DE2059241C2 - Verfahren zur Herstellung wasserlöslicher Homo- oder Copolymerisate des Acrylamids - Google Patents
Verfahren zur Herstellung wasserlöslicher Homo- oder Copolymerisate des AcrylamidsInfo
- Publication number
- DE2059241C2 DE2059241C2 DE19702059241 DE2059241A DE2059241C2 DE 2059241 C2 DE2059241 C2 DE 2059241C2 DE 19702059241 DE19702059241 DE 19702059241 DE 2059241 A DE2059241 A DE 2059241A DE 2059241 C2 DE2059241 C2 DE 2059241C2
- Authority
- DE
- Germany
- Prior art keywords
- solution
- water
- container
- polymerization
- acrylamide
- 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
- 238000000034 method Methods 0.000 title claims description 31
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 title claims description 28
- 229920001577 copolymer Polymers 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000243 solution Substances 0.000 claims description 59
- 238000006116 polymerization reaction Methods 0.000 claims description 38
- 229920000642 polymer Polymers 0.000 claims description 31
- 239000000178 monomer Substances 0.000 claims description 30
- 239000007864 aqueous solution Substances 0.000 claims description 23
- 238000011049 filling Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000003054 catalyst Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 229920002554 vinyl polymer Polymers 0.000 claims description 4
- PNLUGRYDUHRLOF-UHFFFAOYSA-N n-ethenyl-n-methylacetamide Chemical compound C=CN(C)C(C)=O PNLUGRYDUHRLOF-UHFFFAOYSA-N 0.000 claims description 3
- 238000007127 saponification reaction Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 claims description 3
- 229920003176 water-insoluble polymer Polymers 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 150000004657 carbamic acid derivatives Chemical class 0.000 claims description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 2
- 229920001567 vinyl ester resin Polymers 0.000 claims description 2
- JHPBZFOKBAGZBL-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylprop-2-enoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)=C JHPBZFOKBAGZBL-UHFFFAOYSA-N 0.000 claims 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 16
- -1 sulfinates Chemical class 0.000 description 11
- 235000015110 jellies Nutrition 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 8
- 239000000499 gel Substances 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 7
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 7
- 239000008274 jelly Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- FVRDYQYEVDDKCR-DBRKOABJSA-N tiazofurine Chemical compound NC(=O)C1=CSC([C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)=N1 FVRDYQYEVDDKCR-DBRKOABJSA-N 0.000 description 5
- 235000019395 ammonium persulphate Nutrition 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 229920003169 water-soluble polymer Polymers 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 125000003106 haloaryl group Chemical group 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 150000004702 methyl esters Chemical class 0.000 description 3
- ODYNBECIRXXOGG-UHFFFAOYSA-N n-butylbutan-1-amine;hydron;chloride Chemical compound [Cl-].CCCC[NH2+]CCCC ODYNBECIRXXOGG-UHFFFAOYSA-N 0.000 description 3
- 125000004999 nitroaryl group Chemical group 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000012815 thermoplastic material Substances 0.000 description 3
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000530268 Lycaena heteronea Species 0.000 description 1
- 240000000220 Panda oleosa Species 0.000 description 1
- 235000016496 Panda oleosa Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 240000003085 Quassia amara Species 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Chemical class [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 description 1
- KTUQUZJOVNIKNZ-UHFFFAOYSA-N butan-1-ol;hydrate Chemical compound O.CCCCO KTUQUZJOVNIKNZ-UHFFFAOYSA-N 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- ZKXWKVVCCTZOLD-UHFFFAOYSA-N copper;4-hydroxypent-3-en-2-one Chemical compound [Cu].CC(O)=CC(C)=O.CC(O)=CC(C)=O ZKXWKVVCCTZOLD-UHFFFAOYSA-N 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- JCRDPEHHTDKTGB-UHFFFAOYSA-N dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride Chemical compound Cl.CN(C)CCOC(=O)C(C)=C JCRDPEHHTDKTGB-UHFFFAOYSA-N 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- AYOOGWWGECJQPI-NSHDSACASA-N n-[(1s)-1-(5-fluoropyrimidin-2-yl)ethyl]-3-(3-propan-2-yloxy-1h-pyrazol-5-yl)imidazo[4,5-b]pyridin-5-amine Chemical compound N1C(OC(C)C)=CC(N2C3=NC(N[C@@H](C)C=4N=CC(F)=CN=4)=CC=C3N=C2)=N1 AYOOGWWGECJQPI-NSHDSACASA-N 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 238000012673 precipitation polymerization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009988 textile finishing Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
- C08F2/10—Aqueous solvent
-
- 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
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/52—Amides or imides
- C08F20/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F20/56—Acrylamide; Methacrylamide
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerization Catalysts (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702059241 DE2059241C2 (de) | 1970-12-02 | 1970-12-02 | Verfahren zur Herstellung wasserlöslicher Homo- oder Copolymerisate des Acrylamids |
| NL7116050A NL171990C (nl) | 1970-12-02 | 1971-11-22 | Werkwijze voor de bereiding van in water oplosbare homo- of copolymeren van acrylamide in gelvorm, alsmede daarmee gevulde houder. |
| SE7115316A SE7115316L (enExample) | 1970-12-02 | 1971-11-30 | |
| FR7143059A FR2117215A5 (enExample) | 1970-12-02 | 1971-12-01 | |
| AT1033071A AT322843B (de) | 1970-12-02 | 1971-12-01 | Verfahren zur herstellung wasserlöslicher polymerisate |
| GB5574571A GB1375979A (en) | 1970-12-02 | 1971-12-01 | Process for the production of water-soluble polymers |
| IT3198471A IT941978B (it) | 1970-12-02 | 1971-12-02 | Procedimento per la fabbricazione di polimeri solubili in acqua |
| BE776176A BE776176A (fr) | 1970-12-02 | 1971-12-02 | Preparation de polymeres hydrosolubles |
| CH1755671A CH575966A5 (enExample) | 1970-12-02 | 1971-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702059241 DE2059241C2 (de) | 1970-12-02 | 1970-12-02 | Verfahren zur Herstellung wasserlöslicher Homo- oder Copolymerisate des Acrylamids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2059241A1 DE2059241A1 (de) | 1972-06-22 |
| DE2059241C2 true DE2059241C2 (de) | 1982-12-23 |
Family
ID=5789735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702059241 Expired DE2059241C2 (de) | 1970-12-02 | 1970-12-02 | Verfahren zur Herstellung wasserlöslicher Homo- oder Copolymerisate des Acrylamids |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT322843B (enExample) |
| BE (1) | BE776176A (enExample) |
| CH (1) | CH575966A5 (enExample) |
| DE (1) | DE2059241C2 (enExample) |
| FR (1) | FR2117215A5 (enExample) |
| GB (1) | GB1375979A (enExample) |
| IT (1) | IT941978B (enExample) |
| NL (1) | NL171990C (enExample) |
| SE (1) | SE7115316L (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1226699A (en) * | 1984-01-13 | 1987-09-08 | Akira Yada | Process for preparing sticky polymers |
| CA1246789A (en) * | 1984-01-13 | 1988-12-13 | Akira Yada | Process for preparing water-soluble polymers |
| US4981936A (en) * | 1989-04-14 | 1991-01-01 | Polypure, Inc. | Terpolymer of oxyalkyene acrylates, acrylamides and quaternary monomers |
| US5185409A (en) * | 1991-08-16 | 1993-02-09 | Diatec Environmental | Process for preparing water soluble polymer gels |
| WO2019081004A1 (en) | 2017-10-25 | 2019-05-02 | Basf Se | PROCESS FOR PRODUCING AQUEOUS POLYACRYLAMIDE SOLUTIONS |
| CA3076685A1 (en) | 2017-10-25 | 2019-05-02 | Basf Se | Process for producing aqueous polyacrylamide solutions |
| WO2019081321A1 (en) | 2017-10-25 | 2019-05-02 | Basf Se | PROCESS FOR PRODUCING AQUEOUS POLYACRYLAMIDE SOLUTIONS |
| AU2018354771B2 (en) | 2017-10-25 | 2023-12-21 | Basf Se | Process for producing aqueous polyacrylamide solutions |
| CA3076545A1 (en) | 2017-10-25 | 2019-05-02 | Basf Se | Process for producing aqueous polyacrylamide solutions |
| WO2019081003A1 (en) | 2017-10-25 | 2019-05-02 | Basf Se | PROCESS FOR PRODUCING AQUEOUS POLYACRYLAMIDE SOLUTIONS |
| WO2019081330A1 (en) | 2017-10-25 | 2019-05-02 | Basf Se | PROCESS FOR PRODUCING AQUEOUS POLYACRYLAMIDE SOLUTIONS |
| WO2020079124A1 (en) | 2018-10-18 | 2020-04-23 | Basf Se | Process for producing aqueous polyacrylamide compositions |
| WO2020079119A1 (en) | 2018-10-18 | 2020-04-23 | Basf Se | Method of providing aqueous polyacrylamide concentrates |
| US11643491B2 (en) | 2018-10-18 | 2023-05-09 | Basf Se | Process for producing an aqueous polyacrylamide concentrate |
-
1970
- 1970-12-02 DE DE19702059241 patent/DE2059241C2/de not_active Expired
-
1971
- 1971-11-22 NL NL7116050A patent/NL171990C/xx not_active IP Right Cessation
- 1971-11-30 SE SE7115316A patent/SE7115316L/sv unknown
- 1971-12-01 GB GB5574571A patent/GB1375979A/en not_active Expired
- 1971-12-01 FR FR7143059A patent/FR2117215A5/fr not_active Expired
- 1971-12-01 AT AT1033071A patent/AT322843B/de not_active IP Right Cessation
- 1971-12-02 CH CH1755671A patent/CH575966A5/xx not_active IP Right Cessation
- 1971-12-02 BE BE776176A patent/BE776176A/xx not_active IP Right Cessation
- 1971-12-02 IT IT3198471A patent/IT941978B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| NL171990C (nl) | 1983-06-16 |
| NL7116050A (enExample) | 1972-06-06 |
| BE776176A (fr) | 1972-06-02 |
| SE7115316L (enExample) | 1972-06-05 |
| AT322843B (de) | 1975-06-10 |
| FR2117215A5 (enExample) | 1972-07-21 |
| NL171990B (nl) | 1983-01-17 |
| CH575966A5 (enExample) | 1976-05-31 |
| IT941978B (it) | 1973-03-10 |
| DE2059241A1 (de) | 1972-06-22 |
| GB1375979A (en) | 1974-12-04 |
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