IT1139422B - Processo per produrre flocculante polimerico cationico di tipo acrilamidico - Google Patents
Processo per produrre flocculante polimerico cationico di tipo acrilamidicoInfo
- Publication number
- IT1139422B IT1139422B IT23767/81A IT2376781A IT1139422B IT 1139422 B IT1139422 B IT 1139422B IT 23767/81 A IT23767/81 A IT 23767/81A IT 2376781 A IT2376781 A IT 2376781A IT 1139422 B IT1139422 B IT 1139422B
- Authority
- IT
- Italy
- Prior art keywords
- cationic polymer
- polymer flocculant
- acrylamide type
- produce action
- action
- Prior art date
Links
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
- 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
-
- 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
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55121743A JPS5747309A (en) | 1980-09-04 | 1980-09-04 | Preparation of acrylamide cationic high polymeric coagulant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8123767A0 IT8123767A0 (it) | 1981-09-03 |
| IT1139422B true IT1139422B (it) | 1986-09-24 |
Family
ID=14818774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT23767/81A IT1139422B (it) | 1980-09-04 | 1981-09-03 | Processo per produrre flocculante polimerico cationico di tipo acrilamidico |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5747309A (ko) |
| KR (1) | KR860001550B1 (ko) |
| AT (1) | AT370747B (ko) |
| AU (1) | AU543111B2 (ko) |
| CA (1) | CA1223700A (ko) |
| DD (1) | DD202036A5 (ko) |
| DE (1) | DE3135149A1 (ko) |
| ES (1) | ES504916A0 (ko) |
| FI (1) | FI70032C (ko) |
| FR (1) | FR2489338B1 (ko) |
| GB (1) | GB2083053B (ko) |
| IT (1) | IT1139422B (ko) |
| NL (1) | NL186165C (ko) |
| RO (1) | RO83586B (ko) |
| ZA (1) | ZA815194B (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3801736A1 (de) * | 1988-01-21 | 1989-07-27 | Nitrokemia Ipartelepek | Verfahren zur herstellung von acrylsaeureamid/acrylsaeure-copolymeren mit hohem molekulargewicht |
| MX18620A (es) * | 1988-12-19 | 1993-10-01 | American Cyanamid Co | Floculante polimerico de alto desempeño, proceso para su preparacion, metodo para la liberacion de agua de un dispersion de solidos suspendidos y metodo de floculacion de una dispersion de solidos suspendidos |
| JPH03119011A (ja) * | 1989-10-03 | 1991-05-21 | Mitsui Toatsu Chem Inc | カチオン性高分子量重合体の製造方法 |
| KR100318327B1 (ko) * | 1995-12-16 | 2002-04-22 | 구광시 | 에멀젼형 고분자응집제의 제조방법 |
| DE10041392A1 (de) * | 2000-08-23 | 2002-03-07 | Stockhausen Chem Fab Gmbh | Wasserlösliche Homo- und Copolymere mit verbesserter Umweltverträglichkeit |
| JP3996535B2 (ja) * | 2003-03-20 | 2007-10-24 | Ｎｅｃ液晶テクノロジー株式会社 | 液晶表示装置 |
| DE102004032766A1 (de) * | 2004-07-06 | 2006-02-09 | Röhm GmbH & Co. KG | Konzentrierte wässrige Methacrylamidlösung unter Zugabe von Methacrylsäure |
| CN116023587B (zh) * | 2022-10-31 | 2024-05-07 | 中国矿业大学(北京) | 一种铁基杂化絮凝剂及其制备方法与应用 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3130229A (en) * | 1961-02-06 | 1964-04-21 | Dow Chemical Co | Method for the manufacture of acrylamide |
| AU407356B2 (en) * | 1965-12-31 | 1970-10-22 | Process for the preparation of aqueous solutions of flocculating agents of the poly-acrylic amide type having high molecular weight | |
| DE2255391C3 (de) * | 1972-11-11 | 1982-05-13 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung hochmolekularer kationischer Copolymerisate |
| JPS5082011A (ko) * | 1973-11-22 | 1975-07-03 | ||
| JPS5083323A (ko) * | 1973-11-29 | 1975-07-05 | ||
| JPS5291819A (en) * | 1976-01-28 | 1977-08-02 | Mitsui Toatsu Chem Inc | Purification of aqueous solutions of acrylamide |
| GB2059952B (en) * | 1979-09-13 | 1983-07-20 | Mitsui Toatsu Chemicals | Purifying aqueous acrylamide solutions |
-
1980
- 1980-09-04 JP JP55121743A patent/JPS5747309A/ja active Granted
-
1981
- 1981-07-28 ZA ZA815194A patent/ZA815194B/xx unknown
- 1981-07-28 AU AU73501/81A patent/AU543111B2/en not_active Ceased
- 1981-08-12 FI FI812485A patent/FI70032C/fi not_active IP Right Cessation
- 1981-08-24 NL NLAANVRAGE8103925,A patent/NL186165C/xx not_active IP Right Cessation
- 1981-08-24 ES ES504916A patent/ES504916A0/es active Granted
- 1981-08-25 CA CA000384593A patent/CA1223700A/en not_active Expired
- 1981-09-02 DD DD81232976A patent/DD202036A5/de not_active IP Right Cessation
- 1981-09-03 GB GB8126731A patent/GB2083053B/en not_active Expired
- 1981-09-03 AT AT0381681A patent/AT370747B/de not_active IP Right Cessation
- 1981-09-03 IT IT23767/81A patent/IT1139422B/it active
- 1981-09-04 KR KR1019810003294A patent/KR860001550B1/ko not_active IP Right Cessation
- 1981-09-04 FR FR8116859A patent/FR2489338B1/fr not_active Expired
- 1981-09-04 DE DE19813135149 patent/DE3135149A1/de active Granted
- 1981-09-04 RO RO105236A patent/RO83586B/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2083053B (en) | 1984-09-12 |
| DD202036A5 (de) | 1983-08-24 |
| AU543111B2 (en) | 1985-04-04 |
| GB2083053A (en) | 1982-03-17 |
| NL186165B (nl) | 1990-05-01 |
| AT370747B (de) | 1983-04-25 |
| KR860001550B1 (ko) | 1986-10-04 |
| JPH0260682B2 (ko) | 1990-12-18 |
| DE3135149C2 (ko) | 1991-05-08 |
| FI70032C (fi) | 1986-09-12 |
| NL8103925A (nl) | 1982-04-01 |
| IT8123767A0 (it) | 1981-09-03 |
| FI70032B (fi) | 1986-01-31 |
| FI812485L (fi) | 1982-03-05 |
| NL186165C (nl) | 1990-10-01 |
| FR2489338B1 (fr) | 1987-04-30 |
| FR2489338A1 (fr) | 1982-03-05 |
| RO83586A (ro) | 1984-04-02 |
| KR830007738A (ko) | 1983-11-07 |
| CA1223700A (en) | 1987-06-30 |
| AU7350181A (en) | 1982-09-23 |
| ZA815194B (en) | 1982-07-28 |
| ES8300344A1 (es) | 1982-11-01 |
| ES504916A0 (es) | 1982-11-01 |
| RO83586B (ro) | 1984-04-30 |
| JPS5747309A (en) | 1982-03-18 |
| ATA381681A (de) | 1982-09-15 |
| DE3135149A1 (de) | 1982-04-08 |
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