DE2960983D1 - A process for preparing polymers usable as flocculants - Google Patents

A process for preparing polymers usable as flocculants

Info

Publication number
DE2960983D1
DE2960983D1 DE7979400341T DE2960983T DE2960983D1 DE 2960983 D1 DE2960983 D1 DE 2960983D1 DE 7979400341 T DE7979400341 T DE 7979400341T DE 2960983 T DE2960983 T DE 2960983T DE 2960983 D1 DE2960983 D1 DE 2960983D1
Authority
DE
Germany
Prior art keywords
flocculants
preparing polymers
polymers usable
usable
preparing
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
DE7979400341T
Other languages
English (en)
Inventor
Jean Boutin
Jean Neel
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.)
Rhone Poulenc Specialites Chimiques
Original Assignee
Rhone Poulenc Specialites Chimiques
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 Rhone Poulenc Specialites Chimiques filed Critical Rhone Poulenc Specialites Chimiques
Application granted granted Critical
Publication of DE2960983D1 publication Critical patent/DE2960983D1/de
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
    • C08F2/00—Processes of polymerisation
    • C08F2/46—Polymerisation initiated by wave energy or particle radiation
    • C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S522/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S522/903—Removal of residual monomer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DE7979400341T 1978-06-09 1979-05-30 A process for preparing polymers usable as flocculants Expired DE2960983D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7817857A FR2428053A2 (fr) 1978-06-09 1978-06-09 Procede de photopolymerisation pour polymeres floculants

Publications (1)

Publication Number Publication Date
DE2960983D1 true DE2960983D1 (en) 1981-12-24

Family

ID=9209528

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979400341T Expired DE2960983D1 (en) 1978-06-09 1979-05-30 A process for preparing polymers usable as flocculants

Country Status (15)

Country Link
US (1) US4252625A (de)
EP (1) EP0006777B1 (de)
JP (1) JPS608681B2 (de)
AT (1) AT369390B (de)
AU (1) AU525520B2 (de)
BR (1) BR7903567A (de)
CA (1) CA1122920A (de)
DE (1) DE2960983D1 (de)
DK (1) DK154506C (de)
ES (1) ES481385A1 (de)
FI (1) FI65268C (de)
FR (1) FR2428053A2 (de)
HU (1) HU181491B (de)
NO (1) NO153733C (de)
RO (1) RO78267A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS60152504A (ja) * 1984-01-19 1985-08-10 Dai Ichi Kogyo Seiyaku Co Ltd 粘着性重合体の製法
CA1268732C (en) * 1984-12-27 1990-05-08 POLYMERIZATION BY RADIATION AND OBTAINING PARTICLES BY CASTING A LAYER OF WATER-SOLUBLE VINYL MONOMER
JP2545951B2 (ja) * 1988-09-26 1996-10-23 東亞合成株式会社 光硬化性組成物
US5244934A (en) * 1991-06-07 1993-09-14 Takai Rubber Industries, Ltd. Irradiation or thermal treatment of water-impregnated cross-linked poly-acrylic acid metal salt resin particles
US6262141B1 (en) 1999-10-06 2001-07-17 Cytec Technology Corporation Process for the preparation of polymers having low residual monomer content

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB654026A (en) * 1948-10-22 1951-05-30 John Patrick Cavanagh Polymeric compositions intended for moulding or extrusion
US2937163A (en) * 1955-03-07 1960-05-17 Dow Chemical Co Water-soluble polymerization products and processes for producing the same
NL130574C (de) * 1966-06-25
US3912607A (en) * 1969-10-22 1975-10-14 Rhone Progil Process for obtaining high molecular weight water-soluble acrylic polymers and copolymers using radiation
DE2009748A1 (de) * 1970-03-03 1971-09-16 Basf Ag Verfahren zur Herstellung von wasser löslichen Polymerisaten
JPS5141160B2 (de) * 1974-08-13 1976-11-08
DE2545290A1 (de) * 1975-10-09 1977-04-21 Roehm Gmbh Verfahren zum polymerisieren mittels uv-licht
DE2546279A1 (de) * 1975-10-16 1977-04-21 Bayer Ag Verfahren und vorrichtung zum loesen von feststoffen in loesungsmitteln
FR2348227A1 (fr) * 1976-04-14 1977-11-10 Rhone Poulenc Ind Perfectionnement aux procedes de preparation de polymeres acryliques hydrosolubles par photopolymerisation
JPS54155296A (en) * 1978-05-29 1979-12-07 Sanyo Chem Ind Ltd Preparation of water-soluble polymer

Also Published As

Publication number Publication date
CA1122920A (fr) 1982-05-04
RO78267A (ro) 1982-04-12
BR7903567A (pt) 1980-01-22
NO153733C (no) 1986-05-14
FR2428053A2 (fr) 1980-01-04
EP0006777B1 (de) 1981-10-14
FR2428053B2 (de) 1984-07-20
DK154506B (da) 1988-11-21
ATA414079A (de) 1982-05-15
NO791906L (no) 1979-12-11
DK154506C (da) 1989-04-10
AU525520B2 (en) 1982-11-11
HU181491B (en) 1983-07-28
JPS608681B2 (ja) 1985-03-05
JPS559687A (en) 1980-01-23
FI791814A (fi) 1979-12-10
AU4784379A (en) 1979-12-13
NO153733B (no) 1986-02-03
AT369390B (de) 1982-12-27
US4252625A (en) 1981-02-24
DK239479A (da) 1979-12-10
FI65268B (fi) 1983-12-30
EP0006777A1 (de) 1980-01-09
FI65268C (fi) 1984-04-10
ES481385A1 (es) 1979-11-16

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee