SU411189A1 - - Google Patents

Info

Publication number

SU411189A1

SU411189A1 SU1727343A SU1727343A SU411189A1 SU 411189 A1 SU411189 A1 SU 411189A1 SU 1727343 A SU1727343 A SU 1727343A SU 1727343 A SU1727343 A SU 1727343A SU 411189 A1 SU411189 A1 SU 411189A1

Authority

SU

USSR - Soviet Union

Prior art keywords

solution

cellulose

fiber

nitric acid

aqueous

Prior art date

1971-12-20

Links

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• 239000000243 solution Substances 0.000 description 12
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 7
• 229920002678 cellulose Polymers 0.000 description 7
• 239000001913 cellulose Substances 0.000 description 7
• 239000000835 fiber Substances 0.000 description 7
• 229910017604 nitric acid Inorganic materials 0.000 description 7
• 239000002253 acid Substances 0.000 description 5
• 229920003043 Cellulose fiber Polymers 0.000 description 4
• 150000007513 acids Chemical class 0.000 description 4
• OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
• 239000007864 aqueous solution Substances 0.000 description 3
• 238000004061 bleaching Methods 0.000 description 3
• 230000006378 damage Effects 0.000 description 3
• 238000000034 method Methods 0.000 description 3
• 239000000203 mixture Substances 0.000 description 3
• LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
• 239000004155 Chlorine dioxide Substances 0.000 description 2
• 239000003513 alkali Substances 0.000 description 2
• 150000003863 ammonium salts Chemical class 0.000 description 2
• 235000019398 chlorine dioxide Nutrition 0.000 description 2
• 150000003839 salts Chemical class 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
• 229920001732 Lignosulfonate Polymers 0.000 description 1
• 229910021529 ammonia Inorganic materials 0.000 description 1
• 239000007844 bleaching agent Substances 0.000 description 1
• 239000003795 chemical substances by application Substances 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 239000012141 concentrate Substances 0.000 description 1
• ZURAKLKIKYCUJU-UHFFFAOYSA-N copper;azane Chemical compound N.[Cu+2] ZURAKLKIKYCUJU-UHFFFAOYSA-N 0.000 description 1
• 239000003337 fertilizer Substances 0.000 description 1
• -1 for example Substances 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 238000006386 neutralization reaction Methods 0.000 description 1
• 238000006396 nitration reaction Methods 0.000 description 1
• 150000002825 nitriles Chemical class 0.000 description 1
• 230000003647 oxidation Effects 0.000 description 1
• 238000007254 oxidation reaction Methods 0.000 description 1
• 230000001590 oxidative effect Effects 0.000 description 1
• 230000008635 plant growth Effects 0.000 description 1
• 239000012261 resinous substance Substances 0.000 description 1
• 239000011734 sodium Substances 0.000 description 1
• 229910052708 sodium Inorganic materials 0.000 description 1
• 238000005406 washing Methods 0.000 description 1
• 230000002087 whitening effect Effects 0.000 description 1