FR2387247A1 - Procede de demonomerisation de dispersions de chlorure de polyvinyle - Google Patents

Procede de demonomerisation de dispersions de chlorure de polyvinyle

Info

Publication number
FR2387247A1
FR2387247A1 FR7810662A FR7810662A FR2387247A1 FR 2387247 A1 FR2387247 A1 FR 2387247A1 FR 7810662 A FR7810662 A FR 7810662A FR 7810662 A FR7810662 A FR 7810662A FR 2387247 A1 FR2387247 A1 FR 2387247A1
Authority
FR
France
Prior art keywords
polyvinyl chloride
dispersion
dispersions
demonomerizing
demonomerization
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Withdrawn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
FR7810662A
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.)
Chemische Werke Buna VEB
Original Assignee
Chemische Werke Buna VEB
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
Priority claimed from DD19832877A external-priority patent/DD139660A3/de
Priority claimed from DD19947277A external-priority patent/DD140621A3/de
Application filed by Chemische Werke Buna VEB filed Critical Chemische Werke Buna VEB
Publication of FR2387247A1 publication Critical patent/FR2387247A1/fr
Withdrawn legal-status Critical Current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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

a. L'invention concerne un procédé de démonomérisation de dispersions de chlorure de polyvinyle ou de dispersions des co-polymérisats ou polymères greffés correspondants. b. Ce procédé est caractérisé en ce qu'on chauffe la dispersion aqueuse de chlorure de polyvinyle ou la dispersion de co-polymère greffé correspondante avec une teneur en matière solide de 15 à 64 %, pendant 10 secondes à 2 minutes, à des températures de 105 à 150 degrés C, sous une pression de 1 à 10 atmosphères des stabilisants et/ou des substances surfactives en une quantité de 0,01 à 1,0 masse %, calculé sur la teneur en matière solide de la dispersion. c. L'invention s'applique à la démonomérisation de dispersion de chlorure de polyvinyle ou de dispersion de copolymère ou polymère greffé.
FR7810662A 1977-04-11 1978-04-11 Procede de demonomerisation de dispersions de chlorure de polyvinyle Withdrawn FR2387247A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD19832877A DD139660A3 (de) 1977-04-11 1977-04-11 Verfahren zur entmonomerisierung von polymerdispersionen,vorzugsweise polyvinylchloriddispersionen
DD19947277A DD140621A3 (de) 1977-06-14 1977-06-14 Verfahren zur entmonomerisierung von homo-und copolymerisatdispersionen des vinylchlorids

Publications (1)

Publication Number Publication Date
FR2387247A1 true FR2387247A1 (fr) 1978-11-10

Family

ID=25747586

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7810662A Withdrawn FR2387247A1 (fr) 1977-04-11 1978-04-11 Procede de demonomerisation de dispersions de chlorure de polyvinyle

Country Status (10)

Country Link
AT (1) AT362584B (fr)
CS (1) CS206623B1 (fr)
DE (1) DE2800608A1 (fr)
ES (1) ES468698A1 (fr)
FI (1) FI781087A7 (fr)
FR (1) FR2387247A1 (fr)
GB (1) GB1588398A (fr)
NO (1) NO780534L (fr)
RO (1) RO75753A (fr)
SE (1) SE7804082L (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2454445A1 (de) * 1974-11-16 1976-05-20 Hoechst Ag Verfahren zur entfernung von monomeren aus waessrigen dispersionen von polymeren
FR2311037A1 (fr) * 1975-05-16 1976-12-10 Hoechst Ag Procede d'elimination en continu de monomeres contenus dans des dispersions aqueuses de polymeres
FR2316249A1 (fr) * 1975-07-02 1977-01-28 Shinetsu Chemical Co Procede pour eliminer du chlorure de vinyle et du chlorure de vinylidene residuels d'une bouillie aqueuse de polymerisats

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2454445A1 (de) * 1974-11-16 1976-05-20 Hoechst Ag Verfahren zur entfernung von monomeren aus waessrigen dispersionen von polymeren
FR2291215A1 (fr) * 1974-11-16 1976-06-11 Hoechst Ag Procede d'elimination de monomeres contenus dans des dispersions aqueuses de polymeres
FR2311037A1 (fr) * 1975-05-16 1976-12-10 Hoechst Ag Procede d'elimination en continu de monomeres contenus dans des dispersions aqueuses de polymeres
FR2316249A1 (fr) * 1975-07-02 1977-01-28 Shinetsu Chemical Co Procede pour eliminer du chlorure de vinyle et du chlorure de vinylidene residuels d'une bouillie aqueuse de polymerisats

Also Published As

Publication number Publication date
NO780534L (no) 1978-10-12
DE2800608A1 (de) 1978-10-19
ATA34878A (de) 1980-10-15
CS206623B1 (en) 1981-06-30
FI781087A7 (fi) 1978-10-12
RO75753A (fr) 1981-02-28
AT362584B (de) 1981-05-25
GB1588398A (en) 1981-04-23
SE7804082L (sv) 1978-10-12
ES468698A1 (es) 1978-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse