GB2131819B - Process for the preparation of polymethacrylamide and copolymers thereof - Google Patents
Process for the preparation of polymethacrylamide and copolymers thereofInfo
- Publication number
- GB2131819B GB2131819B GB08333601A GB8333601A GB2131819B GB 2131819 B GB2131819 B GB 2131819B GB 08333601 A GB08333601 A GB 08333601A GB 8333601 A GB8333601 A GB 8333601A GB 2131819 B GB2131819 B GB 2131819B
- Authority
- GB
- United Kingdom
- Prior art keywords
- polymethacrylamide
- copolymers
- preparation
- 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
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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823246905 DE3246905A1 (de) | 1982-12-18 | 1982-12-18 | Verfahren zur herstellung von polymethacrylamid und copolymerisaten desselben |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8333601D0 GB8333601D0 (en) | 1984-01-25 |
GB2131819A GB2131819A (en) | 1984-06-27 |
GB2131819B true GB2131819B (en) | 1985-08-29 |
Family
ID=6181032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08333601A Expired GB2131819B (en) | 1982-12-18 | 1983-12-16 | Process for the preparation of polymethacrylamide and copolymers thereof |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS59115311A (de) |
DE (1) | DE3246905A1 (de) |
FR (1) | FR2537977B1 (de) |
GB (1) | GB2131819B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3544770A1 (de) * | 1985-12-18 | 1987-06-19 | Stockhausen Chem Fab Gmbh | Verfahren und vorrichtung zum kontinuierlichen herstellen von polymerisaten und copolymerisaten der acrylsaeure und/oder methacrylsaeure |
GB9117442D0 (en) * | 1991-08-13 | 1991-09-25 | Simon Megson Limited | Production of polymers of acrylamidoalkylsulphonic acids and their salts and copolymers with other vinyl monomers |
DE19941072A1 (de) * | 1999-08-30 | 2001-03-01 | Stockhausen Chem Fab Gmbh | Polymerisatzusammensetzung und ein Verfahren zu dessen Herstellung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1262101A (en) * | 1968-11-29 | 1972-02-02 | Nalco Chemical Co | Polymerization process |
FR2159809A6 (en) * | 1969-10-22 | 1973-06-22 | Progil | Low mol wt acrylic (co) polymer prodn |
FR2348227A1 (fr) * | 1976-04-14 | 1977-11-10 | Rhone Poulenc Ind | Perfectionnement aux procedes de preparation de polymeres acryliques hydrosolubles par photopolymerisation |
JPS52137482A (en) * | 1976-05-14 | 1977-11-16 | Kyoritsu Yuki Kogyo Kenkyusho:Kk | Preparation of acrylamide polymer |
US4283517A (en) * | 1979-07-16 | 1981-08-11 | Milchem Incorporated | Continuous process for solution polymerization of acrylamide |
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 |
-
1982
- 1982-12-18 DE DE19823246905 patent/DE3246905A1/de not_active Withdrawn
-
1983
- 1983-09-22 FR FR8315048A patent/FR2537977B1/fr not_active Expired
- 1983-10-19 JP JP19444183A patent/JPS59115311A/ja active Pending
- 1983-12-16 GB GB08333601A patent/GB2131819B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3246905A1 (de) | 1984-06-20 |
GB8333601D0 (en) | 1984-01-25 |
JPS59115311A (ja) | 1984-07-03 |
FR2537977A1 (fr) | 1984-06-22 |
GB2131819A (en) | 1984-06-27 |
FR2537977B1 (fr) | 1987-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |