GB746374A - Improved process and apparatus for the synthesis of polyamides - Google Patents
Improved process and apparatus for the synthesis of polyamidesInfo
- Publication number
- GB746374A GB746374A GB7074/53A GB707453A GB746374A GB 746374 A GB746374 A GB 746374A GB 7074/53 A GB7074/53 A GB 7074/53A GB 707453 A GB707453 A GB 707453A GB 746374 A GB746374 A GB 746374A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- lactam
- vessel
- product
- hour
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 239000004952 Polyamide Substances 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 229920002647 polyamide Polymers 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
- 150000003951 lactams Chemical class 0.000 abstract 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 7
- 229920000642 polymer Polymers 0.000 abstract 4
- 239000000047 product Substances 0.000 abstract 4
- 238000010438 heat treatment Methods 0.000 abstract 3
- 239000013067 intermediate product Substances 0.000 abstract 3
- 238000006116 polymerization reaction Methods 0.000 abstract 3
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000007711 solidification Methods 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
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 |
|---|---|---|---|
| IT746374X | 1952-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB746374A true GB746374A (en) | 1956-03-14 |
Family
ID=11315529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7074/53A Expired GB746374A (en) | 1952-03-31 | 1953-03-13 | Improved process and apparatus for the synthesis of polyamides |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE518697A (enrdf_load_stackoverflow) |
| DE (1) | DE1031963B (enrdf_load_stackoverflow) |
| FR (1) | FR1073143A (enrdf_load_stackoverflow) |
| GB (1) | GB746374A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4926078B1 (enrdf_load_stackoverflow) * | 1970-02-18 | 1974-07-05 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067587B (de) * | 1957-07-20 | 1959-10-22 | Basf Ag | Verfahren zur einstufigen Herstellung von Polyamid-Formkoerpern |
| US3236817A (en) * | 1961-10-17 | 1966-02-22 | Du Pont | Anionic process for preparing high molecular weight polyamides from lactams |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE748253C (de) * | 1938-06-10 | 1944-10-30 | Verfahren zur Herstellung verformbarer hochmolekularer Polyamide | |
| US2241322A (en) * | 1938-09-30 | 1941-05-06 | Du Pont | Process for preparing polyamides from cyclic amides |
| DE748023C (de) * | 1939-03-17 | 1944-10-25 | Verfahren zur Herstellung von hochpolymeren Polyamiden oder Mischpolyamiden (Superpolyamiden) |
-
0
- BE BE518697D patent/BE518697A/xx unknown
-
1953
- 1953-03-13 GB GB7074/53A patent/GB746374A/en not_active Expired
- 1953-03-20 FR FR1073143D patent/FR1073143A/fr not_active Expired
- 1953-03-30 DE DEP9486A patent/DE1031963B/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4926078B1 (enrdf_load_stackoverflow) * | 1970-02-18 | 1974-07-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| BE518697A (enrdf_load_stackoverflow) | |
| FR1073143A (fr) | 1954-09-20 |
| DE1031963B (de) | 1958-06-12 |
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