FR2322877A1 - Procede et dispositif pour polymeriser en milieu aqueux des monomeres a insaturation a-ethylenique - Google Patents

Procede et dispositif pour polymeriser en milieu aqueux des monomeres a insaturation a-ethylenique

Info

Publication number
FR2322877A1
FR2322877A1 FR7625790A FR7625790A FR2322877A1 FR 2322877 A1 FR2322877 A1 FR 2322877A1 FR 7625790 A FR7625790 A FR 7625790A FR 7625790 A FR7625790 A FR 7625790A FR 2322877 A1 FR2322877 A1 FR 2322877A1
Authority
FR
France
Prior art keywords
insaturation
ethylenic
polymerizing
monomers
aqueous medium
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.)
Withdrawn
Application number
FR7625790A
Other languages
English (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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of FR2322877A1 publication Critical patent/FR2322877A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/002Scale prevention in a polymerisation reactor or its auxiliary parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10Maintenance of mixers
    • B01F35/145Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094Jackets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18Details relating to the spatial orientation of the reactor
    • B01J2219/185Details relating to the spatial orientation of the reactor vertical

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR7625790A 1975-08-26 1976-08-26 Procede et dispositif pour polymeriser en milieu aqueux des monomeres a insaturation a-ethylenique Withdrawn FR2322877A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1107075 1975-08-26

Publications (1)

Publication Number Publication Date
FR2322877A1 true FR2322877A1 (fr) 1977-04-01

Family

ID=4369728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625790A Withdrawn FR2322877A1 (fr) 1975-08-26 1976-08-26 Procede et dispositif pour polymeriser en milieu aqueux des monomeres a insaturation a-ethylenique

Country Status (15)

Country Link
US (1) US4090014A (fr)
JP (1) JPS5227489A (fr)
AT (1) AT344990B (fr)
AU (1) AU1715376A (fr)
BE (1) BE845553A (fr)
BR (1) BR7605602A (fr)
DD (1) DD126513A5 (fr)
DE (1) DE2636653A1 (fr)
ES (1) ES450878A1 (fr)
FR (1) FR2322877A1 (fr)
GB (1) GB1556810A (fr)
IT (1) IT1064919B (fr)
NL (1) NL7609291A (fr)
SE (1) SE7609403L (fr)
ZA (1) ZA765095B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443280A1 (fr) * 1978-12-05 1980-07-04 Wacker Chemie Gmbh Autoclave de polymerisation
FR2532329A1 (fr) * 1982-08-27 1984-03-02 Cofremmi Dissolution electrochimique et controle de croutes de sulfure de nickel
FR2661415A1 (fr) * 1990-04-28 1991-10-31 Bayer Ag Procede pour empecher les depots de polymeres dans les recipients.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU580474B2 (en) * 1986-03-24 1989-01-12 DEM Investments Pty Ltd Water conditioner
US5129028A (en) * 1990-11-01 1992-07-07 The United States Of America As Represented By The Secretary Of The Navy Grid free, modular, large screen display
ES2152590T3 (es) * 1996-04-30 2001-02-01 Shinetsu Chemical Co Polimero de cloruro de vinilo.
DE19962935A1 (de) * 1999-12-24 2001-06-28 Bayer Ag Verfahren zur Herstellung von vernetzten Ionenaustauschern auf Basis von ungesättigten, aliphatischen Nitrilen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2247475A1 (fr) * 1973-10-10 1975-05-09 Hoechst Ag

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2247475A1 (fr) * 1973-10-10 1975-05-09 Hoechst Ag

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443280A1 (fr) * 1978-12-05 1980-07-04 Wacker Chemie Gmbh Autoclave de polymerisation
FR2532329A1 (fr) * 1982-08-27 1984-03-02 Cofremmi Dissolution electrochimique et controle de croutes de sulfure de nickel
FR2661415A1 (fr) * 1990-04-28 1991-10-31 Bayer Ag Procede pour empecher les depots de polymeres dans les recipients.

Also Published As

Publication number Publication date
IT1064919B (it) 1985-02-25
BR7605602A (pt) 1977-08-09
DD126513A5 (fr) 1977-07-20
ZA765095B (en) 1977-09-28
AT344990B (de) 1978-08-25
JPS5227489A (en) 1977-03-01
DE2636653A1 (de) 1977-03-10
ES450878A1 (es) 1978-04-01
NL7609291A (nl) 1977-03-01
ATA631076A (de) 1977-12-15
SE7609403L (sv) 1977-02-27
US4090014A (en) 1978-05-16
GB1556810A (en) 1979-11-28
AU1715376A (en) 1978-03-02
BE845553A (fr) 1977-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse