PL88193B2 - - Google Patents

Info

Publication number

PL88193B2

PL88193B2 PL1974176389A PL17638974A PL88193B2 PL 88193 B2 PL88193 B2 PL 88193B2 PL 1974176389 A PL1974176389 A PL 1974176389A PL 17638974 A PL17638974 A PL 17638974A PL 88193 B2 PL88193 B2 PL 88193B2

Authority

PL

Poland

Prior art keywords

cellulose

fibers

weight

viscose

solution

Prior art date

1974-12-12

Links

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• 239000000835 fiber Substances 0.000 claims description 39
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
• 229920002678 cellulose Polymers 0.000 claims description 18
• 239000001913 cellulose Substances 0.000 claims description 18
• 238000000034 method Methods 0.000 claims description 17
• 239000000377 silicon dioxide Substances 0.000 claims description 16
• LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 14
• 229920000297 Rayon Polymers 0.000 claims description 12
• UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
• WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 7
• 239000003607 modifier Substances 0.000 claims description 6
• 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 claims description 5
• 230000015572 biosynthetic process Effects 0.000 claims description 5
• 230000015271 coagulation Effects 0.000 claims description 5
• 238000005345 coagulation Methods 0.000 claims description 5
• 239000000203 mixture Substances 0.000 claims description 5
• 229910052708 sodium Inorganic materials 0.000 claims description 5
• 239000011734 sodium Substances 0.000 claims description 5
• 239000003513 alkali Substances 0.000 claims description 4
• -1 polyoxyethylene Polymers 0.000 claims description 4
• 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
• ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
• 229910052700 potassium Inorganic materials 0.000 claims description 3
• 239000011591 potassium Substances 0.000 claims description 3
• 150000004760 silicates Chemical class 0.000 claims description 3
• 229910052783 alkali metal Inorganic materials 0.000 claims description 2
• 150000001340 alkali metals Chemical class 0.000 claims description 2
• 238000005517 mercerization Methods 0.000 claims 1
• 238000007493 shaping process Methods 0.000 claims 1
• 238000005486 sulfidation Methods 0.000 claims 1
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
• 239000000243 solution Substances 0.000 description 17
• QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 9
• 229910052681 coesite Inorganic materials 0.000 description 6
• 229910052906 cristobalite Inorganic materials 0.000 description 6
• 235000012239 silicon dioxide Nutrition 0.000 description 6
• 229910052682 stishovite Inorganic materials 0.000 description 6
• 229910052905 tridymite Inorganic materials 0.000 description 6
• 229910004298 SiO 2 Inorganic materials 0.000 description 5
• ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 5
• NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 5
• 239000012991 xanthate Substances 0.000 description 5
• 238000006116 polymerization reaction Methods 0.000 description 4
• 239000007832 Na2SO4 Substances 0.000 description 3
• PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
• 229910052938 sodium sulfate Inorganic materials 0.000 description 3
• 235000011152 sodium sulphate Nutrition 0.000 description 3
• 238000006467 substitution reaction Methods 0.000 description 3
• 235000011149 sulphuric acid Nutrition 0.000 description 3
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
• HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 2
• 239000007864 aqueous solution Substances 0.000 description 2
• 238000001125 extrusion Methods 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 238000005192 partition Methods 0.000 description 2
• 238000000197 pyrolysis Methods 0.000 description 2
• RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
• 238000003756 stirring Methods 0.000 description 2
• 229910000368 zinc sulfate Inorganic materials 0.000 description 2
• 229920003043 Cellulose fiber Polymers 0.000 description 1
• VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical group O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
• 239000004115 Sodium Silicate Substances 0.000 description 1
• 238000004061 bleaching Methods 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 238000000354 decomposition reaction Methods 0.000 description 1
• 238000007872 degassing Methods 0.000 description 1
• 238000006477 desulfuration reaction Methods 0.000 description 1
• 230000023556 desulfurization Effects 0.000 description 1
• 239000012530 fluid Substances 0.000 description 1
• 229910002804 graphite Inorganic materials 0.000 description 1
• 239000010439 graphite Substances 0.000 description 1
• 238000000227 grinding Methods 0.000 description 1
• 239000012210 heat-resistant fiber Substances 0.000 description 1
• 239000000543 intermediate Substances 0.000 description 1
• 238000002844 melting Methods 0.000 description 1
• 230000008018 melting Effects 0.000 description 1
• ZBJVLWIYKOAYQH-UHFFFAOYSA-N naphthalen-2-yl 2-hydroxybenzoate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=C(C=CC=C2)C2=C1 ZBJVLWIYKOAYQH-UHFFFAOYSA-N 0.000 description 1
• 229920000642 polymer Polymers 0.000 description 1
• 235000019353 potassium silicate Nutrition 0.000 description 1
• 229910052911 sodium silicate Inorganic materials 0.000 description 1
• 235000019351 sodium silicates Nutrition 0.000 description 1
• 238000000638 solvent extraction Methods 0.000 description 1
• 230000019635 sulfation Effects 0.000 description 1
• 238000005670 sulfation reaction Methods 0.000 description 1

Cited By (1)