GB1276318A - Process for the production of polyamides - Google Patents
Process for the production of polyamidesInfo
- Publication number
- GB1276318A GB1276318A GB3526769A GB3526769A GB1276318A GB 1276318 A GB1276318 A GB 1276318A GB 3526769 A GB3526769 A GB 3526769A GB 3526769 A GB3526769 A GB 3526769A GB 1276318 A GB1276318 A GB 1276318A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lactam
- activator
- july
- specifications
- lactams
- 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.)
- Expired
Links
- 239000004952 Polyamide Substances 0.000 title 1
- 229920002647 polyamide Polymers 0.000 title 1
- 150000003951 lactams Chemical class 0.000 abstract 4
- 239000012190 activator Substances 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- -1 N-substituted amides Chemical class 0.000 abstract 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 2
- KNIUHBNRWZGIQQ-UHFFFAOYSA-N 7-diethoxyphosphinothioyloxy-4-methylchromen-2-one Chemical compound CC1=CC(=O)OC2=CC(OP(=S)(OCC)OCC)=CC=C21 KNIUHBNRWZGIQQ-UHFFFAOYSA-N 0.000 abstract 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001408 amides Chemical class 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000012948 isocyanate Substances 0.000 abstract 1
- 150000002513 isocyanates Chemical class 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 abstract 1
- 238000007086 side reaction Methods 0.000 abstract 1
- 229910000104 sodium hydride Inorganic materials 0.000 abstract 1
- 239000012312 sodium hydride Substances 0.000 abstract 1
- 150000003952 β-lactams Chemical class 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
- C08G69/02—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 |
|---|---|---|---|
| DE19681770968 DE1770968A1 (de) | 1968-07-24 | 1968-07-24 | Verfahren zur Herstellung von Polyamiden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1276318A true GB1276318A (en) | 1972-06-01 |
Family
ID=5700710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3526769A Expired GB1276318A (en) | 1968-07-24 | 1969-07-14 | Process for the production of polyamides |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT292311B (enExample) |
| BE (1) | BE736544A (enExample) |
| CH (1) | CH518326A (enExample) |
| DE (1) | DE1770968A1 (enExample) |
| FR (1) | FR2013620A1 (enExample) |
| GB (1) | GB1276318A (enExample) |
| NL (1) | NL6911317A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11084807B2 (en) | 2016-08-18 | 2021-08-10 | Vidac Pharama Ltd. | Piperazine derivatives, pharmaceutical compositions and methods of use thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2250134A1 (de) * | 1972-10-13 | 1974-04-25 | Cassella Farbwerke Mainkur Ag | Verfahren zur herstellung von substituierten harnstoffen |
-
1968
- 1968-07-24 DE DE19681770968 patent/DE1770968A1/de active Pending
-
1969
- 1969-06-16 CH CH918469A patent/CH518326A/de not_active IP Right Cessation
- 1969-07-14 GB GB3526769A patent/GB1276318A/en not_active Expired
- 1969-07-23 NL NL6911317A patent/NL6911317A/xx unknown
- 1969-07-24 FR FR6925244A patent/FR2013620A1/fr not_active Withdrawn
- 1969-07-24 AT AT713569A patent/AT292311B/de not_active IP Right Cessation
- 1969-07-24 BE BE736544D patent/BE736544A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11084807B2 (en) | 2016-08-18 | 2021-08-10 | Vidac Pharama Ltd. | Piperazine derivatives, pharmaceutical compositions and methods of use thereof |
| US12162868B2 (en) | 2016-08-18 | 2024-12-10 | Vidac Pharma Ltd.. | Piperazine derivatives, pharmaceutical compositions and methods of use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2013620A1 (enExample) | 1970-04-03 |
| CH518326A (de) | 1972-01-31 |
| NL6911317A (enExample) | 1970-01-27 |
| AT292311B (de) | 1971-08-25 |
| DE1770968A1 (de) | 1972-01-13 |
| BE736544A (enExample) | 1969-12-31 |
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|---|---|---|
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| GB1226795A (enExample) | ||
| ES428476A1 (es) | Procedimiento para la polimerizacion anionica de pirrolido-na. | |
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| GB1251046A (enExample) | ||
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |