JPS6123173B2 - - Google Patents
Info
- Publication number
- JPS6123173B2 JPS6123173B2 JP9518778A JP9518778A JPS6123173B2 JP S6123173 B2 JPS6123173 B2 JP S6123173B2 JP 9518778 A JP9518778 A JP 9518778A JP 9518778 A JP9518778 A JP 9518778A JP S6123173 B2 JPS6123173 B2 JP S6123173B2
- Authority
- JP
- Japan
- Prior art keywords
- diketene
- crotonaldehyde
- exchange resin
- anion exchange
- ketene
- 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
- WASQWSOJHCZDFK-UHFFFAOYSA-N diketene Chemical compound C=C1CC(=O)O1 WASQWSOJHCZDFK-UHFFFAOYSA-N 0.000 claims description 38
- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 claims description 30
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 claims description 30
- 239000003957 anion exchange resin Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 229920000728 polyester Polymers 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 description 12
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 11
- 229940075582 sorbic acid Drugs 0.000 description 11
- 235000010199 sorbic acid Nutrition 0.000 description 11
- 239000004334 sorbic acid Substances 0.000 description 11
- 229920001429 chelating resin Polymers 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 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 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 239000003456 ion exchange resin Substances 0.000 description 5
- 229920003303 ion-exchange polymer Polymers 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007701 flash-distillation Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OFCNGPVEUCUWSR-UHFFFAOYSA-N 3-hydroxyhex-4-enoic acid Chemical compound CC=CC(O)CC(O)=O OFCNGPVEUCUWSR-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- -1 zinc fatty acid Chemical class 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9518778A JPS5522627A (en) | 1978-08-03 | 1978-08-03 | Removal of diketene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9518778A JPS5522627A (en) | 1978-08-03 | 1978-08-03 | Removal of diketene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5522627A JPS5522627A (en) | 1980-02-18 |
| JPS6123173B2 true JPS6123173B2 (enrdf_load_stackoverflow) | 1986-06-04 |
Family
ID=14130742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9518778A Granted JPS5522627A (en) | 1978-08-03 | 1978-08-03 | Removal of diketene |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5522627A (enrdf_load_stackoverflow) |
-
1978
- 1978-08-03 JP JP9518778A patent/JPS5522627A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5522627A (en) | 1980-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR19990067065A (ko) | 부식 금속을 제거하여 카보닐화 촉매 용액의 생산성을 증진시키는 방법 | |
| JPH06340576A (ja) | カルボニル化反応生成物に含有されるヨウ素化合物の除去方法 | |
| US5773642A (en) | Process for the preparation of carboxylic acids or the corresponding esters in the presence of a soluble catalyst based on iridium and iodides | |
| JPS58118529A (ja) | カルボニル化生成物を精製する方法 | |
| JPH08319248A (ja) | ビスフェノールaの製造方法 | |
| JP4284802B2 (ja) | 4−ヒドロキシメチル−1,3−ジオキソラン−2−オンの製造法 | |
| WO2001056970A1 (fr) | Procede de production de terephtalate de bis-?-hydroxyethyle de grande purete | |
| KR950001631B1 (ko) | 글리신의 제조방법 | |
| JPS6123173B2 (enrdf_load_stackoverflow) | ||
| US4946877A (en) | Process for producing bisphenol A | |
| JPH01106832A (ja) | 2−ブチンジオールー1,4の水溶液からホルムアルデヒドを除去する方法 | |
| JPS63190862A (ja) | N−ビニルホルムアミドの回収法 | |
| JPS5929633A (ja) | 酢酸塩水溶液から酢酸を回収する方法 | |
| JPH0442375B2 (enrdf_load_stackoverflow) | ||
| JP2907582B2 (ja) | グリシンの精製方法 | |
| JPH07118215A (ja) | メタクリルアミド水溶液の精製方法 | |
| US4294997A (en) | Process for the control of pH in the ethynylation of formaldehyde | |
| SU544371A3 (ru) | Способ получени 8-оксихинолина | |
| JP2954556B2 (ja) | グリシンの製造方法 | |
| JPS6154021B2 (enrdf_load_stackoverflow) | ||
| JPH0228583B2 (enrdf_load_stackoverflow) | ||
| JPS58206541A (ja) | ヒドロキシフエニル酢酸類の製法 | |
| US4159391A (en) | Process for preparing 1,4-dichloro-2,5-dimethoxybenzene | |
| JPS58120507A (ja) | ヒドラジンの連続的製造方法 | |
| JPH0233021B2 (enrdf_load_stackoverflow) |