GB8333601D0 - Preparation of polymethacrylamide and copolymers - Google Patents

Preparation of polymethacrylamide and copolymers

Info

Publication number
GB8333601D0
GB8333601D0 GB838333601A GB8333601A GB8333601D0 GB 8333601 D0 GB8333601 D0 GB 8333601D0 GB 838333601 A GB838333601 A GB 838333601A GB 8333601 A GB8333601 A GB 8333601A GB 8333601 D0 GB8333601 D0 GB 8333601D0
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.)
Granted
Application number
GB838333601A
Other versions
GB2131819A (en
GB2131819B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Publication of GB8333601D0 publication Critical patent/GB8333601D0/en
Publication of GB2131819A publication Critical patent/GB2131819A/en
Application granted granted Critical
Publication of GB2131819B publication Critical patent/GB2131819B/en
Expired legal-status Critical Current

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)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
GB08333601A 1982-12-18 1983-12-16 Process for the preparation of polymethacrylamide and copolymers thereof Expired GB2131819B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823246905 DE3246905A1 (en) 1982-12-18 1982-12-18 METHOD FOR PRODUCING POLYMETHACRYLAMIDE AND COPOLYMERISATS THEREOF

Publications (3)

Publication Number Publication Date
GB8333601D0 true GB8333601D0 (en) 1984-01-25
GB2131819A GB2131819A (en) 1984-06-27
GB2131819B 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 (en)
DE (1) DE3246905A1 (en)
FR (1) FR2537977B1 (en)
GB (1) GB2131819B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3544770A1 (en) * 1985-12-18 1987-06-19 Stockhausen Chem Fab Gmbh METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF POLYMERISATES AND COPOLYMERISATES OF ACRYLIC ACID AND / OR METHACRYLIC ACID
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 (en) * 1999-08-30 2001-03-01 Stockhausen Chem Fab Gmbh Polymer composition and a process for its preparation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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 (en) * 1976-04-14 1977-11-10 Rhone Poulenc Ind IMPROVEMENT IN PROCESSES FOR THE PREPARATION OF WATER-SOLUBLE ACRYLIC POLYMERS BY PHOTOPOLYMERIZATION
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 (en) * 1980-09-04 1985-09-13 Rhone Poulenc Spec Chim PROCESS FOR THE PREPARATION OF WATER-SOLUBLE POLYMERS OR COPOLYMERS WITH HIGH MOLECULAR WEIGHT AND WITH LOW RESIDUAL MONOMER (S) CONTENT FROM OLEFINICALLY UNSATURATED MONOMERS

Also Published As

Publication number Publication date
DE3246905A1 (en) 1984-06-20
JPS59115311A (en) 1984-07-03
FR2537977A1 (en) 1984-06-22
GB2131819A (en) 1984-06-27
GB2131819B (en) 1985-08-29
FR2537977B1 (en) 1987-07-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee