BR8106813A - Eter misto e celulose hidrossoluvel e processo para sua preparacao - Google Patents
Eter misto e celulose hidrossoluvel e processo para sua preparacaoInfo
- Publication number
- BR8106813A BR8106813A BR8106813A BR8106813A BR8106813A BR 8106813 A BR8106813 A BR 8106813A BR 8106813 A BR8106813 A BR 8106813A BR 8106813 A BR8106813 A BR 8106813A BR 8106813 A BR8106813 A BR 8106813A
- Authority
- BR
- Brazil
- Prior art keywords
- substituent
- water
- moles
- cellulose
- weight
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title abstract 5
- 239000001913 cellulose Substances 0.000 title abstract 5
- 125000001424 substituent group Chemical group 0.000 abstract 4
- -1 phosphonomethyl substituent Chemical group 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 150000002170 ethers Chemical class 0.000 abstract 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000008186 active pharmaceutical agent Substances 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000004181 carboxyalkyl group Chemical group 0.000 abstract 1
- 125000004985 dialkyl amino alkyl group Chemical group 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 125000004964 sulfoalkyl group Chemical group 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
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
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)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803039963 DE3039963A1 (de) | 1980-10-23 | 1980-10-23 | Wasserloesliche cellulosemischether mit einem phosphonomethylsubstituenten und ein verfahren zu ihrer herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8106813A true BR8106813A (pt) | 1982-07-06 |
Family
ID=6114995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8106813A BR8106813A (pt) | 1980-10-23 | 1981-10-22 | Eter misto e celulose hidrossoluvel e processo para sua preparacao |
Country Status (8)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3112945A1 (de) * | 1981-03-31 | 1982-10-07 | Hoechst Ag, 6000 Frankfurt | Celluloseether und cellulosemischether mit mindestens einem phosphorhaltigen substituenten und ein verfahren zu ihrer herstellung |
| DE3112946A1 (de) * | 1981-03-31 | 1982-10-07 | Hoechst Ag, 6000 Frankfurt | Gelbildende zusammensetzung auf der basis eines celluloseethers, ein verfahren zur herstellung eines gels, ein verfahren zur reversiblen aufhebung des gels und ihre verwendung bei der sekundaerfoerderung von erdoel |
| DE3316124A1 (de) * | 1983-05-03 | 1984-11-08 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von wasserloeslichen cellulosemischethern |
| DE4037605A1 (de) * | 1990-11-27 | 1992-06-04 | Wolff Walsrode Ag | Wasserloesliche hydroxypropyl-sulfoethyl-cellulosederivate (hpsec) mit niedrigem substitutionsgrad und verfahren zu ihrer herstellung |
| DE4113892A1 (de) * | 1991-04-27 | 1992-10-29 | Wolff Walsrode Ag | Wasserloesliche sulfoethylcelluloseether mit sehr guter loesungsqualitaet und verfahren zu ihrer herstellung |
| US8518387B2 (en) * | 2009-12-16 | 2013-08-27 | Union Carbide Chemicals & Plastics Technology Llc | Personal care compositions with tertiary amino modified cellulose derivatives |
| BR112015029436B1 (pt) | 2013-05-24 | 2020-12-08 | Stora Enso Oyj | método de modificação de polímeros |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2979374A (en) * | 1957-10-31 | 1961-04-11 | Jr George L Drake | Fibrous textile cellulosic phosphonomethyl ethers and process of preparation |
| US3388118A (en) * | 1965-04-23 | 1968-06-11 | Stevens & Co Inc J P | Chemical modification of cellulose and products thereof |
| US3553194A (en) * | 1967-12-28 | 1971-01-05 | Staley Mfg Co A E | Starch phosphonates |
| SE374748B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-02-07 | 1975-03-17 | Pharmacia Fine Chemicals Ab | |
| SE343306B (sv) * | 1969-02-07 | 1972-03-06 | Pharmacia Fine Chemicals Ab | Saett att framstaella jonbytare bestaende av runda korn av substituerad cellulosa |
| US4020271A (en) * | 1975-01-13 | 1977-04-26 | Personal Products Company | Crosslinked phosphonoalkyl cellulose and absorbent devices incorporating same |
| DE2924330A1 (de) * | 1979-06-15 | 1980-12-18 | Hoechst Ag | Kontinuierliches verfahren und vorrichtung zur herstellung von wasserloeslicher hydroxyalkylcellulose oder deren mischethern |
-
1980
- 1980-10-23 DE DE19803039963 patent/DE3039963A1/de not_active Withdrawn
-
1981
- 1981-10-07 CA CA000387481A patent/CA1174234A/en not_active Expired
- 1981-10-15 AT AT81108355T patent/ATE8149T1/de not_active IP Right Cessation
- 1981-10-15 DE DE8181108355T patent/DE3164454D1/de not_active Expired
- 1981-10-15 EP EP81108355A patent/EP0051181B1/de not_active Expired
- 1981-10-20 US US06/313,351 patent/US4358587A/en not_active Expired - Fee Related
- 1981-10-21 FI FI813291A patent/FI67860C/fi not_active IP Right Cessation
- 1981-10-21 JP JP56167314A patent/JPS57102902A/ja active Granted
- 1981-10-22 BR BR8106813A patent/BR8106813A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0051181A1 (de) | 1982-05-12 |
| DE3039963A1 (de) | 1982-05-27 |
| FI67860C (fi) | 1985-06-10 |
| FI67860B (fi) | 1985-02-28 |
| CA1174234A (en) | 1984-09-11 |
| ATE8149T1 (de) | 1984-07-15 |
| EP0051181B1 (de) | 1984-06-27 |
| DE3164454D1 (en) | 1984-08-02 |
| JPH0143761B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-09-22 |
| JPS57102902A (en) | 1982-06-26 |
| FI813291L (fi) | 1982-04-24 |
| US4358587A (en) | 1982-11-09 |
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