FR2278735A1 - Procede de fabrication de polyamides pulverulents - Google Patents
Procede de fabrication de polyamides pulverulentsInfo
- Publication number
- FR2278735A1 FR2278735A1 FR7521426A FR7521426A FR2278735A1 FR 2278735 A1 FR2278735 A1 FR 2278735A1 FR 7521426 A FR7521426 A FR 7521426A FR 7521426 A FR7521426 A FR 7521426A FR 2278735 A1 FR2278735 A1 FR 2278735A1
- Authority
- FR
- France
- Prior art keywords
- polyamide
- dimethyl formamide
- soln
- cooling
- prodn
- 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.)
- Withdrawn
Links
- 239000004952 Polyamide Substances 0.000 title abstract 6
- 229920002647 polyamide Polymers 0.000 title abstract 6
- 238000001816 cooling Methods 0.000 title abstract 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 title 6
- 239000008187 granular material Substances 0.000 title 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 150000001298 alcohols Chemical class 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/14—Powdering or granulating by precipitation from solutions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742434756 DE2434756C3 (de) | 1974-07-19 | Verfahren zur Herstellung pulverförmiger Polyamide CAvarmsraJa? Wferite-ÄffiJs· AG, 437&Msd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2278735A1 true FR2278735A1 (fr) | 1976-02-13 |
Family
ID=5920976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7521426A Withdrawn FR2278735A1 (fr) | 1974-07-19 | 1975-07-08 | Procede de fabrication de polyamides pulverulents |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5136273A (cg-RX-API-DMAC10.html) |
| CH (1) | CH598282A5 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2278735A1 (cg-RX-API-DMAC10.html) |
-
1975
- 1975-07-08 FR FR7521426A patent/FR2278735A1/fr not_active Withdrawn
- 1975-07-17 CH CH940175A patent/CH598282A5/xx not_active IP Right Cessation
- 1975-07-17 JP JP8781175A patent/JPS5136273A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2434756A1 (de) | 1976-01-29 |
| DE2434756B2 (de) | 1976-08-05 |
| CH598282A5 (cg-RX-API-DMAC10.html) | 1978-04-28 |
| JPS5136273A (ja) | 1976-03-27 |
| JPS547315B2 (cg-RX-API-DMAC10.html) | 1979-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2278735A1 (fr) | Procede de fabrication de polyamides pulverulents | |
| JPS5226400A (en) | Process for recovering valuable metals from metallic scraps as simple carbide or as solid solution | |
| JPS5217199A (en) | Process for separating technetium-99m from molybdenum-99 product | |
| JPS5226379A (en) | Method of washing ultrafiltration membranes | |
| JPS5397664A (en) | Process for removing impurities attached to the surface of solid particles | |
| JPS51125607A (en) | A new process for produciing alloys | |
| JPS523091A (en) | A prcess for preparing cephalosporins | |
| JPS527512A (en) | Automatic gap adjustment appratus in railway coarch brake apparatus | |
| JPS527985A (en) | Process for preparing penicillanic acid derivatives | |
| FR2152901A1 (en) | Fine uniform particles - of given compsn prepared from droplets | |
| JPS51121959A (en) | Method of treating waste liquid from rendering of light-sensitive resi n | |
| JPS51114015A (en) | Feedback clamp circuit | |
| JPS5262207A (en) | Purification process for chloroform | |
| JPS5240473A (en) | Process for recovering and purifying of solvent used for treating meat | |
| JPS51148682A (en) | Process for prodaction of latex type flocculant | |
| JPS5239579A (en) | Production process of solidified pellets from powder and its equipment | |
| JPS51115296A (en) | Process for production of activated carbon | |
| JPS51139509A (en) | A process for production of porous copper moldings | |
| JPS52797A (en) | Purification process of solution of sodium hypochlorite | |
| JPS5320088A (en) | Water wheel speed governor | |
| JPS51149172A (en) | A dehydrating process for sludge | |
| JPS5241972A (en) | Solid-liquid separation by filtration | |
| JPS5249645A (en) | Desalting apparatus | |
| JPS51126285A (en) | Method of suspension polmerization of vinyl monomer containing vinyl c hloride | |
| JPS521123A (en) | Method for melt spinning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |