FR1460347A - Procédé de préparation de la solution aqueuse d'un floculant à masse moléculaire élevée du type polyacrylamide - Google Patents

Procédé de préparation de la solution aqueuse d'un floculant à masse moléculaire élevée du type polyacrylamide

Info

Publication number
FR1460347A
FR1460347A FR42758A FR42758A FR1460347A FR 1460347 A FR1460347 A FR 1460347A FR 42758 A FR42758 A FR 42758A FR 42758 A FR42758 A FR 42758A FR 1460347 A FR1460347 A FR 1460347A
Authority
FR
France
Prior art keywords
preparing
molecular weight
aqueous solution
high molecular
polyacrylamide type
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
Application number
FR42758A
Other languages
English (en)
Inventor
Bela Galgoczi
Laszlo Demeter
Istvan Zagyvai
Laslo Soltesz
Lazslo Sommer
Marton Hercsel
Lajos Raab
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.)
CHEMOLIMPEX
Original Assignee
CHEMOLIMPEX
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 CHEMOLIMPEX filed Critical CHEMOLIMPEX
Application granted granted Critical
Publication of FR1460347A publication Critical patent/FR1460347A/fr
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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/24—Homopolymers or copolymers of amides or imides
    • C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Paper (AREA)
FR42758A 1964-12-21 1965-12-17 Procédé de préparation de la solution aqueuse d'un floculant à masse moléculaire élevée du type polyacrylamide Expired FR1460347A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUBA001802 1964-12-21

Publications (1)

Publication Number Publication Date
FR1460347A true FR1460347A (fr) 1966-11-25

Family

ID=10993307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR42758A Expired FR1460347A (fr) 1964-12-21 1965-12-17 Procédé de préparation de la solution aqueuse d'un floculant à masse moléculaire élevée du type polyacrylamide

Country Status (8)

Country Link
US (1) US3380947A (fr)
AT (1) AT274349B (fr)
BE (1) BE674034A (fr)
DE (1) DE1570407A1 (fr)
FR (1) FR1460347A (fr)
GB (1) GB1137495A (fr)
NL (1) NL6516596A (fr)
SE (1) SE336899B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3507840A (en) * 1967-04-27 1970-04-21 Nalco Chemical Co Method of removing water from water-soluble polymers
US4001161A (en) * 1975-06-13 1977-01-04 American Cyanamid Company Low molecular weight hydrolyzed polyacrylamide and use thereof as scale inhibitor in water systems
US4085045A (en) * 1975-06-13 1978-04-18 American Cyanamid Company Low molecular weight hydrolyzed polyacrylamide used as a scale inhibitor in water systems
GB2040894A (en) * 1979-01-12 1980-09-03 Fosroc International Ltd Pumping aqueous slurries
GB8410971D0 (en) * 1984-04-30 1984-06-06 Allied Colloids Ltd Flocculants and processes
US4759856A (en) * 1984-04-30 1988-07-26 Allied Colloids, Ltd. Flocculation processes
DE3422612A1 (de) * 1984-06-19 1985-12-19 Basf Ag, 6700 Ludwigshafen Verfahren zur lagerstaettenbezogenen verbesserung der eigenschaften waessriger polymerloesungen, die zum polymerfluten dienen
DE3677046D1 (de) * 1985-04-25 1991-02-28 Allied Colloids Ltd Flockungsverfahren.
US4943378A (en) * 1985-04-25 1990-07-24 Allied Colloids Ltd. Flocculation processes
US5723548A (en) * 1988-12-19 1998-03-03 Cytec Technology Corp. Emulsified mannich acrylamide polymers
US5037881A (en) * 1989-10-30 1991-08-06 American Cyanamid Company Emulsified mannich acrylamide polymers
USRE37037E1 (en) 1988-12-19 2001-01-30 Cytec Technology Corp. Emulsified mannich acrylamide polymers
US5298258A (en) * 1989-12-28 1994-03-29 Nitto Denko Corporation Acrylic oily gel bioadhesive material and acrylic oily gel preparation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734915A (en) * 1956-02-14 Acrylic acid
DE1155598B (de) * 1960-05-20 1963-10-10 Hoechst Ag Verfahren zur Herstellung von waessrigen Loesungen von Polyacrylamid

Also Published As

Publication number Publication date
SE336899B (fr) 1971-07-19
GB1137495A (en) 1968-12-18
NL6516596A (fr) 1966-06-22
DE1570407A1 (de) 1969-11-27
US3380947A (en) 1968-04-30
BE674034A (fr) 1966-06-20
AT274349B (de) 1969-09-10

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