IT1143747B - Porcedimento per la separazione di monomero cloruro di vinile da sospensioni di polimeri pvc in particelle in acqua - Google Patents

Porcedimento per la separazione di monomero cloruro di vinile da sospensioni di polimeri pvc in particelle in acqua

Info

Publication number
IT1143747B
IT1143747B IT2614477A IT2614477A IT1143747B IT 1143747 B IT1143747 B IT 1143747B IT 2614477 A IT2614477 A IT 2614477A IT 2614477 A IT2614477 A IT 2614477A IT 1143747 B IT1143747 B IT 1143747B
Authority
IT
Italy
Prior art keywords
suspensions
separation
port
vinyl chloride
chloride monomer
Prior art date
Application number
IT2614477A
Other languages
English (en)
Original Assignee
Ici Australia Ltd
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 Ici Australia Ltd filed Critical Ici Australia Ltd
Application granted granted Critical
Publication of IT1143747B publication Critical patent/IT1143747B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/38—Steam distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B01D3/225—Dual-flow sieve trays
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/003—Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
IT2614477A 1976-07-27 1977-07-26 Porcedimento per la separazione di monomero cloruro di vinile da sospensioni di polimeri pvc in particelle in acqua IT1143747B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPC678276 1976-07-27
AUPC707576 1976-08-19

Publications (1)

Publication Number Publication Date
IT1143747B true IT1143747B (it) 1986-10-22

Family

ID=25642135

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2614477A IT1143747B (it) 1976-07-27 1977-07-26 Porcedimento per la separazione di monomero cloruro di vinile da sospensioni di polimeri pvc in particelle in acqua

Country Status (9)

Country Link
JP (1) JPS5334888A (it)
DE (1) DE2733679A1 (it)
ES (1) ES461073A1 (it)
FR (1) FR2359848B1 (it)
GB (1) GB1580225A (it)
IT (1) IT1143747B (it)
NL (1) NL7708168A (it)
NZ (1) NZ184661A (it)
SE (1) SE438861B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5246813U (it) * 1976-09-21 1977-04-02
US4228273A (en) * 1978-09-05 1980-10-14 Tenneco Chemicals, Inc. Process for the removal of vinyl chloride from aqueous dispersions of vinyl chloride resins
DE2927787A1 (de) * 1979-07-10 1981-01-22 Huels Chemische Werke Ag Kolonne mit schraegloch-boeden
JPS5622305A (en) * 1979-08-01 1981-03-02 Chisso Corp Monomer removal from vinyl chloride resin slurry by steaming and apparatus therefor
JPS63317306A (ja) * 1987-06-19 1988-12-26 Chisso Corp 残留塩化ビニルモノマ−の少ない低重合度塩化ビニル重合体粉末及びその製造方法
WO2005003187A1 (en) * 2003-07-03 2005-01-13 Vinnolit Gmbh & Co. Kg Plate column for the separation of monomeric vinyl chloride (vcm) from polyvinyl chloride (pvc) in the suspension process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713478A (en) * 1952-10-03 1955-07-19 Edw G Ragatz Co Apparatus for counter-current contacting of liquids and vapors
GB802148A (en) * 1954-07-15 1958-10-01 Dunlop Rubber Co Process and apparatus for distillation
GB994789A (en) * 1960-10-01 1965-06-10 Basf Ag Process and apparatus for the continuous polymerisation of ethylenically unsaturatedpolymerisable compounds
US3926927A (en) * 1974-11-25 1975-12-16 Monsanto Co Stripping monomers from a slurry of copolymerized acrylonitrile
DE2521780C2 (de) * 1975-05-16 1982-10-21 Hoechst Ag, 6000 Frankfurt Verfahren zur kontinuierlichen Entfernung von Monomeren aus einer wäßrigen Dispersion eines Polymeren
JPS5813563B2 (ja) * 1976-04-03 1983-03-14 信越化学工業株式会社 塩化ビニルの水性分散液から未反応モノマ−を除去する方法およびその装置

Also Published As

Publication number Publication date
JPS5334888A (en) 1978-03-31
FR2359848B1 (fr) 1982-08-06
NZ184661A (en) 1979-08-31
FR2359848A1 (it) 1978-02-24
ES461073A1 (es) 1978-12-01
DE2733679A1 (de) 1978-02-02
SE438861B (sv) 1985-05-13
SE7708564L (sv) 1978-01-28
NL7708168A (nl) 1978-01-31
GB1580225A (en) 1980-11-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950729