ES281718A1 - Un procedimiento para rebajar el grado de polimerización de hidroxietilcelulosa - Google Patents
Un procedimiento para rebajar el grado de polimerización de hidroxietilcelulosaInfo
- Publication number
- ES281718A1 ES281718A1 ES281718A ES281718A ES281718A1 ES 281718 A1 ES281718 A1 ES 281718A1 ES 281718 A ES281718 A ES 281718A ES 281718 A ES281718 A ES 281718A ES 281718 A1 ES281718 A1 ES 281718A1
- Authority
- ES
- Spain
- Prior art keywords
- hydroxyethylcellulose
- translation
- polymerization
- degree
- machine
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 238000006116 polymerization reaction Methods 0.000 title abstract 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 abstract 5
- 239000004354 Hydroxyethyl cellulose Substances 0.000 abstract 5
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 abstract 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 2
- 229910017052 cobalt Inorganic materials 0.000 abstract 2
- 239000010941 cobalt Substances 0.000 abstract 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 2
- 229910052748 manganese Inorganic materials 0.000 abstract 2
- 239000011572 manganese Substances 0.000 abstract 2
- 238000005266 casting Methods 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000009987 spinning Methods 0.000 abstract 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 |
|---|---|
| ES281718A1 true ES281718A1 (es) | 1963-01-16 |
Family
ID=22694729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES281718A Expired ES281718A1 (es) | 1962-04-19 | 1962-10-20 | Un procedimiento para rebajar el grado de polimerización de hidroxietilcelulosa |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3296248A (es) |
| AT (1) | AT238726B (es) |
| BE (1) | BE626042A (es) |
| CH (1) | CH423225A (es) |
| DE (1) | DE1468538A1 (es) |
| ES (1) | ES281718A1 (es) |
| FR (1) | FR1345271A (es) |
| GB (1) | GB948248A (es) |
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. |
| EP0465992B1 (en) * | 1990-07-02 | 1998-06-17 | Aqualon Company | High solids low viscosity polysaccharide composition |
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 |
|---|---|
| DE1468538A1 (de) | 1968-12-19 |
| FR1345271A (fr) | 1963-12-06 |
| CH423225A (fr) | 1966-10-31 |
| BE626042A (es) | |
| GB948248A (en) | 1964-01-29 |
| US3296248A (en) | 1967-01-03 |
| AT238726B (de) | 1965-02-25 |
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