GB734456A - Improvements relating to the production of polyamides - Google Patents
Improvements relating to the production of polyamidesInfo
- Publication number
- GB734456A GB734456A GB1429353A GB1429353A GB734456A GB 734456 A GB734456 A GB 734456A GB 1429353 A GB1429353 A GB 1429353A GB 1429353 A GB1429353 A GB 1429353A GB 734456 A GB734456 A GB 734456A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- polymerized
- polymer
- caprolactam
- minutes
- 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
- 229920000642 polymer Polymers 0.000 abstract 7
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract 3
- 239000012632 extractable Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 3
- 229910000103 lithium hydride Inorganic materials 0.000 abstract 3
- 238000006116 polymerization reaction Methods 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 abstract 1
- 229910000102 alkali metal hydride Inorganic materials 0.000 abstract 1
- 150000008046 alkali metal hydrides Chemical class 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000003950 cyclic amides Chemical class 0.000 abstract 1
- 230000000593 degrading effect Effects 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 229910000104 sodium hydride Inorganic materials 0.000 abstract 1
- 239000012312 sodium hydride Substances 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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US248455A US2647105A (en) | 1951-09-26 | 1951-09-26 | Process of polymerizing epsiloncaprolactam |
| GB1429353A GB734456A (en) | 1953-05-21 | 1953-05-21 | Improvements relating to the production of polyamides |
| FR1078094D FR1078094A (fr) | 1953-05-21 | 1953-06-05 | Perfectionnements apportés à la fabrication des polyamides |
| DEP9920A DE972445C (de) | 1953-05-21 | 1953-06-11 | Verfahren zur Herstellung von Polyamiden |
| BE520952D BE520952A (enrdf_load_stackoverflow) | 1953-05-21 | 1953-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1429353A GB734456A (en) | 1953-05-21 | 1953-05-21 | Improvements relating to the production of polyamides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB734456A true GB734456A (en) | 1955-08-03 |
Family
ID=10038557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1429353A Expired GB734456A (en) | 1951-09-26 | 1953-05-21 | Improvements relating to the production of polyamides |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE520952A (enrdf_load_stackoverflow) |
| FR (1) | FR1078094A (enrdf_load_stackoverflow) |
| GB (1) | GB734456A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006053076A3 (en) * | 2004-11-09 | 2006-12-14 | Du Pont | Ring opening polymerization of cyclic amides using metal amide and metal alkoxide catalysts |
-
1953
- 1953-05-21 GB GB1429353A patent/GB734456A/en not_active Expired
- 1953-06-05 FR FR1078094D patent/FR1078094A/fr not_active Expired
- 1953-06-25 BE BE520952D patent/BE520952A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006053076A3 (en) * | 2004-11-09 | 2006-12-14 | Du Pont | Ring opening polymerization of cyclic amides using metal amide and metal alkoxide catalysts |
Also Published As
| Publication number | Publication date |
|---|---|
| BE520952A (enrdf_load_stackoverflow) | 1953-12-28 |
| FR1078094A (fr) | 1954-11-15 |
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