JP2669555C - - Google Patents

Info

Publication number

JP2669555C

JP2669555C JP2669555C JP 2669555 C JP2669555 C JP 2669555C JP 2669555 C JP2669555 C JP 2669555C

Authority

JP

Japan

Prior art keywords

cellulose

pulp

parts

cellulose acetate

sheet

Prior art date

1999-10-25

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired - Lifetime

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• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 58
• 229920002678 cellulose Polymers 0.000 claims description 52
• 239000001913 cellulose Substances 0.000 claims description 52
• 229920002301 cellulose acetate Polymers 0.000 claims description 42
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
• 239000002994 raw material Substances 0.000 claims description 23
• 229960000583 acetic acid Drugs 0.000 claims description 21
• 238000004519 manufacturing process Methods 0.000 claims description 19
• 238000007127 saponification reaction Methods 0.000 claims description 5
• 230000032683 aging Effects 0.000 claims description 4
• 239000012362 glacial acetic acid Substances 0.000 claims description 4
• 238000003756 stirring Methods 0.000 claims description 4
• 230000004913 activation Effects 0.000 claims description 3
• 230000005070 ripening Effects 0.000 claims description 3
• 238000005507 spraying Methods 0.000 claims description 2
• 239000003377 acid catalyst Substances 0.000 claims 1
• 230000003213 activating effect Effects 0.000 claims 1
• 230000032050 esterification Effects 0.000 claims 1
• 238000005886 esterification reaction Methods 0.000 claims 1
• 239000000843 powder Substances 0.000 claims 1
• 238000000034 method Methods 0.000 description 32
• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 18
• 238000006243 chemical reaction Methods 0.000 description 14
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
• UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
• 238000006640 acetylation reaction Methods 0.000 description 8
• 239000003054 catalyst Substances 0.000 description 8
• 239000007864 aqueous solution Substances 0.000 description 7
• 238000001914 filtration Methods 0.000 description 7
• 239000011541 reaction mixture Substances 0.000 description 6
• 230000009257 reactivity Effects 0.000 description 6
• 239000000203 mixture Substances 0.000 description 5
• 239000000047 product Substances 0.000 description 5
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
• 230000021736 acetylation Effects 0.000 description 4
• 238000001035 drying Methods 0.000 description 4
• 239000000463 material Substances 0.000 description 4
• 229920001131 Pulp (paper) Polymers 0.000 description 3
• 230000002378 acidificating effect Effects 0.000 description 3
• 230000000052 comparative effect Effects 0.000 description 3
• 238000001212 derivatisation Methods 0.000 description 3
• 230000000694 effects Effects 0.000 description 3
• 238000005516 engineering process Methods 0.000 description 3
• 239000000835 fiber Substances 0.000 description 3
• 230000000704 physical effect Effects 0.000 description 3
• 239000011148 porous material Substances 0.000 description 3
• 239000002002 slurry Substances 0.000 description 3
• 239000000243 solution Substances 0.000 description 3
• 238000007598 dipping method Methods 0.000 description 2
• 239000010408 film Substances 0.000 description 2
• UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 2
• 229940069446 magnesium acetate Drugs 0.000 description 2
• 235000011285 magnesium acetate Nutrition 0.000 description 2
• 239000011654 magnesium acetate Substances 0.000 description 2
• 239000003973 paint Substances 0.000 description 2
• 239000004033 plastic Substances 0.000 description 2
• 229920003023 plastic Polymers 0.000 description 2
• 238000010298 pulverizing process Methods 0.000 description 2
• LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
• 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
• 239000001856 Ethyl cellulose Substances 0.000 description 1
• ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
• 229920002488 Hemicellulose Polymers 0.000 description 1
• 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
• 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
• 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
• 241000208125 Nicotiana Species 0.000 description 1
• 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
• 239000000020 Nitrocellulose Substances 0.000 description 1
• KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 1
• 239000004902 Softening Agent Substances 0.000 description 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 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 1
• 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
• 239000012345 acetylating agent Substances 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 239000011230 binding agent Substances 0.000 description 1
• 239000001768 carboxy methyl cellulose Substances 0.000 description 1
• 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
• 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
• 239000000919 ceramic Substances 0.000 description 1
• 239000007795 chemical reaction product Substances 0.000 description 1
• 239000011248 coating agent Substances 0.000 description 1
• 238000000576 coating method Methods 0.000 description 1
• 239000012141 concentrate Substances 0.000 description 1
• 230000003750 conditioning effect Effects 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 230000006378 damage Effects 0.000 description 1
• 239000003085 diluting agent Substances 0.000 description 1
• 229920001249 ethyl cellulose Polymers 0.000 description 1
• 235000019325 ethyl cellulose Nutrition 0.000 description 1
• 238000004880 explosion Methods 0.000 description 1
• 239000004744 fabric Substances 0.000 description 1
• 239000012467 final product Substances 0.000 description 1
• 239000002778 food additive Substances 0.000 description 1
• 235000013373 food additive Nutrition 0.000 description 1
• 230000003301 hydrolyzing effect Effects 0.000 description 1
• 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
• 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
• 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
• 238000009776 industrial production Methods 0.000 description 1
• 239000000976 ink Substances 0.000 description 1
• 238000004898 kneading Methods 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 229920000609 methyl cellulose Polymers 0.000 description 1
• 239000001923 methylcellulose Substances 0.000 description 1
• 235000010981 methylcellulose Nutrition 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• 230000003472 neutralizing effect Effects 0.000 description 1
• 229920001220 nitrocellulos Polymers 0.000 description 1
• -1 organic acid esters Chemical class 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 238000002203 pretreatment Methods 0.000 description 1
• 238000001179 sorption measurement Methods 0.000 description 1
• 230000006641 stabilisation Effects 0.000 description 1
• 238000011105 stabilization Methods 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 238000006467 substitution reaction Methods 0.000 description 1
• 239000004094 surface-active agent Substances 0.000 description 1
• 238000009834 vaporization Methods 0.000 description 1
• 230000008016 vaporization Effects 0.000 description 1