DE128693C - - Google Patents

Info

Publication number

DE128693C

DE128693C DENDAT128693D DE128693DA DE128693C DE 128693 C DE128693 C DE 128693C DE NDAT128693 D DENDAT128693 D DE NDAT128693D DE 128693D A DE128693D A DE 128693DA DE 128693 C DE128693 C DE 128693C

Authority

DE

Germany

Prior art keywords

picric acid

tanning

water

bath

leather

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.)

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• OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 claims description 15
• 238000000034 method Methods 0.000 claims description 14
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
• 239000010985 leather Substances 0.000 claims description 6
• 235000002639 sodium chloride Nutrition 0.000 claims description 3
• FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 2
• 229940037003 alum Drugs 0.000 claims description 2
• 239000011780 sodium chloride Substances 0.000 claims description 2
• KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims 1
• SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 claims 1
• AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims 1
• 230000020477 pH reduction Effects 0.000 claims 1
• 229910052500 inorganic mineral Inorganic materials 0.000 description 4
• 239000011707 mineral Substances 0.000 description 4
• 235000010755 mineral Nutrition 0.000 description 4
• 238000000855 fermentation Methods 0.000 description 3
• 230000004151 fermentation Effects 0.000 description 3
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
• VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
• 239000003795 chemical substances by application Substances 0.000 description 2
• 239000000835 fiber Substances 0.000 description 2
• 239000011148 porous material Substances 0.000 description 2
• KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
• 239000000126 substance Substances 0.000 description 2
• DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
• 238000010521 absorption reaction Methods 0.000 description 1
• 229910021529 ammonia Inorganic materials 0.000 description 1
• 238000004140 cleaning Methods 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1
• 239000011734 sodium Substances 0.000 description 1
• 229910052708 sodium Inorganic materials 0.000 description 1
• 230000007704 transition Effects 0.000 description 1
• 235000013311 vegetables Nutrition 0.000 description 1
• 238000005406 washing Methods 0.000 description 1