BE449356A - - Google Patents
Info
- Publication number
- BE449356A BE449356A BE449356DA BE449356A BE 449356 A BE449356 A BE 449356A BE 449356D A BE449356D A BE 449356DA BE 449356 A BE449356 A BE 449356A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- general formula
- acids
- salts
- dicarbonic acids
- Prior art date
Links
- 239000002253 acid Substances 0.000 claims description 22
- 150000007513 acids Chemical class 0.000 claims description 19
- 150000003839 salts Chemical class 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 4
- 150000008043 acidic salts Chemical class 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000007859 condensation product Substances 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- JTXJZBMXQMTSQN-UHFFFAOYSA-N amino hydrogen carbonate Chemical class NOC(O)=O JTXJZBMXQMTSQN-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/285—Cooled electrode holders
-
- 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
- C08G69/44—Polyester-amides
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (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 |
|---|---|---|---|
| DE891397X | 1941-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449356A true BE449356A (d) |
Family
ID=6844943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449356D BE449356A (d) | 1941-12-23 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE449356A (d) |
| FR (1) | FR891397A (d) |
| NL (1) | NL109893C (d) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE970479C (de) * | 1949-04-08 | 1958-09-25 | Organico S A | Verfahren zur Verbesserung von Polyamiden |
-
0
- BE BE449356D patent/BE449356A/fr unknown
- NL NL109893D patent/NL109893C/xx active
-
1943
- 1943-02-19 FR FR891397D patent/FR891397A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE970479C (de) * | 1949-04-08 | 1958-09-25 | Organico S A | Verfahren zur Verbesserung von Polyamiden |
Also Published As
| Publication number | Publication date |
|---|---|
| FR891397A (fr) | 1944-03-06 |
| NL109893C (d) |
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