DE1468538A1 - Alterung von Hydroxyaethylcellulose - Google Patents
Alterung von HydroxyaethylcelluloseInfo
- Publication number
- DE1468538A1 DE1468538A1 DE19631468538 DE1468538A DE1468538A1 DE 1468538 A1 DE1468538 A1 DE 1468538A1 DE 19631468538 DE19631468538 DE 19631468538 DE 1468538 A DE1468538 A DE 1468538A DE 1468538 A1 DE1468538 A1 DE 1468538A1
- Authority
- DE
- Germany
- Prior art keywords
- aging
- oxygen
- cellulose
- air
- alkali
- 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.)
- Pending
Links
- 230000032683 aging Effects 0.000 title description 26
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 title 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 title 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 title 1
- 229920002678 cellulose Polymers 0.000 claims description 22
- 239000001913 cellulose Substances 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- 239000001301 oxygen Substances 0.000 claims description 19
- 229910052760 oxygen Inorganic materials 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 239000010941 cobalt Substances 0.000 claims description 10
- 229910017052 cobalt Inorganic materials 0.000 claims description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
- 239000003054 catalyst Substances 0.000 claims description 7
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 3
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims 1
- 230000011164 ossification Effects 0.000 claims 1
- 238000006467 substitution reaction Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 12
- 230000003197 catalytic effect Effects 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 -iritrat Chemical compound 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241000239290 Araneae Species 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- HWCKGOZZJDHMNC-UHFFFAOYSA-M tetraethylammonium bromide Chemical compound [Br-].CC[N+](CC)(CC)CC HWCKGOZZJDHMNC-UHFFFAOYSA-M 0.000 description 1
- 239000002023 wood Substances 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
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Artificial Filaments (AREA)
- Glass Compositions (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US188835A US3296248A (en) | 1962-04-19 | 1962-04-19 | Process of oxidative aging of hydroxyethylcellulose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1468538A1 true DE1468538A1 (de) | 1968-12-19 |
Family
ID=22694729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19631468538 Pending DE1468538A1 (de) | 1962-04-19 | 1963-04-11 | Alterung von Hydroxyaethylcellulose |
Country Status (8)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3498971A (en) * | 1967-02-13 | 1970-03-03 | Allied Chem | Process for the preparation of sodium carboxymethylcellulose |
| DE2917104A1 (de) * | 1979-04-27 | 1980-11-06 | Hoechst Ag | Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung |
| US5366755A (en) * | 1989-02-10 | 1994-11-22 | Maritta Timonen | Foodstuffs containing novel degraded cellulose derivatives |
| FI895708A0 (fi) * | 1989-02-10 | 1989-11-29 | Alko Ab Oy | Vattenloeslig soenderdelningsprodukt. |
| JPH089680B2 (ja) * | 1990-07-02 | 1996-01-31 | アクアロン・カンパニー | 高固形分、低粘度の多糖組成物 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2512338A (en) * | 1947-04-29 | 1950-06-20 | Hercules Powder Co Ltd | Preparation of cellulose ethers |
| US2682536A (en) * | 1952-05-22 | 1954-06-29 | Rayonier Inc | Aging alkali cellulose |
| US2841579A (en) * | 1954-04-06 | 1958-07-01 | Int Paper Canada | Depolymerization of cellulose in alkaline medium |
| US2847411A (en) * | 1955-02-15 | 1958-08-12 | Rayonier Inc | Process for producing hydroxyethoxycellulose |
-
0
- BE BE626042D patent/BE626042A/xx unknown
-
1962
- 1962-04-19 US US188835A patent/US3296248A/en not_active Expired - Lifetime
- 1962-10-10 GB GB38404/62A patent/GB948248A/en not_active Expired
- 1962-10-20 ES ES281718A patent/ES281718A1/es not_active Expired
- 1962-11-15 AT AT898362A patent/AT238726B/de active
- 1962-11-26 CH CH1387862A patent/CH423225A/fr unknown
- 1962-12-10 FR FR918037D patent/FR1345271A/fr not_active Expired
-
1963
- 1963-04-11 DE DE19631468538 patent/DE1468538A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH423225A (fr) | 1966-10-31 |
| GB948248A (en) | 1964-01-29 |
| AT238726B (de) | 1965-02-25 |
| US3296248A (en) | 1967-01-03 |
| ES281718A1 (es) | 1963-01-16 |
| FR1345271A (fr) | 1963-12-06 |
| BE626042A (US20020193084A1-20021219-M00002.png) |
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