FR2328002A1 - Adjuvant pour ameliorer la retention de solides, l'elimination de l'eau et la preparation de suspensions, son procede d'obtention et son application - Google Patents
Adjuvant pour ameliorer la retention de solides, l'elimination de l'eau et la preparation de suspensions, son procede d'obtention et son applicationInfo
- Publication number
- FR2328002A1 FR2328002A1 FR7629912A FR7629912A FR2328002A1 FR 2328002 A1 FR2328002 A1 FR 2328002A1 FR 7629912 A FR7629912 A FR 7629912A FR 7629912 A FR7629912 A FR 7629912A FR 2328002 A1 FR2328002 A1 FR 2328002A1
- Authority
- FR
- France
- Prior art keywords
- suspensions
- elimination
- solids
- retention
- improving
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/12—Purification of sugar juices using adsorption agents, e.g. active carbon
- C13B20/126—Organic agents, e.g. polyelectrolytes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- 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
-
- 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
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
- D21H17/45—Nitrogen-containing groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Electrochemistry (AREA)
- Biochemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752545007 DE2545007B2 (de) | 1975-10-08 | 1975-10-08 | Lineares, hochmolekulares acrylamid-homopolymerisat und seine verwendung als hilfsmittel zur verbesserung der retention, entwaesserung und aufbereitung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2328002A1 true FR2328002A1 (fr) | 1977-05-13 |
FR2328002B1 FR2328002B1 (fr) | 1981-01-09 |
Family
ID=5958602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7629912A Granted FR2328002A1 (fr) | 1975-10-08 | 1976-10-05 | Adjuvant pour ameliorer la retention de solides, l'elimination de l'eau et la preparation de suspensions, son procede d'obtention et son application |
Country Status (6)
Country | Link |
---|---|
US (1) | US4103080A (fr) |
BE (1) | BE847076A (fr) |
DE (1) | DE2545007B2 (fr) |
FR (1) | FR2328002A1 (fr) |
GB (1) | GB1550143A (fr) |
NL (1) | NL7611178A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS608689B2 (ja) * | 1979-08-21 | 1985-03-05 | 日東化学工業株式会社 | アクリルアミド系重合体の製造法 |
US4473689A (en) * | 1979-12-26 | 1984-09-25 | Basf Wyandotte Corporation | Process for the aqueous polymerization of acrylamide |
US4282340A (en) * | 1980-01-11 | 1981-08-04 | Basf Wyandotte Corporation | Polymerization process for preparation of acrylamide homopolymers with redox catalyst |
US4433727A (en) * | 1981-06-19 | 1984-02-28 | Marathon Oil Company | Oil recovery process |
GB8531558D0 (en) * | 1985-12-21 | 1986-02-05 | Wiggins Teape Group Ltd | Loaded paper |
US5478879A (en) * | 1991-01-22 | 1995-12-26 | Nippon Shokubai Co., Ltd. | Method for production of absorbent resin |
DE4141485A1 (de) * | 1991-12-16 | 1993-06-17 | Allied Colloids Gmbh | Verfahren zur aufbereitung und/oder entsorgung von bohrspuelungen |
JPH08269890A (ja) * | 1995-03-30 | 1996-10-15 | Nippon P M C Kk | 製紙用添加剤及び製紙方法 |
US8206553B2 (en) | 2005-06-24 | 2012-06-26 | Hercules Incorporated | Retention and drainage in the manufacture of paper |
US20060289136A1 (en) * | 2005-06-24 | 2006-12-28 | Doherty Erin A S | Retention and drainage in the manufacture of paper |
US8816031B2 (en) * | 2006-03-06 | 2014-08-26 | Harima Chemicals, Inc. | Water-soluble polymer and additive for paper manufacture |
CN102731699B (zh) * | 2011-04-01 | 2014-08-06 | 中国石油化工股份有限公司 | 一种超高分子量阴离子型聚丙烯酰胺的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1237969A (fr) * | 1958-08-18 | 1960-11-28 | American Cyanamid Co | Nouveau procédé pour la préparation des polyacrylamides |
FR2043202A5 (fr) * | 1969-05-09 | 1971-02-12 | Nalco Chemical Co |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US357326A (en) * | 1887-02-08 | Chael-es w | ||
US298371A (en) * | 1884-05-13 | geavee | ||
DE920876C (de) * | 1942-10-05 | 1954-12-02 | Cassella Farbwerke Mainkur Ag | Verfahren zur Herstellung von wasserloeslichen Polyacrylsaeureamiden |
DE1645066B2 (de) * | 1951-01-28 | 1973-08-23 | Verfahren zur herstellung von hochmolekularen, wasserloeslichen polyacrylamiden | |
US2983717A (en) * | 1957-07-25 | 1961-05-09 | American Cyanamid Co | Polymerization process for watersoluble polymers |
NL242509A (fr) * | 1958-08-22 | |||
US3242152A (en) * | 1961-02-28 | 1966-03-22 | Kerr Mc Gee Oil Ind Inc | Polymerization of purified acrylamide monomer, the resulting polyacrylamide, and process for flocculating suspended solids therewith |
US3332922A (en) * | 1963-05-13 | 1967-07-25 | Calgon Corp | Acrylamide polymers prepared in the presence of a redox catalyst system wherein a constant free-radical concentration is maintained |
US3336269A (en) * | 1964-04-07 | 1967-08-15 | Hercules Inc | Preparation of acrylamide-type water-soluble polymers |
DE1645065B2 (de) * | 1966-02-22 | 1973-11-29 | Nautschno-Issledowatelskij Fisikochimitschesky Institut Imeni S.J. Karpowa, Moskau | Verfahren zur Herstellung von hoch molekularen, wasserlöslichen Polyacrylami den |
DE1795705C3 (de) * | 1966-02-22 | 1979-01-04 | Nautschno-Issledovatelskij Fiziko Chimitschesky Institut Imeni L.J. Karpova, Mos | Verfahren zur Herstellung von hochmolekularen wasserlöslichen PoIyacrylainiden |
DE1959452A1 (de) * | 1968-11-26 | 1970-07-23 | Ici Ltd | Polymerisationsverfahren |
US3663518A (en) * | 1968-11-29 | 1972-05-16 | Nalco Chemical Co | Process for preparing acrylamide polymers |
DE2039402B2 (de) * | 1969-08-11 | 1973-11-15 | Nitto Chemical Industry Co. Ltd., Tokio | Verfahren zur Herstellung von Papier |
US3899471A (en) * | 1971-10-21 | 1975-08-12 | Gaf Corp | Dialkylaminoethyl vinyl ether interpolymers |
GB1467952A (en) * | 1973-05-12 | 1977-03-23 | Nitto Chemical Industry Co Ltd | Process for producing partially hydrolyzed polyacrylamide |
JPS5246276B2 (fr) * | 1974-01-16 | 1977-11-22 |
-
1975
- 1975-10-08 DE DE19752545007 patent/DE2545007B2/de not_active Ceased
-
1976
- 1976-10-04 US US05/729,852 patent/US4103080A/en not_active Expired - Lifetime
- 1976-10-05 FR FR7629912A patent/FR2328002A1/fr active Granted
- 1976-10-06 GB GB41495/76A patent/GB1550143A/en not_active Expired
- 1976-10-08 NL NL7611178A patent/NL7611178A/xx not_active Application Discontinuation
- 1976-10-08 BE BE171339A patent/BE847076A/fr not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1237969A (fr) * | 1958-08-18 | 1960-11-28 | American Cyanamid Co | Nouveau procédé pour la préparation des polyacrylamides |
FR2043202A5 (fr) * | 1969-05-09 | 1971-02-12 | Nalco Chemical Co |
Also Published As
Publication number | Publication date |
---|---|
US4103080A (en) | 1978-07-25 |
DE2545007A1 (de) | 1977-04-14 |
DE2545007B2 (de) | 1977-08-11 |
GB1550143A (en) | 1979-08-08 |
BE847076A (fr) | 1977-04-08 |
NL7611178A (nl) | 1977-04-13 |
FR2328002B1 (fr) | 1981-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |