DE284726C - - Google Patents
Info
- Publication number
- DE284726C DE284726C DENDAT284726D DE284726DA DE284726C DE 284726 C DE284726 C DE 284726C DE NDAT284726 D DENDAT284726 D DE NDAT284726D DE 284726D A DE284726D A DE 284726DA DE 284726 C DE284726 C DE 284726C
- Authority
- DE
- Germany
- Prior art keywords
- sulfuric acid
- cellulose
- parts
- bisulfates
- solutions
- Prior art date
- 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.)
- Active
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 82
- 229920002678 cellulose Polymers 0.000 claims description 37
- 235000010980 cellulose Nutrition 0.000 claims description 37
- 239000001913 cellulose Substances 0.000 claims description 27
- QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 14
- 230000007935 neutral effect Effects 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 9
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 239000012442 inert solvent Substances 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003701 inert diluent Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 230000007717 exclusion Effects 0.000 claims 1
- 239000000047 product Substances 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 23
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 21
- 239000002585 base Substances 0.000 description 14
- 229960000583 acetic acid Drugs 0.000 description 11
- 239000003054 catalyst Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000012362 glacial acetic acid Substances 0.000 description 10
- 229920002301 cellulose acetate Polymers 0.000 description 9
- 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 8
- 229940081735 acetylcellulose Drugs 0.000 description 8
- 230000021736 acetylation Effects 0.000 description 7
- 238000006640 acetylation reaction Methods 0.000 description 7
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 4
- JTNCEQNHURODLX-UHFFFAOYSA-N 2-phenylethanimidamide Chemical compound NC(=N)CC1=CC=CC=C1 JTNCEQNHURODLX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 208000006558 Dental Calculus Diseases 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 239000002895 emetic Substances 0.000 description 3
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 3
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 3
- 229910052939 potassium sulfate Inorganic materials 0.000 description 3
- 239000001120 potassium sulphate Substances 0.000 description 3
- 235000011151 potassium sulphates Nutrition 0.000 description 3
- 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 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 2
- 230000000254 damaging effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- NLXFONFHPKEHOZ-UHFFFAOYSA-N diethylazanium;hydron;sulfate Chemical compound CCNCC.OS(O)(=O)=O NLXFONFHPKEHOZ-UHFFFAOYSA-N 0.000 description 2
- GVDIQFPDYZBNMO-UHFFFAOYSA-N dimethyl(phenyl)azanium;hydrogen sulfate Chemical compound OS(O)(=O)=O.CN(C)C1=CC=CC=C1 GVDIQFPDYZBNMO-UHFFFAOYSA-N 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 150000007530 organic bases Chemical group 0.000 description 2
- 235000011056 potassium acetate Nutrition 0.000 description 2
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 2
- 150000003141 primary amines Chemical class 0.000 description 2
- 150000003335 secondary amines Chemical class 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 2
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- IHZKETTXKOZMRU-UHFFFAOYSA-N S(=O)(=O)(O)CC(=O)O.C(C)(=O)OC(C)=O Chemical compound S(=O)(=O)(O)CC(=O)O.C(C)(=O)OC(C)=O IHZKETTXKOZMRU-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- MVMLTMBYNXHXFI-UHFFFAOYSA-H antimony(3+);trisulfate Chemical compound [Sb+3].[Sb+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O MVMLTMBYNXHXFI-UHFFFAOYSA-H 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- -1 benzene and toluene Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- VFGUZPZNOAEVCT-UHFFFAOYSA-L potassium sodium hydrogen sulfate hydroxide Chemical compound S(=O)(=O)([O-])O.[K+].[OH-].[Na+] VFGUZPZNOAEVCT-UHFFFAOYSA-L 0.000 description 1
- ZNCXUFVDFVBRDO-UHFFFAOYSA-N pyridine;sulfuric acid Chemical compound [H+].[O-]S([O-])(=O)=O.C1=CC=[NH+]C=C1 ZNCXUFVDFVBRDO-UHFFFAOYSA-N 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/02—Catalysts used for the esterification
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE284726C true DE284726C (enrdf_load_stackoverflow) |
Family
ID=540170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT284726D Active DE284726C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE284726C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT284726D patent/DE284726C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE284726C (enrdf_load_stackoverflow) | ||
| EP0253276B1 (de) | Pigmente der Chinacridonchinon-Reihe, Verfahren zu ihrer Herstellung und ihre Verwendung | |
| EP0070521B1 (de) | Verfahren zur Verbesserung der anwendungstechnischen Eigenschaften von Disazopigmenten | |
| DE940680C (de) | Verfahren zur Herstellung von Polyvinylestern aus hydroxylgruppen-haltigen Polyvinylverbindungen und Diketen | |
| DE2739775C2 (enrdf_load_stackoverflow) | ||
| DE272121C (enrdf_load_stackoverflow) | ||
| DE888008C (de) | Verfahren zur Herstellung von licht- und waermestabilen Kondensationsprodukten des Polyvinylalkohols | |
| DE620300C (de) | Verfahren zur Herstellung acetonloeslicher hochviscoser Celluloseester niederer Fettsaeuren durch Behandlung mit halogenhaltigen Phosphorverbindungen | |
| DE1645876C3 (enrdf_load_stackoverflow) | ||
| DE2906805B2 (de) | Konzentrierte, lagerstabile Lösungen von Kupplungskomponenten für die Eisfarbenfärberei, deren Herstellung und Verwendung Hoechst AG, 6000 Frankfurt | |
| DE627622C (de) | Verfahren zur Herstellung von Bariumpolysulfid in fester Form, insbesondere fuer denPflanzenschutz | |
| DE1266425B (de) | Verfahren zur Herstellung von Anthrachinon-Dispersionsfarbstoffen | |
| DE543590C (de) | Verfahren zur Herstellung von Monoazofarbstoffen | |
| DE956716C (de) | Verfahren zur Herstellung von Loesungen aus Polyacrylsaeurenitril bzw. aus seinen Mischpolymerisaten | |
| DE565478C (de) | Verfahren zur Darstellung von auf die Baumwolle ziehenden und auf der Faser diazotierbaren Verbindungen | |
| DE199175C (enrdf_load_stackoverflow) | ||
| DE565266C (de) | Verfahren zur Herstellung von wertvollen Farblacken | |
| DE390666C (de) | Verfahren zur Darstellung von wasserunloeslichen Azofarbstoffen | |
| DE71490C (de) | Verfahren zur Ueberführung von Rhodaminen in höher alkylirte blaustichigere Farbstoffe | |
| AT164806B (de) | Verfahren zur Darstellung eines im wesentlichen einbasischen Bleisalzes des 2,4-Dinitroresorzins | |
| AT160844B (de) | Verfahren zur Herstellung einer Chlorkautschuk und Celluloseester, insbesondere Nitrocellulose enthaltenden Masse. | |
| DE737676C (de) | Verfahren zur Herstellung fettsaurer Erdalkalisalze | |
| DE2816983A1 (de) | Stabile, fluessige, hochkonzentrierte farbstoffzubereitungen, ihre herstellung und verwendung | |
| DE1669182B2 (de) | Bindemittel auf basis von alkalisilikaten | |
| DE296446C (enrdf_load_stackoverflow) |