NO133501B - - Google Patents
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- Publication number
- NO133501B NO133501B NO204672A NO204672A NO133501B NO 133501 B NO133501 B NO 133501B NO 204672 A NO204672 A NO 204672A NO 204672 A NO204672 A NO 204672A NO 133501 B NO133501 B NO 133501B
- Authority
- NO
- Norway
- Prior art keywords
- polymers
- water
- poly
- polymer
- crosslinked
- Prior art date
Links
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 17
- 239000000499 gel Substances 0.000 claims description 17
- 229920002472 Starch Polymers 0.000 claims description 11
- 235000019698 starch Nutrition 0.000 claims description 11
- 239000008107 starch Substances 0.000 claims description 11
- 229920003169 water-soluble polymer Polymers 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 description 34
- -1 poly(ethylene oxide) Polymers 0.000 description 33
- 239000000243 solution Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000005865 ionizing radiation Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000004132 cross linking Methods 0.000 description 9
- 229920002873 Polyethylenimine Polymers 0.000 description 6
- 229920006037 cross link polymer Polymers 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 5
- 229920001477 hydrophilic polymer Polymers 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- 229940123457 Free radical scavenger Drugs 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- RHMZKSWPMYAOAZ-UHFFFAOYSA-N diethyl peroxide Chemical compound CCOOCC RHMZKSWPMYAOAZ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 230000002175 menstrual effect Effects 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical class O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
-
- 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
-
- 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
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- 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
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/10—Crosslinking of cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/003—Crosslinking of starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2371/02—Polyalkylene oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Dispersion Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Polyethers (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Medicinal Preparation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO29173A NO133477C (forum.php) | 1971-06-11 | 1973-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15237071A | 1971-06-11 | 1971-06-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO133501B true NO133501B (forum.php) | 1976-02-02 |
| NO133501C NO133501C (forum.php) | 1976-05-12 |
Family
ID=22542641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO204672A NO133501C (forum.php) | 1971-06-11 | 1972-06-09 |
Country Status (12)
| Country | Link |
|---|---|
| JP (2) | JPS5218738B1 (forum.php) |
| AR (1) | AR192789A1 (forum.php) |
| AU (1) | AU459543B2 (forum.php) |
| BE (1) | BE784689A (forum.php) |
| BR (1) | BR7203696D0 (forum.php) |
| CA (1) | CA972707A (forum.php) |
| CH (1) | CH562275A5 (forum.php) |
| FR (1) | FR2141325A5 (forum.php) |
| GB (1) | GB1392624A (forum.php) |
| IT (1) | IT959112B (forum.php) |
| NL (1) | NL7207894A (forum.php) |
| NO (1) | NO133501C (forum.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61202408U (forum.php) * | 1985-06-11 | 1986-12-19 | ||
| ATA255988A (de) * | 1988-10-14 | 1993-05-15 | Chemie Linz Gmbh | Absorbierendes polymerisat |
| GB9720506D0 (en) * | 1997-09-27 | 1997-11-26 | Scimat Ltd | Gel materials |
-
1972
- 1972-04-19 CA CA139,982A patent/CA972707A/en not_active Expired
- 1972-06-09 FR FR7220819A patent/FR2141325A5/fr not_active Expired
- 1972-06-09 JP JP47056958A patent/JPS5218738B1/ja active Pending
- 1972-06-09 GB GB2705972A patent/GB1392624A/en not_active Expired
- 1972-06-09 NL NL7207894A patent/NL7207894A/xx not_active Application Discontinuation
- 1972-06-09 BE BE784689A patent/BE784689A/xx not_active IP Right Cessation
- 1972-06-09 AR AR24247272A patent/AR192789A1/es active
- 1972-06-09 IT IT6886372A patent/IT959112B/it active
- 1972-06-09 BR BR369672A patent/BR7203696D0/pt unknown
- 1972-06-09 CH CH863972A patent/CH562275A5/xx not_active IP Right Cessation
- 1972-06-09 NO NO204672A patent/NO133501C/no unknown
- 1972-06-09 AU AU43266/72A patent/AU459543B2/en not_active Expired
-
1976
- 1976-10-15 JP JP51123005A patent/JPS5260282A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA972707A (en) | 1975-08-12 |
| DE2228256B2 (de) | 1975-12-04 |
| AR192789A1 (es) | 1973-03-14 |
| DE2228256A1 (de) | 1972-12-28 |
| CH562275A5 (forum.php) | 1975-05-30 |
| AU459543B2 (en) | 1975-03-11 |
| GB1392624A (en) | 1975-04-30 |
| BE784689A (fr) | 1972-12-11 |
| NO133501C (forum.php) | 1976-05-12 |
| NL7207894A (forum.php) | 1972-12-13 |
| BR7203696D0 (pt) | 1973-05-31 |
| JPS5260282A (en) | 1977-05-18 |
| AU4326672A (en) | 1973-12-13 |
| FR2141325A5 (forum.php) | 1973-01-19 |
| IT959112B (it) | 1973-11-10 |
| JPS5218738B1 (forum.php) | 1977-05-24 |
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