FR2278721A1 - Procede d'extraction de polyamides en grains - Google Patents
Procede d'extraction de polyamides en grainsInfo
- Publication number
- FR2278721A1 FR2278721A1 FR7521425A FR7521425A FR2278721A1 FR 2278721 A1 FR2278721 A1 FR 2278721A1 FR 7521425 A FR7521425 A FR 7521425A FR 7521425 A FR7521425 A FR 7521425A FR 2278721 A1 FR2278721 A1 FR 2278721A1
- Authority
- FR
- France
- Prior art keywords
- extracting
- polyamide
- dmf
- polyamides
- purification
- 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
- 239000004952 Polyamide Substances 0.000 title abstract 5
- 229920002647 polyamide Polymers 0.000 title abstract 5
- 238000000746 purification Methods 0.000 title 1
- 238000000605 extraction Methods 0.000 abstract 2
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 150000001408 amides Chemical class 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/46—Post-polymerisation treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742434755 DE2434755C3 (de) | 1974-07-19 | 1974-07-19 | Verfahren zum Extrahieren von körnigen Polyamiden |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2278721A1 true FR2278721A1 (fr) | 1976-02-13 |
| FR2278721B1 FR2278721B1 (enExample) | 1979-05-18 |
Family
ID=5920975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7521425A Granted FR2278721A1 (fr) | 1974-07-19 | 1975-07-08 | Procede d'extraction de polyamides en grains |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5134299A (enExample) |
| CH (1) | CH597278A5 (enExample) |
| DE (1) | DE2434755C3 (enExample) |
| FR (1) | FR2278721A1 (enExample) |
-
1974
- 1974-07-19 DE DE19742434755 patent/DE2434755C3/de not_active Expired
-
1975
- 1975-07-08 FR FR7521425A patent/FR2278721A1/fr active Granted
- 1975-07-17 JP JP8781075A patent/JPS5134299A/ja active Granted
- 1975-07-17 CH CH940075A patent/CH597278A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2278721B1 (enExample) | 1979-05-18 |
| DE2434755C3 (de) | 1978-08-24 |
| DE2434755B2 (de) | 1977-12-22 |
| CH597278A5 (enExample) | 1978-03-31 |
| JPS5134299A (en) | 1976-03-23 |
| JPS5243755B2 (enExample) | 1977-11-01 |
| DE2434755A1 (de) | 1976-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |