GB1346775A - Process for the removal of piperidine-1-oxyl polymerisation inhibitors from acrylonitrile - Google Patents
Process for the removal of piperidine-1-oxyl polymerisation inhibitors from acrylonitrileInfo
- Publication number
- GB1346775A GB1346775A GB1346775DA GB1346775A GB 1346775 A GB1346775 A GB 1346775A GB 1346775D A GB1346775D A GB 1346775DA GB 1346775 A GB1346775 A GB 1346775A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oxyl
- acrylonitrile
- piperidine
- removal
- nitroxide
- 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
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title abstract 4
- 239000003112 inhibitor Substances 0.000 title abstract 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical class ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 abstract 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 abstract 1
- UZFMOKQJFYMBGY-UHFFFAOYSA-N 4-hydroxy-TEMPO Chemical group CC1(C)CC(O)CC(C)(C)N1[O] UZFMOKQJFYMBGY-UHFFFAOYSA-N 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000003729 cation exchange resin Substances 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- -1 nitroxides Chemical class 0.000 abstract 1
- 150000002923 oximes Chemical class 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4555671 | 1971-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1346775A true GB1346775A (en) | 1974-02-13 |
Family
ID=10437652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1346775D Expired GB1346775A (en) | 1971-09-30 | 1971-09-30 | Process for the removal of piperidine-1-oxyl polymerisation inhibitors from acrylonitrile |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE789433A (cg-RX-API-DMAC7.html) |
| FR (1) | FR2155241A5 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1346775A (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0976702A1 (en) * | 1998-07-27 | 2000-02-02 | Nippon Shokubai Co., Ltd. | Method for inhibiting polymerization of a vinyl compound |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5728872A (en) * | 1994-06-27 | 1998-03-17 | Lutz Riemenschneider | Stabilized acrylic acid compositions |
-
0
- BE BE789433D patent/BE789433A/xx unknown
-
1971
- 1971-09-30 GB GB1346775D patent/GB1346775A/en not_active Expired
-
1972
- 1972-08-24 FR FR7230121A patent/FR2155241A5/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0976702A1 (en) * | 1998-07-27 | 2000-02-02 | Nippon Shokubai Co., Ltd. | Method for inhibiting polymerization of a vinyl compound |
| US6664418B1 (en) | 1998-07-27 | 2003-12-16 | Nippon Shokubai Co., Ltd. | Method for inhibiting polymerization of a vinyl compound |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2155241A5 (cg-RX-API-DMAC7.html) | 1973-05-18 |
| BE789433A (fr) | 1973-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |