RO81645B1 - Procedeu pentru obtinerea difeniloxidului - Google Patents
Procedeu pentru obtinerea difeniloxiduluiInfo
- Publication number
- RO81645B1 RO81645B1 RO103059A RO10305980A RO81645B1 RO 81645 B1 RO81645 B1 RO 81645B1 RO 103059 A RO103059 A RO 103059A RO 10305980 A RO10305980 A RO 10305980A RO 81645 B1 RO81645 B1 RO 81645B1
- Authority
- RO
- Romania
- Prior art keywords
- diphenyloxide
- reaction
- drying
- alkali metal
- phenoxide
- Prior art date
Links
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000001035 drying Methods 0.000 abstract 2
- 239000000284 extract Substances 0.000 abstract 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
- -1 alkali metal phenoxide Chemical class 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 abstract 1
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 abstract 1
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 abstract 1
- 229940112669 cuprous oxide Drugs 0.000 abstract 1
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu pentru obtinerea difeniloxidului potrivit inventiilor 77725 si 77726, prin reactia fenoxidului de metal alcalin anhidru si monoclorbenzen în prezenta de catalizator oxid cupros, la temperaturi între 180 si 260 degree C si presiune 3...10 at si consta în aceea ca separa masa de reactie în fractiunea organica si anorganica prin evaporare-uscare sau prin filtrare-uscare, se purifica masa de reactie prin extractie cu hidroxid de metal alcalin a fenolului, circulînd masa de reactie în contra-curent, eventual cu extractele de la sarjele anterioare, fenoxidul alcalin care constituie extractul se introduce în reactie, iar rafinatul se prelucreaza prin distilare-rectificare în vederea obtinerii difeniloxidului tehnic si a difeniloxidului de înalta puritate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO80103059A RO81645A3 (ro) | 1980-12-31 | 1980-12-31 | Procedeu pentru obtinerea difeniloxidului |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO80103059A RO81645A3 (ro) | 1980-12-31 | 1980-12-31 | Procedeu pentru obtinerea difeniloxidului |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO81645B1 true RO81645B1 (ro) | 1983-05-30 |
| RO81645A3 RO81645A3 (ro) | 1983-06-01 |
Family
ID=20109386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO80103059A RO81645A3 (ro) | 1980-12-31 | 1980-12-31 | Procedeu pentru obtinerea difeniloxidului |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO81645A3 (ro) |
-
1980
- 1980-12-31 RO RO80103059A patent/RO81645A3/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO81645A3 (ro) | 1983-06-01 |
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