DE2535350A1 - Verfahren zur herstellung einer pumpfaehigen wasser-in-oel-emulsion mit hohem gehalt eines hochmolekularen anionischen polyacrylamids - Google Patents
Verfahren zur herstellung einer pumpfaehigen wasser-in-oel-emulsion mit hohem gehalt eines hochmolekularen anionischen polyacrylamidsInfo
- Publication number
- DE2535350A1 DE2535350A1 DE19752535350 DE2535350A DE2535350A1 DE 2535350 A1 DE2535350 A1 DE 2535350A1 DE 19752535350 DE19752535350 DE 19752535350 DE 2535350 A DE2535350 A DE 2535350A DE 2535350 A1 DE2535350 A1 DE 2535350A1
- Authority
- DE
- Germany
- Prior art keywords
- emulsion
- water
- polyacrylamide
- weight
- percent
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 50
- 229920002401 polyacrylamide Polymers 0.000 title claims description 50
- 239000007762 w/o emulsion Substances 0.000 title claims description 15
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000000839 emulsion Substances 0.000 claims description 58
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 28
- 125000000129 anionic group Chemical group 0.000 claims description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000003995 emulsifying agent Substances 0.000 claims description 19
- 239000008346 aqueous phase Substances 0.000 claims description 17
- 239000003513 alkali Substances 0.000 claims description 13
- 239000012071 phase Substances 0.000 claims description 12
- 229930195733 hydrocarbon Natural products 0.000 claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims description 10
- 239000004215 Carbon black (E152) Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 8
- 239000007859 condensation product Substances 0.000 claims description 8
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical group [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 claims description 6
- 235000010262 sodium metabisulphite Nutrition 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 4
- -1 alkali metal sulfite Chemical class 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 239000007764 o/w emulsion Substances 0.000 claims description 3
- 229940001584 sodium metabisulfite Drugs 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 239000003945 anionic surfactant Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000002736 nonionic surfactant Substances 0.000 claims 1
- 229920005862 polyol Polymers 0.000 claims 1
- 150000003077 polyols Chemical class 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 38
- 239000000243 solution Substances 0.000 description 35
- 239000003921 oil Substances 0.000 description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical class [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 235000011121 sodium hydroxide Nutrition 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000000499 gel Substances 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000002480 mineral oil Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 235000011118 potassium hydroxide Nutrition 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000004296 sodium metabisulphite Substances 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 3
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- 150000001408 amides Chemical group 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- ZUBIJGNKOJGGCI-UHFFFAOYSA-M potassium;prop-2-enoate Chemical group [K+].[O-]C(=O)C=C ZUBIJGNKOJGGCI-UHFFFAOYSA-M 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000001593 sorbitan monooleate Substances 0.000 description 2
- 229940035049 sorbitan monooleate Drugs 0.000 description 2
- 235000011069 sorbitan monooleate Nutrition 0.000 description 2
- 235000015096 spirit Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- FFJCNSLCJOQHKM-CLFAGFIQSA-N (z)-1-[(z)-octadec-9-enoxy]octadec-9-ene Chemical compound CCCCCCCC\C=C/CCCCCCCCOCCCCCCCC\C=C/CCCCCCCC FFJCNSLCJOQHKM-CLFAGFIQSA-N 0.000 description 1
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical group CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- FKWRAZBTUUDSDE-UHFFFAOYSA-N C(C=1C(C(=O)O)=CC=CC1)(=O)O.C(CCCCCCCCCCCCCCC)[Na] Chemical compound C(C=1C(C(=O)O)=CC=CC1)(=O)O.C(CCCCCCCCCCCCCCC)[Na] FKWRAZBTUUDSDE-UHFFFAOYSA-N 0.000 description 1
- FPJDONUJMHAPAZ-UHFFFAOYSA-N C(C=1C(C(=O)O)=CC=CC1)(=O)O.C(CCCCCCCCCCCCCCCCC)[Na] Chemical compound C(C=1C(C(=O)O)=CC=CC1)(=O)O.C(CCCCCCCCCCCCCCCCC)[Na] FPJDONUJMHAPAZ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 description 1
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 235000010263 potassium metabisulphite Nutrition 0.000 description 1
- 229920005614 potassium polyacrylate Chemical group 0.000 description 1
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 description 1
- 235000019252 potassium sulphite Nutrition 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- XUXNAKZDHHEHPC-UHFFFAOYSA-M sodium bromate Chemical compound [Na+].[O-]Br(=O)=O XUXNAKZDHHEHPC-UHFFFAOYSA-M 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
- D21H17/43—Carboxyl groups or derivatives thereof
-
- 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
- C08F120/00—Homopolymers 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
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/52—Amides or imides
- C08F120/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F120/56—Acrylamide; Methacrylamide
-
- 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
- C08F8/44—Preparation of metal salts or ammonium salts
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Polymerisation Methods In General (AREA)
- Colloid Chemistry (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49536374A | 1974-08-07 | 1974-08-07 | |
| US58012275A | 1975-05-22 | 1975-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2535350A1 true DE2535350A1 (de) | 1976-02-19 |
Family
ID=27051737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752535350 Pending DE2535350A1 (de) | 1974-08-07 | 1975-08-07 | Verfahren zur herstellung einer pumpfaehigen wasser-in-oel-emulsion mit hohem gehalt eines hochmolekularen anionischen polyacrylamids |
Country Status (10)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4151140A (en) * | 1977-11-02 | 1979-04-24 | The Dow Chemical Company | Process for hydrolyzing water-soluble carboxamide polymers |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025045B2 (ja) * | 1980-03-19 | 1985-06-15 | 製鉄化学工業株式会社 | 塩水吸収能のすぐれたアクリル酸重合体の製造方法 |
| JPS56147630A (en) * | 1980-04-15 | 1981-11-16 | Seitetsu Kagaku Co Ltd | Water absorptivity imparting method |
| DE3334277T1 (de) * | 1982-08-27 | 1985-01-24 | Marathon Oil Co., Findlay, Ohio | Vorrichtung und Verfahren zum kontinuierlichen Herstellen wäßriger Polymerlösungen |
| JPS61120802A (ja) * | 1984-11-16 | 1986-06-07 | Agency Of Ind Science & Technol | 異相分散反応方法 |
| US5286806C1 (en) * | 1993-05-14 | 2001-01-30 | Cytec Tech Corp | Methods of making and using high molecular weight acrylamide polymers |
| US5571862A (en) | 1994-11-28 | 1996-11-05 | Cytec Technology Corp. | Stabilized polyacrylamide emulsions and methods of making same |
| US5891254A (en) * | 1997-06-13 | 1999-04-06 | Cytec Technology Corporation | Method for purifying sugar solutions using polyacrylamides |
| CN105777961B (zh) * | 2016-03-02 | 2017-12-15 | 中国海洋石油总公司 | 一种反相微乳液聚合同步水解制备部分水解聚丙烯酰胺的方法 |
| JP6969629B2 (ja) | 2020-04-09 | 2021-11-24 | 栗田工業株式会社 | 鉱物原料の改質方法 |
| JP2024178756A (ja) | 2023-06-13 | 2024-12-25 | 栗田工業株式会社 | 原料の改質方法及び改質装置 |
-
1975
- 1975-06-30 AU AU82578/75A patent/AU8257875A/en not_active Expired
- 1975-07-04 FI FI751965A patent/FI751965A7/fi not_active Application Discontinuation
- 1975-07-14 ZM ZM91/95*TA patent/ZM9175A1/xx unknown
- 1975-07-15 IT IT50530/75A patent/IT1040948B/it active
- 1975-07-24 BR BR7504735*A patent/BR7504735A/pt unknown
- 1975-08-06 FR FR7524552A patent/FR2281387A1/fr active Granted
- 1975-08-06 JP JP50095097A patent/JPS5141090A/ja active Pending
- 1975-08-06 SE SE7508881A patent/SE7508881L/xx unknown
- 1975-08-07 NL NL7509424A patent/NL7509424A/xx unknown
- 1975-08-07 DE DE19752535350 patent/DE2535350A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4151140A (en) * | 1977-11-02 | 1979-04-24 | The Dow Chemical Company | Process for hydrolyzing water-soluble carboxamide polymers |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7509424A (nl) | 1976-02-10 |
| FI751965A7 (enrdf_load_stackoverflow) | 1976-02-08 |
| SE7508881L (sv) | 1976-02-09 |
| ZM9175A1 (en) | 1976-03-22 |
| JPS5141090A (enrdf_load_stackoverflow) | 1976-04-06 |
| IT1040948B (it) | 1979-12-20 |
| FR2281387A1 (fr) | 1976-03-05 |
| BR7504735A (pt) | 1976-08-03 |
| AU8257875A (en) | 1977-01-06 |
| FR2281387B3 (enrdf_load_stackoverflow) | 1978-03-24 |
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