CH580124A5 - - Google Patents
Info
- Publication number
- CH580124A5 CH580124A5 CH52173A CH52173A CH580124A5 CH 580124 A5 CH580124 A5 CH 580124A5 CH 52173 A CH52173 A CH 52173A CH 52173 A CH52173 A CH 52173A CH 580124 A5 CH580124 A5 CH 580124A5
- Authority
- CH
- Switzerland
Links
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
- C08G69/02—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
- C08G69/16—Preparatory processes
- C08G69/18—Anionic polymerisation
- C08G69/20—Anionic polymerisation characterised by the catalysts used
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS27672*#A CS154991B1 (ko) | 1972-01-14 | 1972-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH580124A5 true CH580124A5 (ko) | 1976-09-30 |
Family
ID=5334597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH52173A CH580124A5 (ko) | 1972-01-14 | 1973-01-15 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3919175A (ko) |
| AT (1) | AT334629B (ko) |
| CH (1) | CH580124A5 (ko) |
| CS (1) | CS154991B1 (ko) |
| DE (1) | DE2301784A1 (ko) |
| FR (1) | FR2168101B1 (ko) |
| GB (1) | GB1387214A (ko) |
| IT (1) | IT978175B (ko) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2559749A1 (de) * | 1974-05-21 | 1977-09-15 | Harwe Ag | Verfahren zur herstellung von formkoerpern aus polylaktamen durch aktivierte anionische polymerisation von mittleren laktamen |
| CH623332A5 (en) * | 1975-12-10 | 1981-05-29 | Ceskoslovenska Akademie Ved | Process for the preparation of sodium lactamoaluminates |
| CH602827A5 (ko) * | 1975-12-10 | 1978-08-15 | Vysoka Skola Chem Tech | |
| US4098774A (en) * | 1976-05-19 | 1978-07-04 | Chevron Research Company | Quaternary ammonium catalyst system for the polymerization of 2-pyrrolidone |
| US4124584A (en) * | 1976-07-01 | 1978-11-07 | Ceskoslovenska Akademie Ved | Process of manufacturing sodium lactamoaluminates |
| US5859178A (en) * | 1996-08-22 | 1999-01-12 | Puritek, Inc | Polymerization of caprolactam with certain quaternary ammonium compounds |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3236817A (en) * | 1961-10-17 | 1966-02-22 | Du Pont | Anionic process for preparing high molecular weight polyamides from lactams |
| US3526604A (en) * | 1965-09-01 | 1970-09-01 | Cities Service Co | Polymerization of unsaturated monomers with catalysts formed from the reaction of metals and derivatives of groups i-a and ii-a with compounds of group iii-a |
| DE2124497A1 (de) * | 1971-05-18 | 1972-11-30 | Bayer Ag | Verfahren zur Verbesserung der Polymerisationsfähigkeit von Lactamen |
-
1972
- 1972-01-14 CS CS27672*#A patent/CS154991B1/cs unknown
-
1973
- 1973-01-15 AT AT30673*#A patent/AT334629B/de not_active IP Right Cessation
- 1973-01-15 IT IT19234/73A patent/IT978175B/it active
- 1973-01-15 FR FR737301314A patent/FR2168101B1/fr not_active Expired
- 1973-01-15 DE DE2301784A patent/DE2301784A1/de active Pending
- 1973-01-15 CH CH52173A patent/CH580124A5/xx not_active IP Right Cessation
- 1973-01-15 GB GB207773A patent/GB1387214A/en not_active Expired
- 1973-01-19 US US325088A patent/US3919175A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1387214A (en) | 1975-03-12 |
| FR2168101A1 (ko) | 1973-08-24 |
| FR2168101B1 (ko) | 1977-09-02 |
| DE2301784A1 (de) | 1973-07-19 |
| IT978175B (it) | 1974-09-20 |
| AT334629B (de) | 1976-01-25 |
| ATA30673A (de) | 1976-05-15 |
| CS154991B1 (ko) | 1974-04-30 |
| US3919175A (en) | 1975-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |