JPS5731742B2 - - Google Patents
Info
- Publication number
- JPS5731742B2 JPS5731742B2 JP14080177A JP14080177A JPS5731742B2 JP S5731742 B2 JPS5731742 B2 JP S5731742B2 JP 14080177 A JP14080177 A JP 14080177A JP 14080177 A JP14080177 A JP 14080177A JP S5731742 B2 JPS5731742 B2 JP S5731742B2
- Authority
- JP
- Japan
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
- C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- 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
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/24—Pyrrolidones or piperidones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyamides (AREA)
- Pyrrole Compounds (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/745,501 US4050994A (en) | 1976-11-26 | 1976-11-26 | Recovery of 2-pyrrolidone from dilute alkaline solutions |
| US05/792,421 US4139696A (en) | 1977-04-29 | 1977-04-29 | Continuous polymerization of 2-pyrrolidone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5367798A JPS5367798A (en) | 1978-06-16 |
| JPS5731742B2 true JPS5731742B2 (enrdf_load_stackoverflow) | 1982-07-06 |
Family
ID=27114468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14080177A Granted JPS5367798A (en) | 1976-11-26 | 1977-11-25 | Polymerization of pyrolidone |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5367798A (enrdf_load_stackoverflow) |
| DE (1) | DE2751535A1 (enrdf_load_stackoverflow) |
| ES (1) | ES464485A1 (enrdf_load_stackoverflow) |
| FR (2) | FR2382471A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1592178A (enrdf_load_stackoverflow) |
| IT (1) | IT1087943B (enrdf_load_stackoverflow) |
| MX (1) | MX4979E (enrdf_load_stackoverflow) |
| NL (1) | NL7713024A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1566154A1 (de) | 2004-02-20 | 2005-08-24 | Argomedical AG | Prothese zum Oberflächenersatz im Bereich der Kugel von Kugelgelenken |
| KR101568908B1 (ko) * | 2013-12-02 | 2015-11-12 | 지에스칼텍스 주식회사 | 입자상 폴리아미드 수지의 연속 제조장치 및 방법 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3681293A (en) * | 1970-09-03 | 1972-08-01 | Radiation Res Corp | Continuous polymerization of 2-pyrrolidone with carbon dioxide as activator |
-
1977
- 1977-11-18 FR FR7734795A patent/FR2382471A1/fr active Granted
- 1977-11-18 DE DE19772751535 patent/DE2751535A1/de not_active Withdrawn
- 1977-11-24 MX MX657877U patent/MX4979E/es unknown
- 1977-11-25 IT IT3006577A patent/IT1087943B/it active
- 1977-11-25 JP JP14080177A patent/JPS5367798A/ja active Granted
- 1977-11-25 GB GB4925777A patent/GB1592178A/en not_active Expired
- 1977-11-25 NL NL7713024A patent/NL7713024A/xx not_active Application Discontinuation
- 1977-11-25 ES ES464485A patent/ES464485A1/es not_active Expired
-
1978
- 1978-05-16 FR FR7814465A patent/FR2382442A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2382442B1 (enrdf_load_stackoverflow) | 1981-01-16 |
| DE2751535A1 (de) | 1978-06-01 |
| FR2382471A1 (fr) | 1978-09-29 |
| GB1592178A (en) | 1981-07-01 |
| IT1087943B (it) | 1985-06-04 |
| MX4979E (es) | 1983-01-28 |
| ES464485A1 (es) | 1979-01-01 |
| FR2382471B1 (enrdf_load_stackoverflow) | 1981-01-02 |
| NL7713024A (nl) | 1978-05-30 |
| JPS5367798A (en) | 1978-06-16 |
| FR2382442A1 (fr) | 1978-09-29 |