BE440415A - - Google Patents

Info

Publication number

BE440415A

BE440415A BE440415DA BE440415A BE 440415 A BE440415 A BE 440415A BE 440415D A BE440415D A BE 440415DA BE 440415 A BE440415 A BE 440415A

Authority

BE

Belgium

Prior art keywords

shellac

acid

manufacture

bleaching

precipitation

Prior art date

Links

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• 229920001800 Shellac Polymers 0.000 claims description 13
• 239000004208 shellac Substances 0.000 claims description 13
• ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 claims description 13
• 229940113147 shellac Drugs 0.000 claims description 13
• 235000013874 shellac Nutrition 0.000 claims description 13
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
• 238000004519 manufacturing process Methods 0.000 claims description 6
• 150000007524 organic acids Chemical class 0.000 claims description 4
• 238000001556 precipitation Methods 0.000 claims description 4
• 239000012670 alkaline solution Substances 0.000 claims description 3
• 238000004061 bleaching Methods 0.000 claims description 3
• 239000007844 bleaching agent Substances 0.000 claims description 3
• 238000000746 purification Methods 0.000 claims 1
• 239000002253 acid Substances 0.000 description 7
• 229910052500 inorganic mineral Inorganic materials 0.000 description 5
• 239000011707 mineral Substances 0.000 description 5
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
• 239000002966 varnish Substances 0.000 description 4
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
• 229910052751 metal Inorganic materials 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 238000004806 packaging method and process Methods 0.000 description 2
• ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• 239000001913 cellulose Substances 0.000 description 1
• 229920002678 cellulose Polymers 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 239000000460 chlorine Substances 0.000 description 1
• 229910052801 chlorine Inorganic materials 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 229910000029 sodium carbonate Inorganic materials 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 239000000243 solution Substances 0.000 description 1