FI65269B - Foerfarande foer framstaellning av vattenloesliga polymerer oc deras anvaendning som flockningsmedel - Google Patents
Foerfarande foer framstaellning av vattenloesliga polymerer oc deras anvaendning som flockningsmedel Download PDFInfo
- Publication number
- FI65269B FI65269B FI791815A FI791815A FI65269B FI 65269 B FI65269 B FI 65269B FI 791815 A FI791815 A FI 791815A FI 791815 A FI791815 A FI 791815A FI 65269 B FI65269 B FI 65269B
- Authority
- FI
- Finland
- Prior art keywords
- monomers
- monomer
- solution
- acid
- process according
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 19
- 239000000178 monomer Substances 0.000 claims description 53
- 239000000243 solution Substances 0.000 claims description 27
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- -1 aminoalkyl methacrylate Chemical compound 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 229920003169 water-soluble polymer Polymers 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N Gluconic acid Natural products OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 2
- 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 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 125000004103 aminoalkyl group Chemical group 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000000174 gluconic acid Substances 0.000 claims description 2
- 235000012208 gluconic acid Nutrition 0.000 claims description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 150000003333 secondary alcohols Chemical group 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000003505 polymerization initiator Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000012535 impurity Substances 0.000 description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 9
- 239000008394 flocculating agent Substances 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 5
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical class CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000001627 detrimental effect Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000000176 sodium gluconate Substances 0.000 description 4
- 229940005574 sodium gluconate Drugs 0.000 description 4
- 235000012207 sodium gluconate Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 244000028419 Styrax benzoin Species 0.000 description 3
- 235000000126 Styrax benzoin Nutrition 0.000 description 3
- 235000008411 Sumatra benzointree Nutrition 0.000 description 3
- 229960002130 benzoin Drugs 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000019382 gum benzoic Nutrition 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000546 pharmaceutical excipient Substances 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- ZCIBQBYQTHJFFP-UHFFFAOYSA-N C(CC)(=O)O.[S] Chemical compound C(CC)(=O)O.[S] ZCIBQBYQTHJFFP-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical group [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 description 1
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- BELBBZDIHDAJOR-UHFFFAOYSA-N Phenolsulfonephthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2S(=O)(=O)O1 BELBBZDIHDAJOR-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical group [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- JXSVGTPMFNKSIC-UHFFFAOYSA-L [Cl-].CC[N+](C)(C)C.CC[N+](C)(C)C.CC(=C)C([O-])=O Chemical compound [Cl-].CC[N+](C)(C)C.CC[N+](C)(C)C.CC(=C)C([O-])=O JXSVGTPMFNKSIC-UHFFFAOYSA-L 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- WURBFLDFSFBTLW-UHFFFAOYSA-N benzil Chemical group C=1C=CC=CC=1C(=O)C(=O)C1=CC=CC=C1 WURBFLDFSFBTLW-UHFFFAOYSA-N 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 125000004985 dialkyl amino alkyl group Chemical group 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229940050410 gluconate Drugs 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 1
- 229960003531 phenolsulfonphthalein Drugs 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 210000005070 sphincter Anatomy 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000009736 wetting Methods 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
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
- C08F2/50—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Claims (8)
1. Förfarande för framställning av vattenlösliga polymerer genom att med en besträlning, vars väglängd är 150-500 nm (företrädesvis 300-450 nm), besträla ett tunnt skikt, som kontinuerligt avlagras pä ett rörligt underlag och som bestär av en vattenlösning av en eller flera olefiniskt omättade monomerer innehällande en polymerisationsinitiator, vilken monomer är akrylamid, metakrylamid, akryl- eller metakrylsyra eller ett sait eller en ester därav, en kvaterniserad aminoalkyl-metakrylat eller -akrylat med 4-16 kolatomer i den kvaterniserade aminoalkyldelen, kännetecknat av att vattenlösningen av mono-meren eller monomererna ytterligare innehäller en polyhydroxyl-förening med minst 2 sekundära alkoholfunktioner och därtill 1 eller 2 karboxylgrupper (i syra- eller saltform).
2. Förfarande enligt patentkravet 1, kännetecknat av att polyhydroxylföreningen med 1 eller 2 karboxylgrupper är ett -osderivat innehällande företrädesvis 5 eller 6 kolatomer.
3. Förfarande enligt patentkravet 1, känneteck -n a t av att polyhydroxylföreningen är glukonsyra eller dess natrium-, kalium- eller ammoniumsalt.
4. Förfarande enligt nägot av patentkraven 1-3, kännetecknat av att den relativa mängden av polyhydroxyl-tillsatsmedlet med 1 eller 2 karboxylgrupper, räknat pä den totala mängden använda monomerer, är mellan 0,1 och 20 %, företrädesvis mellan 0,5 och 10 %.
5. Förfarande enligt nägot av patentkraven 1-4, kännetecknat av att tjockleken av det tunna skiktet, som utgöres av vattenlösningen av monomeren eller monomererna, är mellan 2 och 20 mm, företrädesvis mellan 3 och 8 mm, och att denna lösnings fotoinitiatorkoncentration är mellan 0,005 och 1 vikt-% räknat pä monomeren eller monomererna, företrädesvis mellan 0,01 och 0,5 %, och att det rörliga i
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7817858A FR2428054A1 (fr) | 1978-06-09 | 1978-06-09 | Procede de photopolymerisation pour polymeres floculants |
FR7817858 | 1978-06-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI791815A FI791815A (fi) | 1979-12-10 |
FI65269B true FI65269B (fi) | 1983-12-30 |
FI65269C FI65269C (fi) | 1984-04-10 |
Family
ID=9209529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI791815A FI65269C (fi) | 1978-06-09 | 1979-06-06 | Foerfarande foer framstaellning av vattenloesliga polymerer oc deras anvaendning som flockningsmedel |
Country Status (15)
Country | Link |
---|---|
US (1) | US4308148A (sv) |
EP (1) | EP0006370B1 (sv) |
JP (1) | JPS6014762B2 (sv) |
AT (1) | AT369389B (sv) |
AU (1) | AU525180B2 (sv) |
BR (1) | BR7903568A (sv) |
CA (1) | CA1123374A (sv) |
DE (1) | DE2962876D1 (sv) |
DK (1) | DK156136C (sv) |
ES (1) | ES481386A1 (sv) |
FI (1) | FI65269C (sv) |
FR (1) | FR2428054A1 (sv) |
HU (1) | HU181490B (sv) |
NO (1) | NO153734B (sv) |
RO (1) | RO78266A (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56147803A (en) * | 1980-03-24 | 1981-11-17 | Calgon Corp | Continuous polymerization |
FR2489336B1 (fr) * | 1980-09-04 | 1985-09-13 | Rhone Poulenc Spec Chim | Procede de preparation de polymeres ou copolymeres hydrosolubles a poids moleculaire eleve et a faible teneur en monomere(s) residuel(s), a partir de monomeres olefiniquement insatures |
CA1268732C (en) * | 1984-12-27 | 1990-05-08 | POLYMERIZATION BY RADIATION AND OBTAINING PARTICLES BY CASTING A LAYER OF WATER-SOLUBLE VINYL MONOMER | |
JPS6220501A (ja) * | 1985-07-19 | 1987-01-29 | Mitsubishi Rayon Co Ltd | 水溶性もしくは水膨潤性重合体の製造方法 |
JPS62235305A (ja) * | 1986-04-04 | 1987-10-15 | Dai Ichi Kogyo Seiyaku Co Ltd | 高分子量アクリル系重合体の製法 |
JPH0364067U (sv) * | 1989-10-23 | 1991-06-21 | ||
US6262141B1 (en) | 1999-10-06 | 2001-07-17 | Cytec Technology Corporation | Process for the preparation of polymers having low residual monomer content |
WO2018231960A1 (en) | 2017-06-13 | 2018-12-20 | Veterinary Diagnostics Institute, Inc. | System and procedure for stabilizing, storing and recovering blood samples |
CN114605576A (zh) * | 2022-03-22 | 2022-06-10 | 爱森(中国)絮凝剂有限公司 | 一种钻井液用聚丙烯酰胺钾盐的制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3640826A (en) * | 1968-09-04 | 1972-02-08 | Int Minerals & Chem Corp | Graft copolymers of acrylic acid and polyhydroxy polymeric compounds for treating clays |
US3635857A (en) * | 1969-12-12 | 1972-01-18 | Atlas Chem Ind | Graft copolymers of starch |
DE2009748A1 (de) * | 1970-03-03 | 1971-09-16 | Basf Ag | Verfahren zur Herstellung von wasser löslichen Polymerisaten |
US3872063A (en) * | 1972-08-29 | 1975-03-18 | American Cyanamid Co | Polymerization process |
US3919140A (en) * | 1972-08-31 | 1975-11-11 | Sumitomo Chemical Co | Process for producing acrylamide polymers in an acetone-water solvent system |
US4024040A (en) * | 1974-02-26 | 1977-05-17 | Hercules Incorporated | Polymerization of unsaturated monomers with radiation in the presence of salts |
DE2545290A1 (de) * | 1975-10-09 | 1977-04-21 | Roehm Gmbh | Verfahren zum polymerisieren mittels uv-licht |
FR2348227A1 (fr) * | 1976-04-14 | 1977-11-10 | Rhone Poulenc Ind | Perfectionnement aux procedes de preparation de polymeres acryliques hydrosolubles par photopolymerisation |
-
1978
- 1978-06-09 FR FR7817858A patent/FR2428054A1/fr active Granted
-
1979
- 1979-05-18 DE DE7979400314T patent/DE2962876D1/de not_active Expired
- 1979-05-18 EP EP79400314A patent/EP0006370B1/fr not_active Expired
- 1979-06-06 BR BR7903568A patent/BR7903568A/pt not_active IP Right Cessation
- 1979-06-06 FI FI791815A patent/FI65269C/fi not_active IP Right Cessation
- 1979-06-06 HU HU79RO1023A patent/HU181490B/hu unknown
- 1979-06-07 US US06/046,488 patent/US4308148A/en not_active Expired - Lifetime
- 1979-06-07 AU AU47844/79A patent/AU525180B2/en not_active Ceased
- 1979-06-07 NO NO791907A patent/NO153734B/no unknown
- 1979-06-08 ES ES481386A patent/ES481386A1/es not_active Expired
- 1979-06-08 JP JP54071333A patent/JPS6014762B2/ja not_active Expired
- 1979-06-08 DK DK239379A patent/DK156136C/da not_active IP Right Cessation
- 1979-06-08 CA CA329,385A patent/CA1123374A/fr not_active Expired
- 1979-06-08 AT AT0413979A patent/AT369389B/de not_active IP Right Cessation
- 1979-06-09 RO RO7997782A patent/RO78266A/ro unknown
Also Published As
Publication number | Publication date |
---|---|
DK156136B (da) | 1989-06-26 |
FR2428054B1 (sv) | 1981-12-04 |
FI791815A (fi) | 1979-12-10 |
FI65269C (fi) | 1984-04-10 |
AU525180B2 (en) | 1982-10-21 |
EP0006370A1 (fr) | 1980-01-09 |
AU4784479A (en) | 1979-12-13 |
ATA413979A (de) | 1982-05-15 |
JPS6014762B2 (ja) | 1985-04-16 |
DK156136C (da) | 1989-11-06 |
JPS5527382A (en) | 1980-02-27 |
EP0006370B1 (fr) | 1982-05-19 |
AT369389B (de) | 1982-12-27 |
DK239379A (da) | 1979-12-10 |
DE2962876D1 (en) | 1982-07-08 |
BR7903568A (pt) | 1980-01-22 |
FR2428054A1 (fr) | 1980-01-04 |
HU181490B (en) | 1983-07-28 |
RO78266A (ro) | 1982-04-12 |
NO791907L (no) | 1979-12-11 |
ES481386A1 (es) | 1979-11-16 |
US4308148A (en) | 1981-12-29 |
NO153734B (no) | 1986-02-03 |
CA1123374A (fr) | 1982-05-11 |
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