BE518416A - - Google Patents

Info

Publication number

BE518416A

BE518416A BE518416DA BE518416A BE 518416 A BE518416 A BE 518416A BE 518416D A BE518416D A BE 518416DA BE 518416 A BE518416 A BE 518416A

Authority

BE

Belgium

Prior art keywords

lactam

polyamide

polyamides

water vapor

caprolactam

Prior art date

Links

• Espacenet
• Global Dossier
• Discuss

• 239000004952 Polyamide Substances 0.000 claims description 23
• 229920002647 polyamide Polymers 0.000 claims description 23
• 150000003951 lactams Chemical class 0.000 claims description 19
• JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 14
• 238000006243 chemical reaction Methods 0.000 claims description 9
• 239000002253 acid Substances 0.000 claims description 8
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
• 238000000034 method Methods 0.000 claims description 7
• 238000011084 recovery Methods 0.000 claims description 4
• 150000007524 organic acids Chemical class 0.000 claims description 2
• 239000003513 alkali Substances 0.000 claims 1
• 235000005985 organic acids Nutrition 0.000 claims 1
• NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
• DVPHDWQFZRBFND-DMHDVGBCSA-N 1-o-[2-[(3ar,5r,6s,6ar)-2,2-dimethyl-6-prop-2-enoyloxy-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-2-[4-[(2s,3r)-1-butan-2-ylsulfanyl-2-(2-chlorophenyl)-4-oxoazetidin-3-yl]oxy-4-oxobutanoyl]oxyethyl] 4-o-[(2s,3r)-1-butan-2-ylsulfanyl-2-(2-chloropheny Chemical group C1([C@H]2[C@H](C(N2SC(C)CC)=O)OC(=O)CCC(=O)OC(COC(=O)CCC(=O)O[C@@H]2[C@@H](N(C2=O)SC(C)CC)C=2C(=CC=CC=2)Cl)[C@@H]2[C@@H]([C@H]3OC(C)(C)O[C@H]3O2)OC(=O)C=C)=CC=CC=C1Cl DVPHDWQFZRBFND-DMHDVGBCSA-N 0.000 description 4
• 235000011007 phosphoric acid Nutrition 0.000 description 4
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• 150000007513 acids Chemical class 0.000 description 3
• 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
• 239000012535 impurity Substances 0.000 description 3
• 239000007800 oxidant agent Substances 0.000 description 3
• MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
• 238000004821 distillation Methods 0.000 description 2
• 230000002349 favourable effect Effects 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• 238000002360 preparation method Methods 0.000 description 2
• 239000000047 product Substances 0.000 description 2
• 238000007086 side reaction Methods 0.000 description 2
• JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical class CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
• LRQKBLKVPFOOQJ-UHFFFAOYSA-N 2-aminohexanoic acid Chemical compound CCCCC(N)C(O)=O LRQKBLKVPFOOQJ-UHFFFAOYSA-N 0.000 description 1
• 235000011037 adipic acid Nutrition 0.000 description 1
• 150000001279 adipic acids Chemical class 0.000 description 1
• 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
• 239000002585 base Substances 0.000 description 1
• SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical class OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 239000006227 byproduct Substances 0.000 description 1
• 238000010924 continuous production Methods 0.000 description 1
• 238000000354 decomposition reaction Methods 0.000 description 1
• 230000008030 elimination Effects 0.000 description 1
• 238000003379 elimination reaction Methods 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• -1 lactam lactam Chemical class 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 238000002844 melting Methods 0.000 description 1
• 230000008018 melting Effects 0.000 description 1
• 150000007522 mineralic acids Chemical class 0.000 description 1
• 150000004968 peroxymonosulfuric acids Chemical class 0.000 description 1
• 150000003016 phosphoric acids Chemical class 0.000 description 1
• 238000006068 polycondensation reaction Methods 0.000 description 1
• 229920000642 polymer Polymers 0.000 description 1
• 238000006116 polymerization reaction Methods 0.000 description 1
• 239000012286 potassium permanganate Substances 0.000 description 1
• 239000011541 reaction mixture Substances 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 239000011800 void material Substances 0.000 description 1

Cited By (3)