FI64168C - Framstaellning av vatten oloesliga karboximetylcellulosa-absorbermedel - Google Patents
Framstaellning av vatten oloesliga karboximetylcellulosa-absorbermedel Download PDFInfo
- Publication number
- FI64168C FI64168C FI791563A FI791563A FI64168C FI 64168 C FI64168 C FI 64168C FI 791563 A FI791563 A FI 791563A FI 791563 A FI791563 A FI 791563A FI 64168 C FI64168 C FI 64168C
- Authority
- FI
- Finland
- Prior art keywords
- insoluble
- sodium carboxymethylcellulose
- temperature
- partially
- cmc
- Prior art date
Links
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 40
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 38
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 37
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 37
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- 230000020477 pH reduction Effects 0.000 claims description 16
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 14
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 11
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 11
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 9
- 239000012632 extractable Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000008961 swelling Effects 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000006467 substitution reaction Methods 0.000 claims 1
- 229940105329 carboxymethylcellulose Drugs 0.000 description 34
- 238000006243 chemical reaction Methods 0.000 description 13
- 239000002250 absorbent Substances 0.000 description 12
- 230000002745 absorbent Effects 0.000 description 12
- 239000008186 active pharmaceutical agent Substances 0.000 description 11
- 238000004132 cross linking Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 150000007942 carboxylates Chemical group 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002198 insoluble material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- CQGRLHBOVUGVEA-UHFFFAOYSA-N OOOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOOO CQGRLHBOVUGVEA-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000005303 weighing Methods 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
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/005—Crosslinking of cellulose derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Hematology (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Detergent Compositions (AREA)
- Cosmetics (AREA)
- External Artificial Organs (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US90672478 | 1978-05-17 | ||
| US05/906,724 US4200737A (en) | 1978-05-17 | 1978-05-17 | Preparation of water-insoluble carboxymethyl cellulose absorbents |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI791563A7 FI791563A7 (fi) | 1979-11-18 |
| FI64168B FI64168B (fi) | 1983-06-30 |
| FI64168C true FI64168C (fi) | 1983-10-10 |
Family
ID=25422875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI791563A FI64168C (fi) | 1978-05-17 | 1979-05-16 | Framstaellning av vatten oloesliga karboximetylcellulosa-absorbermedel |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4200737A (da) |
| BE (1) | BE876273A (da) |
| CA (1) | CA1107268A (da) |
| DE (1) | DE2920019A1 (da) |
| DK (1) | DK201579A (da) |
| FI (1) | FI64168C (da) |
| FR (1) | FR2426057A1 (da) |
| GB (1) | GB2021116B (da) |
| NL (1) | NL7903775A (da) |
| NO (1) | NO791534L (da) |
| SE (1) | SE7904307L (da) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1121850B (it) * | 1979-06-20 | 1986-04-23 | Montedison Spa | Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione |
| US5720832A (en) * | 1981-11-24 | 1998-02-24 | Kimberly-Clark Ltd. | Method of making a meltblown nonwoven web containing absorbent particles |
| US4609675A (en) * | 1984-08-17 | 1986-09-02 | The Upjohn Company | Stable, high dose, high bulk density ibuprofen granulations for tablet and capsule manufacturing |
| US4950692A (en) * | 1988-12-19 | 1990-08-21 | Nalco Chemical Company | Method for reconstituting superabsorbent polymer fines |
| US4970267A (en) * | 1990-03-08 | 1990-11-13 | Nalco Chemical Company | Reconstitution of superabsorbent polymer fines using persulfate salts |
| GB2284421A (en) * | 1993-12-02 | 1995-06-07 | Courtaulds Plc | Treatment of cellulose |
| US5801116A (en) * | 1995-04-07 | 1998-09-01 | Rhodia Inc. | Process for producing polysaccharides and their use as absorbent materials |
| CA2382419A1 (en) * | 2002-04-24 | 2003-10-24 | Le Groupe Lysac Inc. | Synergistic blends of polysaccharides as biodegradable absorbent materials or superabsorbents |
| US20050220882A1 (en) * | 2004-03-04 | 2005-10-06 | Wilson Pritchard | Materials for medical implants and occlusive devices |
| US20060142478A1 (en) * | 2004-12-29 | 2006-06-29 | Mengkui Luo | Carboxyalkyl cellulose polymer network |
| US20060142561A1 (en) * | 2004-12-29 | 2006-06-29 | Mengkui Luo | Carboxyalkyl cellulose |
| US20060142480A1 (en) * | 2004-12-29 | 2006-06-29 | Mengkui Luo | Method of making carboxyalkyl cellulose polymer network |
| MX338007B (es) | 2009-02-20 | 2016-03-30 | Archer Daniels Midland Co | Particulas de almidon de carboxialquilo permeadas por gas acido, extruidos y proceso para elaborar los mismos. |
| KR101318421B1 (ko) * | 2013-04-08 | 2013-10-16 | 한국생산기술연구원 | 지혈 및 상처치유용 카복시메틸셀룰로오스 폼 및 그의 제조방법 |
| CN106946996B (zh) * | 2017-04-24 | 2019-09-27 | 王彬 | 药用辅料交联羧甲基纤维素钠及其制备方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1904406A (en) * | 1930-07-02 | 1933-04-18 | Du Pont | Method of reducing the solution viscosity of cellulose |
| US2639239A (en) * | 1950-11-18 | 1953-05-19 | Hercules Powder Co Ltd | Heat-treated alkali-metal carboxymethyl cellulose and process of preparing it |
| US2772999A (en) * | 1952-06-06 | 1956-12-04 | Johnson & Johnson | Hemostatic surgical compositions and dressings |
| US2766137A (en) * | 1952-06-06 | 1956-10-09 | Johnson & Johnson | Treated fibrous product and method |
| GB1086323A (en) * | 1963-07-18 | 1967-10-11 | Courtaulds Ltd | Derivative of carboxy methyl cellulose |
| US3379721A (en) * | 1964-10-12 | 1968-04-23 | Hercules Inc | Process of treating water-soluble alkali metal salts of cmc and product |
| US3379720A (en) * | 1964-10-12 | 1968-04-23 | Hercules Inc | Water-soluble polymers and process of preparing |
| JPS4841037B1 (da) * | 1964-10-26 | 1973-12-04 | ||
| US3731686A (en) * | 1971-03-22 | 1973-05-08 | Personal Products Co | Fluid absorption and retention products and methods of making the same |
| US4044766A (en) * | 1976-02-27 | 1977-08-30 | Kimberly-Clark Corporation | Compressed catamenial tampons with improved capabilities for absorbing menstrual fluids |
| US4061859A (en) * | 1976-06-14 | 1977-12-06 | The Dow Chemical Company | Viscosity reduction of cellulose derivatives |
| US4107426A (en) * | 1976-07-06 | 1978-08-15 | Roy Gerald Gordon | Process for treating cellulose |
-
1978
- 1978-05-17 US US05/906,724 patent/US4200737A/en not_active Ceased
-
1979
- 1979-05-08 NO NO791534A patent/NO791534L/no unknown
- 1979-05-11 GB GB7916523A patent/GB2021116B/en not_active Expired
- 1979-05-14 NL NL7903775A patent/NL7903775A/xx not_active Application Discontinuation
- 1979-05-16 SE SE7904307A patent/SE7904307L/xx not_active Application Discontinuation
- 1979-05-16 BE BE1/9390A patent/BE876273A/xx unknown
- 1979-05-16 FI FI791563A patent/FI64168C/fi not_active IP Right Cessation
- 1979-05-16 DK DK201579A patent/DK201579A/da not_active Application Discontinuation
- 1979-05-17 DE DE19792920019 patent/DE2920019A1/de not_active Withdrawn
- 1979-05-17 FR FR7912597A patent/FR2426057A1/fr not_active Withdrawn
- 1979-05-17 CA CA327,834A patent/CA1107268A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2920019A1 (de) | 1979-11-29 |
| FI64168B (fi) | 1983-06-30 |
| NO791534L (no) | 1979-11-20 |
| BE876273A (fr) | 1979-11-16 |
| FI791563A7 (fi) | 1979-11-18 |
| SE7904307L (sv) | 1979-11-18 |
| US4200737A (en) | 1980-04-29 |
| CA1107268A (en) | 1981-08-18 |
| GB2021116A (en) | 1979-11-28 |
| DK201579A (da) | 1979-11-18 |
| FR2426057A1 (fr) | 1979-12-14 |
| NL7903775A (nl) | 1979-11-20 |
| GB2021116B (en) | 1982-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: INTERNATIONAL PLAYTEX, INC. |