DE153350C - - Google Patents
Info
- Publication number
- DE153350C DE153350C DE1901153350D DE153350DA DE153350C DE 153350 C DE153350 C DE 153350C DE 1901153350 D DE1901153350 D DE 1901153350D DE 153350D A DE153350D A DE 153350DA DE 153350 C DE153350 C DE 153350C
- Authority
- DE
- Germany
- Prior art keywords
- hydrocellulose
- alcohol
- sulfuric acid
- acetic anhydride
- solution
- 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.)
- Expired - Lifetime
Links
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 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
- 229960000583 acetic acid Drugs 0.000 description 2
- 229940081735 acetylcellulose Drugs 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000001828 Gelatine Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003756 stirring Methods 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
- C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT21213D AT21213B (de) | 1901-08-01 | 1901-12-23 | Verfahren zur Darstellung eines alkohollöslichen Azetylderivates der Zellulose. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE153350C true DE153350C (ref) |
Family
ID=419993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1901153350D Expired - Lifetime DE153350C (ref) | 1901-08-01 | 1901-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE153350C (ref) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029243A (en) * | 1975-02-28 | 1977-06-14 | Samuel Zerobnick | Integrated belt-supported backpack |
-
1901
- 1901-08-01 DE DE1901153350D patent/DE153350C/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029243A (en) * | 1975-02-28 | 1977-06-14 | Samuel Zerobnick | Integrated belt-supported backpack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE153350C (ref) | ||
| AT21213B (de) | Verfahren zur Darstellung eines alkohollöslichen Azetylderivates der Zellulose. | |
| DE635280C (de) | Verfahren zur Herstellung leicht loeslicher Acetylcellulose mit einer im Vergleich zur Viscositaet in Ameisensaeure besonders hohen Viscositaet in Aceton | |
| DE659764C (de) | Verfahren zur Herstellung von Schrumpfkapseln aus Celluloseestern | |
| DE542868C (de) | Verfahren zur Herstellung von Celluloseacetobutyraten | |
| AT33452B (de) | Verfahren zur Herstellung von Säurederivaten der Zellulose. | |
| DE132066C (ref) | ||
| DE526479C (de) | Verfahren zur Darstellung von Celluloseestern | |
| CH181244A (de) | Verfahren zur Reinigung von Äthern von Kohlehydraten. | |
| DE571523C (de) | Verfahren zur Herstellung von Kondensationsprodukten aus Methylenanthronen | |
| DE600980C (de) | Verfahren zur Darstellung faserfoermiger Celluloseacetate | |
| DE488528C (de) | Verfahren zur Herstellung von in Chloroform loeslicher Acetylcellulose | |
| DE117890C (ref) | ||
| AT157697B (de) | Verfahren zur Veresterung von Cellulose. | |
| AT107289B (de) | Verfahren zur Herstellung von Gebilden aus Celluloseestern etc. | |
| DE289946C (ref) | ||
| DE663154C (de) | Verfahren zur Herstellung hochbestaendiger Cellulosefettsaeureester | |
| DE457182C (de) | Verfahren zur Darstellung von Kuepenfarbstoffen | |
| DE303640C (ref) | ||
| DE581954C (de) | Verfahren zur Herstellung von Mischestern der Cellulose | |
| AT128866B (de) | Verfahren zur Darstellung von Celluloseestern. | |
| AT159570B (de) | Verfahren zur Herstellung hochbeständiger Cellulosefettsäureester. | |
| DE600979C (de) | Verfahren zur Darstellung faserfoermiger Celluloseacetate | |
| AT32637B (de) | Verfahren zur Darstellung einer Azetylverbindung der Zellulose. | |
| DE120713C (ref) |