NO122229B - - Google Patents

Info

Publication number

NO122229B

NO122229B NO347068A NO347068A NO122229B NO 122229 B NO122229 B NO 122229B NO 347068 A NO347068 A NO 347068A NO 347068 A NO347068 A NO 347068A NO 122229 B NO122229 B NO 122229B

Authority

NO

Norway

Prior art keywords

cellulose

centrifuge

supratonator

linters

esterification

Prior art date

1968-09-06

Links

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• 229920002678 cellulose Polymers 0.000 claims description 42
• 239000001913 cellulose Substances 0.000 claims description 40
• 238000000034 method Methods 0.000 claims description 14
• 239000000725 suspension Substances 0.000 claims description 10
• 239000000835 fiber Substances 0.000 claims description 9
• 239000000463 material Substances 0.000 claims description 8
• 238000006396 nitration reaction Methods 0.000 claims description 3
• 239000000126 substance Substances 0.000 claims description 3
• 229920003043 Cellulose fiber Polymers 0.000 claims description 2
• 235000010980 cellulose Nutrition 0.000 description 39
• 239000002657 fibrous material Substances 0.000 description 14
• 238000005886 esterification reaction Methods 0.000 description 12
• 239000011111 cardboard Substances 0.000 description 11
• 230000032050 esterification Effects 0.000 description 11
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
• 238000001035 drying Methods 0.000 description 9
• 238000012545 processing Methods 0.000 description 6
• 239000000020 Nitrocellulose Substances 0.000 description 4
• FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 4
• 238000004519 manufacturing process Methods 0.000 description 4
• 229920001220 nitrocellulos Polymers 0.000 description 4
• 229920000742 Cotton Polymers 0.000 description 3
• 229940081735 acetylcellulose Drugs 0.000 description 3
• 229920002301 cellulose acetate Polymers 0.000 description 3
• 239000007788 liquid Substances 0.000 description 3
• 239000000123 paper Substances 0.000 description 3
• 239000002245 particle Substances 0.000 description 3
• 238000012546 transfer Methods 0.000 description 3
• 241001070947 Fagus Species 0.000 description 2
• 235000010099 Fagus sylvatica Nutrition 0.000 description 2
• SMEGJBVQLJJKKX-HOTMZDKISA-N [(2R,3S,4S,5R,6R)-5-acetyloxy-3,4,6-trihydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)OC(=O)C)O)O SMEGJBVQLJJKKX-HOTMZDKISA-N 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 239000007900 aqueous suspension Substances 0.000 description 2
• 238000006243 chemical reaction Methods 0.000 description 2
• 238000010276 construction Methods 0.000 description 2
• 238000004090 dissolution Methods 0.000 description 2
• 238000002156 mixing Methods 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• 238000002360 preparation method Methods 0.000 description 2
• 229920002284 Cellulose triacetate Polymers 0.000 description 1
• 241000196324 Embryophyta Species 0.000 description 1
• UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
• IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
• 241000218657 Picea Species 0.000 description 1
• NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
• 230000002159 abnormal effect Effects 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• 238000010009 beating Methods 0.000 description 1
• 230000009286 beneficial effect Effects 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000009826 distribution Methods 0.000 description 1
• 238000000605 extraction Methods 0.000 description 1
• 239000004744 fabric Substances 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 238000000265 homogenisation Methods 0.000 description 1
• 239000012535 impurity Substances 0.000 description 1
• 239000004922 lacquer Substances 0.000 description 1
• 238000012423 maintenance Methods 0.000 description 1
• 229910017604 nitric acid Inorganic materials 0.000 description 1
• 238000005121 nitriding Methods 0.000 description 1
• 239000011087 paperboard Substances 0.000 description 1
• 238000003672 processing method Methods 0.000 description 1
• 238000005086 pumping Methods 0.000 description 1
• 239000002994 raw material Substances 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 239000002904 solvent Substances 0.000 description 1
• 239000007858 starting material Substances 0.000 description 1
• ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
• 239000002699 waste material Substances 0.000 description 1
• 210000002268 wool Anatomy 0.000 description 1