BE549957A - - Google Patents
Info
- Publication number
- BE549957A BE549957A BE549957DA BE549957A BE 549957 A BE549957 A BE 549957A BE 549957D A BE549957D A BE 549957DA BE 549957 A BE549957 A BE 549957A
- Authority
- BE
- Belgium
- Prior art keywords
- exchanger
- parts
- acid
- polyamides
- water
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- 239000004952 Polyamide Substances 0.000 claims description 18
- 229920002647 polyamide Polymers 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 150000001413 amino acids Chemical class 0.000 claims description 8
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- 150000003951 lactams Chemical class 0.000 claims 1
- ZDPHROOEEOARMN-UHFFFAOYSA-N n-hendecanoic acid Natural products CCCCCCCCCCC(O)=O ZDPHROOEEOARMN-UHFFFAOYSA-N 0.000 claims 1
- 238000009966 trimming Methods 0.000 claims 1
- 229960002684 aminocaproic acid Drugs 0.000 description 12
- 239000002253 acid Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 229920002292 Nylon 6 Polymers 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229920001429 chelating resin Polymers 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- -1 for example Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- PWXIKGAMKWRXHD-UHFFFAOYSA-N 3-butylaziridin-2-one Chemical compound CCCCC1NC1=O PWXIKGAMKWRXHD-UHFFFAOYSA-N 0.000 description 1
- UFFRSDWQMJYQNE-UHFFFAOYSA-N 6-azaniumylhexylazanium;hexanedioate Chemical compound [NH3+]CCCCCC[NH3+].[O-]C(=O)CCCCC([O-])=O UFFRSDWQMJYQNE-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Polyamides (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE549957A true BE549957A (d) |
Family
ID=176006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE549957D BE549957A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE549957A (d) |
-
0
- BE BE549957D patent/BE549957A/fr unknown
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