DE550258C - Process for the production of cellulose derivatives - Google Patents
Process for the production of cellulose derivativesInfo
- Publication number
- DE550258C DE550258C DE1930550258D DE550258DD DE550258C DE 550258 C DE550258 C DE 550258C DE 1930550258 D DE1930550258 D DE 1930550258D DE 550258D D DE550258D D DE 550258DD DE 550258 C DE550258 C DE 550258C
- Authority
- DE
- Germany
- Prior art keywords
- production
- cellulose derivatives
- parts
- derivatives
- phosphorus
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
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)
Description
Verfahren zur Herstellung von Cellulosederivaten Es wurde gefunden, daß die Verbindungen, ie ei:tstehen durch teilweises Umsetzen der Ialogene in Haloiden der Sauerstoffphosphoriuren, wie Phosphorpentachlorid, Phosphorrichlorid, Phosphoroxychlorid usw., mit Aloholen oder Phenolen, in Gegenwart von !rtiären Basen auf Cellulose reagieren unter lildung von neuen Cellulosederivaten, welche ich durch ihre Unempfänglichkeit gegenüber )irektfarbstoüeii auszeichnen. Gleichzeitig esitzen sie eine hervorragende Affinität zu en basischen Farbstoffen.Process for the production of cellulose derivatives It has been found that the connections are formed by partial conversion of the halogens into haloids the oxygen phosphorus, such as phosphorus pentachloride, phosphorus trichloride, phosphorus oxychloride etc., with aloholene or phenols, in the presence of tertiary bases on cellulose react with the formation of new cellulose derivatives, which I am affected by their insensitivity opposite) irektfarbstoüeii. At the same time they are sitting excellent Affinity for basic dyes.
Die Cellulose kann in Form von roher der verarbeiteter Baumwolle, Linters, Sultcellulose, regenerierter Cellulose, Leinen, ute usw. verwendet «erden. Beispiel i io Teile Bauinwollrarn werden in einer .ösung von 5 bis io Teilen Triphenylinetlioxyhosphordichlorid (Cheni. Soc. 123, 815; '. 1923 111 36) in Zoo bis 3oo Teilen trockeeni Pyridin während 8 bis 2o Stunden auf ein siedenden Wasserbade behandelt und achlier gründlich gespült. Die Faser ist .ißerlich in keiner Weise verändert, hat aber über io°/o an Gewicht zugenommen, wird von Direktfarbstoffen nicht mehr gefärbt und hat Affinität zu basischen. Farbstoffen. Beispiel io Teile Baumwolle «-erden in einer Lösung von 5 Teilen Phosphorigsäurephenylesterdichlorid (A.218, 89; 239, 310) in 200 bis 3oo Teilen trockenem Pyridin während ungefähr 6 Stunden bei 3o bis :4o° behandelt, gründlich gespült, geseift und getrocknet. Die Faser hat starke Affinität zu basischen Farbstoffen, jedoch keine mehr zu Substantiven.The cellulose can be used in the form of raw or processed cotton, linters, sultcellulose, regenerated cellulose, linen, etc. EXAMPLE 10 parts of cotton wool are treated in a solution of 5 to 10 parts of triphenylinetlioxyhosphorus dichloride (Cheni. Soc. 123, 815; 1923 111 36) in zoo to 300 parts of dry pyridine for 8 to 20 hours on a boiling water bath and achlier rinsed thoroughly. Obviously, the fiber has not changed in any way, but has increased in weight by over 10%, is no longer colored by direct dyes, and has an affinity for basic dyes. Dyes. Example 10 parts of cotton earth in a solution of 5 parts of phosphorous acid phenyl ester dichloride (A.218, 89; 239, 310) in 200 to 300 parts of dry pyridine for about 6 hours at 30 to 40 °, rinsed thoroughly, soaped and dried . The fiber has a strong affinity for basic dyes, but no longer for nouns.
In ähnlicher Weise verfährt man finit andern Phosphorderivaten, z. B. Phosphorigsäurediplienylesterchlorid (A. 218, 89; 239, 31o), I'hosl)liorsäurephenylesterdiclilorid(B. S,1521; A. 22d.,157), Dipliosphorigsäurecliätliylenesterdichlorid (aus Phosphortrichlorid und Glykol, C. r. 136, 756), Phospliorigsäureäthylesterdichlorid (A. 139, 3=13), Phosphorsäureäthylesterdichlorid (A. Spl. 6, 26d.5) usw., wobei ebenfalls Cellulosederivate finit den in den Beispielen i und 2 angeführten Eigenschaften erhalten werden.A similar procedure is used for other phosphorus derivatives, e.g. B. Phosphorous acid diphenyl ester chloride (A. 218, 89; 239, 31o), I'hosl), boric acid phenyl ester dicloride (B. S, 1521; A. 22d., 157), Dipliosphorigsäurecliätliylenesterdichlorid (from phosphorus trichloride and glycol, C. r. 136, 756) , Phosphoric acid ethyl ester dichloride (A. 139, 3 = 13), phosphoric acid ethyl ester dichloride (A. Spl. 6, 26d.5), etc., cellulose derivatives also finitely having the properties listed in Examples i and 2 are obtained.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH550258X | 1930-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE550258C true DE550258C (en) | 1932-05-10 |
Family
ID=4519582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1930550258D Expired DE550258C (en) | 1930-05-31 | 1930-06-03 | Process for the production of cellulose derivatives |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE550258C (en) |
-
1930
- 1930-06-03 DE DE1930550258D patent/DE550258C/en not_active Expired
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