BE790187A - Copolymeres d'acrylamides solubles dans l'eau a poids moleculaire elev - Google Patents

Copolymeres d'acrylamides solubles dans l'eau a poids moleculaire elev

Info

Publication number
BE790187A
BE790187A BE790187DA BE790187A BE 790187 A BE790187 A BE 790187A BE 790187D A BE790187D A BE 790187DA BE 790187 A BE790187 A BE 790187A
Authority
BE
Belgium
Prior art keywords
molecular weight
high molecular
weight water
acrylamide copolymers
soluble acrylamide
Prior art date
Application number
Other languages
English (en)
Inventor
E S Barabas
F Grosser
Original Assignee
Gaf Corp
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.)
Publication date
Publication of BE790187A publication Critical patent/BE790187A/fr

Links

Classifications

    • 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
    • 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

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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE790187D 1971-10-18 Copolymeres d'acrylamides solubles dans l'eau a poids moleculaire elev BE790187A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19040471A 1971-10-18 1971-10-18

Publications (1)

Publication Number Publication Date
BE790187A true BE790187A (fr) 1973-02-15

Family

ID=22701207

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790187D BE790187A (fr) 1971-10-18 Copolymeres d'acrylamides solubles dans l'eau a poids moleculaire elev

Country Status (7)

Country Link
JP (1) JPS5128270B2 (fr)
BE (1) BE790187A (fr)
CA (1) CA984544A (fr)
DE (1) DE2249925A1 (fr)
GB (1) GB1399129A (fr)
IL (1) IL40489A (fr)
NL (1) NL7214072A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396752A (en) 1977-05-16 1983-08-02 Societe Francaise Hoechst Strong cationic polyelectrolytes in powder form based on acrylamide and quaternized or salified dimethylaminoethyl acrylate for flocculation of solid material suspensions and coalescence of emulsions
GB8414950D0 (en) * 1984-06-12 1984-07-18 Allied Colloids Ltd Cationic polyelectrolytes
GB2211180B (en) * 1987-09-10 1991-05-22 Chemisolv Ltd Treating effluent from a paper or board manufacturing process

Also Published As

Publication number Publication date
DE2249925A1 (de) 1973-04-26
IL40489A0 (en) 1972-12-29
GB1399129A (en) 1975-06-25
JPS5128270B2 (fr) 1976-08-18
JPS4849687A (fr) 1973-07-13
NL7214072A (fr) 1973-04-24
IL40489A (en) 1976-03-31
CA984544A (en) 1976-02-24

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