FR2463154B1 - Procede pour la suppression de mousses au cours de la polymerisation de chlorure de vinyle - Google Patents

Procede pour la suppression de mousses au cours de la polymerisation de chlorure de vinyle

Info

Publication number
FR2463154B1
FR2463154B1 FR8017519A FR8017519A FR2463154B1 FR 2463154 B1 FR2463154 B1 FR 2463154B1 FR 8017519 A FR8017519 A FR 8017519A FR 8017519 A FR8017519 A FR 8017519A FR 2463154 B1 FR2463154 B1 FR 2463154B1
Authority
FR
France
Prior art keywords
polymerization
removal
vinyl chloride
foams during
foams
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
FR8017519A
Other languages
English (en)
French (fr)
Other versions
FR2463154A1 (fr
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.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co 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 Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Publication of FR2463154A1 publication Critical patent/FR2463154A1/fr
Application granted granted Critical
Publication of FR2463154B1 publication Critical patent/FR2463154B1/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
    • 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
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/02—Monomers containing chlorine
    • C08F14/04—Monomers containing two carbon atoms
    • C08F14/06—Vinyl chloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00245—Avoiding undesirable reactions or side-effects
    • B01J2219/0025—Foam formation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR8017519A 1979-08-09 1980-08-08 Procede pour la suppression de mousses au cours de la polymerisation de chlorure de vinyle Expired FR2463154B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10163379A JPS6042804B2 (ja) 1979-08-09 1979-08-09 塩化ビニル系単量体の重合方法

Publications (2)

Publication Number Publication Date
FR2463154A1 FR2463154A1 (fr) 1981-02-20
FR2463154B1 true FR2463154B1 (fr) 1985-11-22

Family

ID=14305795

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8017519A Expired FR2463154B1 (fr) 1979-08-09 1980-08-08 Procede pour la suppression de mousses au cours de la polymerisation de chlorure de vinyle

Country Status (10)

Country Link
JP (1) JPS6042804B2 (ja)
BR (1) BR8004967A (ja)
DE (1) DE3028753A1 (ja)
FR (1) FR2463154B1 (ja)
GB (1) GB2055861B (ja)
GR (1) GR69338B (ja)
IN (1) IN153574B (ja)
MX (1) MX156439A (ja)
PL (1) PL226102A1 (ja)
PT (1) PT71667B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5849710A (ja) * 1981-09-18 1983-03-24 Shin Etsu Chem Co Ltd 塩化ビニル用重合装置
JPS5898881A (ja) * 1981-12-08 1983-06-11 Pioneer Video Corp 情報記録デイスク再生装置における時間軸制御装置
JPH06501510A (ja) * 1990-11-08 1994-02-17 ザ　ダウ　ケミカル　カンパニー 溶液重合法用のフォーム剪断手段を有する反応器
DE19711021A1 (de) * 1997-03-17 1998-09-24 Basf Ag Verwendung von mechanischen Schaumzerstörern bei der Polymerdispersions-Herstellung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE731756C (de) * 1939-06-21 1943-02-13 Ig Farbenindustrie Ag Verfahren zur Beseitigung von Schaeumen
US3560402A (en) * 1968-04-10 1971-02-02 Int Paper Co Apparatus for mechanically breaking stable foams
ES438975A1 (es) * 1974-08-14 1977-02-16 Solvay Un procedimiento para la eliminacion del cloruro de vinilo residual procedente de la polimerizacion en los polimeros decloruro de vinilo.
DE2520591C3 (de) * 1975-05-09 1980-11-06 Hoechst Ag, 6000 Frankfurt Verfahren und Vorrichtung zur kontinuierlichen Behandlung von wäßrigen Homo- und Copolymerisatdispersionen, deren Polymeranteil mindestens 50 Gew.-°/o polymerisier-
DE2757345C2 (de) * 1977-12-22 1986-01-23 Wacker-Chemie GmbH, 8000 München Verfahren zur Schaumzerstörung beim Entfernen von Restmonomer aus Reaktionsgemischen

Also Published As

Publication number Publication date
MX156439A (es) 1988-08-23
GB2055861B (en) 1983-09-21
DE3028753A1 (de) 1981-02-26
GB2055861A (en) 1981-03-11
PT71667B (en) 1981-06-11
BR8004967A (pt) 1981-02-17
GR69338B (ja) 1982-05-17
IN153574B (ja) 1984-07-28
PT71667A (en) 1980-09-01
JPS5626908A (en) 1981-03-16
PL226102A1 (ja) 1981-04-24
FR2463154A1 (fr) 1981-02-20
JPS6042804B2 (ja) 1985-09-25
DE3028753C2 (ja) 1990-06-28

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Legal Events

Date Code Title Description
ST Notification of lapse