GB674954A - Improvements in the manufacture of synthetic linear polyamides and apparatus therefor - Google Patents
Improvements in the manufacture of synthetic linear polyamides and apparatus thereforInfo
- Publication number
- GB674954A GB674954A GB8934/49A GB893449A GB674954A GB 674954 A GB674954 A GB 674954A GB 8934/49 A GB8934/49 A GB 8934/49A GB 893449 A GB893449 A GB 893449A GB 674954 A GB674954 A GB 674954A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- zone
- pressure
- steam
- passing
- 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 abstract 7
- 229920002647 polyamide Polymers 0.000 title abstract 7
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 5
- 238000006116 polymerization reaction Methods 0.000 abstract 4
- MHCVCKDNQYMGEX-UHFFFAOYSA-N 1,1'-biphenyl;phenoxybenzene Chemical compound C1=CC=CC=C1C1=CC=CC=C1.C=1C=CC=CC=1OC1=CC=CC=C1 MHCVCKDNQYMGEX-UHFFFAOYSA-N 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 150000001734 carboxylic acid salts Chemical class 0.000 abstract 2
- 150000004985 diamines Chemical class 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 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
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—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 |
|---|---|---|---|
| US271376XA | 1948-05-01 | 1948-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB674954A true GB674954A (en) | 1952-07-02 |
Family
ID=21835911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8934/49A Expired GB674954A (en) | 1948-05-01 | 1949-04-01 | Improvements in the manufacture of synthetic linear polyamides and apparatus therefor |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE487516A (enrdf_load_stackoverflow) |
| CH (1) | CH271376A (enrdf_load_stackoverflow) |
| FR (1) | FR980573A (enrdf_load_stackoverflow) |
| GB (1) | GB674954A (enrdf_load_stackoverflow) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1024234B (de) * | 1953-09-29 | 1958-02-13 | California Research Corp | Verfahren zur Herstellung von linearen Polyamiden aus Diaminen und aliphatischen Dicarbonsaeuren |
| US3193535A (en) * | 1961-02-28 | 1965-07-06 | British Nylon Spinners Ltd | Polymerization of aqueous solutions of polyamide-forming reactants with a continuously decreasing pressure |
| US3278494A (en) * | 1961-02-28 | 1966-10-11 | British Nylon Spinners Ltd | Polymerization of plurality of aqueous solutions of polyamide-forming reactants witha continuously decreasing pressure |
| DE2417003A1 (de) * | 1974-04-08 | 1975-11-06 | Basf Ag | Verfahren zum kontinuierlichen herstellen von polyamiden |
| EP0000157A1 (de) | 1977-06-27 | 1979-01-10 | BASF Aktiengesellschaft | Verfahren zur Herstellung von hochkonzentrierten wässrigen Lösungen von Dicarbonsäurediaminsalzen und Polyamidpräkondensaten und deren Verwendung |
| US4251653A (en) | 1977-06-27 | 1981-02-17 | Basf Aktiengesellschaft | Manufacture of nylon by adding liquid diamine to aqueous polyamide forming salt solution |
| GB2118834A (en) * | 1979-01-12 | 1983-11-09 | Chisso Corp | Powder for fire extinguishers |
| EP1914248A1 (en) * | 2006-10-12 | 2008-04-23 | INEOS Manufacturing Belgium NV | Polymer stream transfer |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735839A (en) * | 1950-12-27 | 1956-02-21 | schrenk | |
| US2689839A (en) * | 1951-08-22 | 1954-09-21 | Du Pont | Dispersion of delusterants in polyamides |
| US3057702A (en) * | 1953-05-11 | 1962-10-09 | Du Pont | Apparatus for preparation of condensation polymers |
| DE1157394B (de) * | 1955-04-29 | 1963-11-14 | Snia Viscosa | Verfahren und Vorrichtung zur Herstellung von Polykondensaten der 11-Aminoundekansaeure |
| NL103300C (enrdf_load_stackoverflow) * | 1955-12-22 |
-
0
- BE BE487516D patent/BE487516A/xx unknown
-
1949
- 1949-02-09 FR FR980573D patent/FR980573A/fr not_active Expired
- 1949-04-01 GB GB8934/49A patent/GB674954A/en not_active Expired
- 1949-04-08 CH CH271376D patent/CH271376A/fr unknown
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1024234B (de) * | 1953-09-29 | 1958-02-13 | California Research Corp | Verfahren zur Herstellung von linearen Polyamiden aus Diaminen und aliphatischen Dicarbonsaeuren |
| US3193535A (en) * | 1961-02-28 | 1965-07-06 | British Nylon Spinners Ltd | Polymerization of aqueous solutions of polyamide-forming reactants with a continuously decreasing pressure |
| US3278494A (en) * | 1961-02-28 | 1966-10-11 | British Nylon Spinners Ltd | Polymerization of plurality of aqueous solutions of polyamide-forming reactants witha continuously decreasing pressure |
| DE2417003A1 (de) * | 1974-04-08 | 1975-11-06 | Basf Ag | Verfahren zum kontinuierlichen herstellen von polyamiden |
| EP0000157A1 (de) | 1977-06-27 | 1979-01-10 | BASF Aktiengesellschaft | Verfahren zur Herstellung von hochkonzentrierten wässrigen Lösungen von Dicarbonsäurediaminsalzen und Polyamidpräkondensaten und deren Verwendung |
| US4213884A (en) * | 1977-06-27 | 1980-07-22 | Basf Aktiengesellschaft | Manufacture of a highly concentrated aqueous solution of a dicarboxylic acid diamine salt and a nylon precondensate |
| US4251653A (en) | 1977-06-27 | 1981-02-17 | Basf Aktiengesellschaft | Manufacture of nylon by adding liquid diamine to aqueous polyamide forming salt solution |
| GB2118834A (en) * | 1979-01-12 | 1983-11-09 | Chisso Corp | Powder for fire extinguishers |
| EP1914248A1 (en) * | 2006-10-12 | 2008-04-23 | INEOS Manufacturing Belgium NV | Polymer stream transfer |
Also Published As
| Publication number | Publication date |
|---|---|
| FR980573A (fr) | 1951-05-15 |
| CH271376A (fr) | 1950-10-31 |
| BE487516A (enrdf_load_stackoverflow) |
Similar Documents
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| ES2373182T3 (es) | Procedimiento de preparación de poliamida. | |
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