GB1160210A - Stabilization of Cellulose Derivatives - Google Patents
Stabilization of Cellulose DerivativesInfo
- Publication number
- GB1160210A GB1160210A GB3331568A GB3331568A GB1160210A GB 1160210 A GB1160210 A GB 1160210A GB 3331568 A GB3331568 A GB 3331568A GB 3331568 A GB3331568 A GB 3331568A GB 1160210 A GB1160210 A GB 1160210A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- hydroquinone
- propionate
- organic
- morpholinocrotonate
- 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
- 229920002678 cellulose Polymers 0.000 title abstract 5
- 239000001913 cellulose Substances 0.000 title abstract 4
- 230000006641 stabilisation Effects 0.000 title 1
- 238000011105 stabilization Methods 0.000 title 1
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N 1,4-Benzenediol Natural products OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 2
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 abstract 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 abstract 2
- -1 acetate morpholinobutyrate Chemical compound 0.000 abstract 2
- 239000003963 antioxidant agent Substances 0.000 abstract 2
- 229920002301 cellulose acetate Polymers 0.000 abstract 2
- 229920006218 cellulose propionate Polymers 0.000 abstract 2
- 239000007795 chemical reaction product Substances 0.000 abstract 2
- 150000007530 organic bases Chemical class 0.000 abstract 2
- MGSRCZKZVOBKFT-UHFFFAOYSA-N thymol Chemical compound CC(C)C1=CC=C(C)C=C1O MGSRCZKZVOBKFT-UHFFFAOYSA-N 0.000 abstract 2
- ZNNBPQITYIOLKR-SQQVDAMQSA-N (e)-but-2-enoic acid;propanoic acid Chemical compound CCC(O)=O.C\C=C\C(O)=O ZNNBPQITYIOLKR-SQQVDAMQSA-N 0.000 abstract 1
- QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 abstract 1
- 239000004322 Butylated hydroxytoluene Substances 0.000 abstract 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 abstract 1
- 239000005844 Thymol Substances 0.000 abstract 1
- 229960000583 acetic acid Drugs 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 229940095259 butylated hydroxytoluene Drugs 0.000 abstract 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 229920003086 cellulose ether Polymers 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 239000012362 glacial acetic acid Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 abstract 1
- 230000002269 spontaneous effect Effects 0.000 abstract 1
- 229960000790 thymol Drugs 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
- A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
-
- 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
- C08B13/00—Preparation of cellulose ether-esters
-
- 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
- C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates
-
- 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
- C08B3/22—Post-esterification treatments, including purification
- C08B3/30—Stabilising
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65364667A | 1967-07-17 | 1967-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1160210A true GB1160210A (en) | 1969-08-06 |
Family
ID=24621741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3331568A Expired GB1160210A (en) | 1967-07-17 | 1968-07-12 | Stabilization of Cellulose Derivatives |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE717719A (enrdf_load_stackoverflow) |
| DE (1) | DE1770890B2 (enrdf_load_stackoverflow) |
| FR (1) | FR1573508A (enrdf_load_stackoverflow) |
| GB (1) | GB1160210A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3562806A (en) * | 1968-09-10 | 1971-02-09 | Eastman Kodak Co | Rumen stable medicament and/or nutrient compositions |
| DE19619079A1 (de) * | 1996-05-13 | 1997-11-20 | Thueringisches Inst Textil | Verfahren zum Stabilisieren von Celluloseethern und/oder Celluloseetherestern |
-
1968
- 1968-07-05 BE BE717719D patent/BE717719A/xx unknown
- 1968-07-08 FR FR1573508D patent/FR1573508A/fr not_active Expired
- 1968-07-12 GB GB3331568A patent/GB1160210A/en not_active Expired
- 1968-07-16 DE DE19681770890 patent/DE1770890B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR1573508A (enrdf_load_stackoverflow) | 1969-05-27 |
| DE1770890A1 (de) | 1972-02-10 |
| BE717719A (enrdf_load_stackoverflow) | 1968-12-16 |
| DE1770890C3 (enrdf_load_stackoverflow) | 1973-11-22 |
| DE1770890B2 (de) | 1973-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |