| IT953119B (it) | 1973-08-10 |
| BE774423A (fr) | 1972-04-25 |
| DE2153312A1 (de) | 1972-04-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |