GB1583974A - Absorbent for aqueous physiological liquids and process for the production thereof - Google Patents
Absorbent for aqueous physiological liquids and process for the production thereof Download PDFInfo
- Publication number
- GB1583974A GB1583974A GB3605477A GB3605477A GB1583974A GB 1583974 A GB1583974 A GB 1583974A GB 3605477 A GB3605477 A GB 3605477A GB 3605477 A GB3605477 A GB 3605477A GB 1583974 A GB1583974 A GB 1583974A
- Authority
- GB
- United Kingdom
- Prior art keywords
- absorbent
- fibres
- cellulose
- weight
- solution
- 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
- 230000002745 absorbent Effects 0.000 title claims abstract description 40
- 239000002250 absorbent Substances 0.000 title claims abstract description 40
- 239000007788 liquid Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229920002678 cellulose Polymers 0.000 claims abstract description 28
- 239000001913 cellulose Substances 0.000 claims abstract description 28
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 238000009987 spinning Methods 0.000 claims abstract description 19
- 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 abstract description 18
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 18
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 10
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 9
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 6
- 235000010980 cellulose Nutrition 0.000 claims description 26
- 229920000297 Rayon Polymers 0.000 claims description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 4
- 230000005070 ripening Effects 0.000 claims description 4
- 239000012991 xanthate Substances 0.000 claims description 4
- 238000002407 reforming Methods 0.000 claims description 3
- 229940106135 cellulose Drugs 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract 2
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- YLGXILFCIXHCMC-JHGZEJCSSA-N methyl cellulose Chemical compound COC1C(OC)C(OC)C(COC)O[C@H]1O[C@H]1C(OC)C(OC)C(OC)OC1COC YLGXILFCIXHCMC-JHGZEJCSSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000004627 regenerated cellulose Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229920002955 Art silk Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- CMDGQTVYVAKDNA-UHFFFAOYSA-N propane-1,2,3-triol;hydrate Chemical compound O.OCC(O)CO CMDGQTVYVAKDNA-UHFFFAOYSA-N 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Hematology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762638654 DE2638654C3 (de) | 1976-08-27 | 1976-08-27 | Hochsaugfähiges Faserstoffmaterial zur Verwendung in hygienischen Artikeln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1583974A true GB1583974A (en) | 1981-02-04 |
Family
ID=5986535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3605477A Expired GB1583974A (en) | 1976-08-27 | 1977-08-26 | Absorbent for aqueous physiological liquids and process for the production thereof |
Country Status (13)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT363578B (de) * | 1979-10-18 | 1981-08-10 | Chemiefaser Lenzing Ag | Mischfasern auf basis regenerierter cellulose von hoher saugfaehigkeit und hohem fluessigkeitsrueckhaltevermoegen, verfahren zu deren herstellung sowie deren verwendung |
| EP0075791B1 (de) * | 1981-09-30 | 1986-04-09 | VEB Leipziger Arzneimittelwerk | Absorbierender Wundverband und Verfahren zu seiner Herstellung |
-
1976
- 1976-08-27 DE DE19762638654 patent/DE2638654C3/de not_active Expired
-
1977
- 1977-07-11 AT AT494277A patent/AT352897B/de not_active IP Right Cessation
- 1977-07-11 GR GR53939A patent/GR66093B/el unknown
- 1977-07-19 NL NL7708032A patent/NL7708032A/xx not_active Application Discontinuation
- 1977-07-27 DK DK338077A patent/DK146265C/da not_active IP Right Cessation
- 1977-08-23 BR BR7705619A patent/BR7705619A/pt unknown
- 1977-08-23 FR FR7725716A patent/FR2362637A1/fr active Granted
- 1977-08-23 LU LU78013A patent/LU78013A1/xx unknown
- 1977-08-25 CH CH1040877A patent/CH636014A5/de not_active IP Right Cessation
- 1977-08-26 IT IT2700677A patent/IT1086064B/it active
- 1977-08-26 ES ES461894A patent/ES461894A1/es not_active Expired
- 1977-08-26 GB GB3605477A patent/GB1583974A/en not_active Expired
- 1977-08-26 BE BE180441A patent/BE858128A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE858128A (fr) | 1977-12-16 |
| DK146265C (da) | 1984-01-23 |
| DE2638654C3 (de) | 1980-10-02 |
| ES461894A1 (es) | 1978-05-16 |
| BR7705619A (pt) | 1978-05-23 |
| LU78013A1 (enrdf_load_stackoverflow) | 1978-01-11 |
| AT352897B (de) | 1979-10-10 |
| NL7708032A (nl) | 1978-03-01 |
| DE2638654B2 (de) | 1980-01-24 |
| IT1086064B (it) | 1985-05-28 |
| DE2638654A1 (de) | 1978-03-02 |
| FR2362637A1 (fr) | 1978-03-24 |
| GR66093B (enrdf_load_stackoverflow) | 1981-01-15 |
| DK146265B (da) | 1983-08-15 |
| ATA494277A (de) | 1979-03-15 |
| DK338077A (da) | 1978-02-28 |
| CH636014A5 (en) | 1983-05-13 |
| FR2362637B1 (enrdf_load_stackoverflow) | 1984-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |