SU405991A1 - - Google Patents

Info

Publication number

SU405991A1

SU405991A1 SU1729367A SU1729367A SU405991A1 SU 405991 A1 SU405991 A1 SU 405991A1 SU 1729367 A SU1729367 A SU 1729367A SU 1729367 A SU1729367 A SU 1729367A SU 405991 A1 SU405991 A1 SU 405991A1

Authority

SU

USSR - Soviet Union

Prior art keywords

whiteness

bleaching

solution

weight

pulp

Prior art date

1971-12-27

Links

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• MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 13
• 238000004061 bleaching Methods 0.000 description 10
• 239000000243 solution Substances 0.000 description 7
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
• 239000000835 fiber Substances 0.000 description 6
• 238000000034 method Methods 0.000 description 6
• 239000011265 semifinished product Substances 0.000 description 4
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
• 229930194542 Keto Natural products 0.000 description 3
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• 229920002678 cellulose Polymers 0.000 description 3
• 239000001913 cellulose Substances 0.000 description 3
• 239000003153 chemical reaction reagent Substances 0.000 description 3
• 150000002576 ketones Chemical class 0.000 description 3
• UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 125000002015 acyclic group Chemical group 0.000 description 2
• 239000012670 alkaline solution Substances 0.000 description 2
• 230000015572 biosynthetic process Effects 0.000 description 2
• 229910052739 hydrogen Inorganic materials 0.000 description 2
• 239000001257 hydrogen Substances 0.000 description 2
• 125000000468 ketone group Chemical group 0.000 description 2
• 229920006395 saturated elastomer Polymers 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• 230000002087 whitening effect Effects 0.000 description 2
• 241000196324 Embryophyta Species 0.000 description 1
• 229920002488 Hemicellulose Polymers 0.000 description 1
• BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• 239000013543 active substance Substances 0.000 description 1
• 238000000354 decomposition reaction Methods 0.000 description 1
• 150000002148 esters Chemical class 0.000 description 1
• 238000007730 finishing process Methods 0.000 description 1
• 230000003301 hydrolyzing effect Effects 0.000 description 1
• 230000003993 interaction Effects 0.000 description 1
• 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
• 230000007774 longterm Effects 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 230000007935 neutral effect Effects 0.000 description 1
• 239000006259 organic additive Substances 0.000 description 1
• 150000002978 peroxides Chemical class 0.000 description 1
• 150000002989 phenols Chemical class 0.000 description 1
• 235000019353 potassium silicate Nutrition 0.000 description 1
• 239000000047 product Substances 0.000 description 1
• 235000011121 sodium hydroxide Nutrition 0.000 description 1
• 239000003381 stabilizer Substances 0.000 description 1
• 230000000087 stabilizing effect Effects 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
• 238000005406 washing Methods 0.000 description 1