NO763135L - - Google Patents
Info
- Publication number
- NO763135L NO763135L NO763135A NO763135A NO763135L NO 763135 L NO763135 L NO 763135L NO 763135 A NO763135 A NO 763135A NO 763135 A NO763135 A NO 763135A NO 763135 L NO763135 L NO 763135L
- Authority
- NO
- Norway
- Prior art keywords
- water
- polyhydroxymethylene
- acid
- etherification
- approx
- Prior art date
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- -1 polyhydroxymethylene Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 238000006266 etherification reaction Methods 0.000 claims description 6
- 150000003978 alpha-halocarboxylic acids Chemical class 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 3
- 239000012670 alkaline solution Substances 0.000 claims description 2
- 229940106681 chloroacetic acid Drugs 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000006467 substitution reaction Methods 0.000 description 6
- 239000008186 active pharmaceutical agent Substances 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- LVKKFNORSNCNPP-UHFFFAOYSA-N 2,2-bis(prop-2-enoylamino)acetic acid Chemical compound C=CC(=O)NC(C(=O)O)NC(=O)C=C LVKKFNORSNCNPP-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229920003086 cellulose ether Polymers 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- JXTHNDFMNIQAHM-UHFFFAOYSA-N dichloroacetic acid Chemical compound OC(=O)C(Cl)Cl JXTHNDFMNIQAHM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229960005215 dichloroacetic acid Drugs 0.000 description 1
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000003944 halohydrins Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
- C08G61/04—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/02—Alkylation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials For Medical Uses (AREA)
- Polyethers (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752541035 DE2541035A1 (de) | 1975-09-15 | 1975-09-15 | Verfahren zur herstellung von quellbaren, saugfaehigen polymeren aus polyhydroxymethylen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO763135L true NO763135L (xx) | 1977-03-16 |
Family
ID=5956493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO763135A NO763135L (xx) | 1975-09-15 | 1976-09-13 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4061692A (xx) |
| JP (1) | JPS5236178A (xx) |
| AU (1) | AU498054B2 (xx) |
| BE (1) | BE846149A (xx) |
| CH (1) | CH601367A5 (xx) |
| DE (1) | DE2541035A1 (xx) |
| DK (1) | DK413576A (xx) |
| ES (1) | ES451520A1 (xx) |
| FI (1) | FI762619A (xx) |
| FR (1) | FR2323712A1 (xx) |
| LU (1) | LU75783A1 (xx) |
| NL (1) | NL7610141A (xx) |
| NO (1) | NO763135L (xx) |
| SE (1) | SE7610128L (xx) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA667451A (en) * | 1963-07-23 | S. Newman Melvin | Vinylene carbonate and related products and processes | |
| US2918478A (en) * | 1954-06-01 | 1959-12-22 | Univ Ohio State Res Found | Vinylene carbonate and methods of preparing it |
| BE666318A (xx) * | 1964-07-07 | 1966-01-03 |
-
1975
- 1975-09-15 DE DE19752541035 patent/DE2541035A1/de active Pending
-
1976
- 1976-09-10 CH CH1156676A patent/CH601367A5/xx not_active IP Right Cessation
- 1976-09-13 SE SE7610128A patent/SE7610128L/xx unknown
- 1976-09-13 NO NO763135A patent/NO763135L/no unknown
- 1976-09-13 NL NL7610141A patent/NL7610141A/xx not_active Application Discontinuation
- 1976-09-13 FR FR7627441A patent/FR2323712A1/fr not_active Withdrawn
- 1976-09-13 US US05/722,624 patent/US4061692A/en not_active Expired - Lifetime
- 1976-09-13 BE BE170594A patent/BE846149A/xx unknown
- 1976-09-13 FI FI762619A patent/FI762619A/fi not_active Application Discontinuation
- 1976-09-13 LU LU75783A patent/LU75783A1/xx unknown
- 1976-09-14 AU AU17723/76A patent/AU498054B2/en not_active Expired
- 1976-09-14 ES ES451520A patent/ES451520A1/es not_active Expired
- 1976-09-14 DK DK413576A patent/DK413576A/da unknown
- 1976-09-16 JP JP51111289A patent/JPS5236178A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU1772376A (en) | 1978-03-23 |
| NL7610141A (nl) | 1977-03-17 |
| AU498054B2 (en) | 1979-02-01 |
| FR2323712A1 (fr) | 1977-04-08 |
| BE846149A (fr) | 1977-03-14 |
| JPS5236178A (en) | 1977-03-19 |
| SE7610128L (sv) | 1977-03-16 |
| US4061692A (en) | 1977-12-06 |
| CH601367A5 (xx) | 1978-07-14 |
| DK413576A (da) | 1977-03-16 |
| FI762619A (xx) | 1977-03-16 |
| LU75783A1 (xx) | 1978-05-12 |
| DE2541035A1 (de) | 1977-03-17 |
| ES451520A1 (es) | 1977-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10086014B2 (en) | Polymer hydrogels and methods of preparation thereof | |
| US6593468B1 (en) | Essentially fiber-free cellulose ether with improved water retention, method for the production and use thereof | |
| JP3274550B2 (ja) | 吸水材の製法 | |
| US5780616A (en) | Cationic polymer | |
| CN106866998B (zh) | 一种壳聚糖季铵盐/羧甲基纤维素超吸水凝胶及其制备方法和应用 | |
| PL194499B1 (pl) | Usieciowana, zawierająca grupy karboksylowe, superabsorbujaca pochodna polisacharydu i sposoby jej wytwarzania | |
| MXPA01006098A (es) | Polisacaridos acidos superabsorbentes. | |
| US7071327B2 (en) | Polysaccharide-based superabsorbent film | |
| Hon | Chemical modification of cellulose | |
| CZ232493A3 (en) | Fibrous polysaccharides of cationic nature | |
| NO763135L (xx) | ||
| EP0791015A1 (en) | Cationic polymer | |
| JPS5946249B2 (ja) | 不溶性エ−テル化セルロ−スグラフト共重合体の製法 | |
| JPS6194655A (ja) | 耐塩水性のすぐれた吸水材料 | |
| US20210061960A1 (en) | Polymer gels, method of preparation and uses thereof | |
| NO330515B1 (no) | Vann-absorbentsammensetning og fremgangsmate for fremstilling derav | |
| JP3446375B2 (ja) | 吸水性セルロース材料の製造方法 | |
| JPH05123573A (ja) | 高吸水性セルロース材料の製造方法 | |
| JPS6140341A (ja) | 澱粉−ポリアクリロニトリル系高吸水性物質及びその製造方法 | |
| JPH0549925A (ja) | 高吸水性セルロース材料の製造方法 | |
| US3699170A (en) | Dimethyl sulfoxide-sulfur trioxide complex | |
| AU2016219713B2 (en) | Polymer hydrogels and methods of preparation thereof | |
| JPS6143366B2 (xx) | ||
| JPS6055522B2 (ja) | 澱粉を幹ポリマ−とする高吸水性グラフト共重合体の製法 | |
| AU2013204055C1 (en) | Polymer hydrogels and methods of preparation thereof |