PT71667B - Improvement in the polymerization process of vinyl chloride - Google Patents

Improvement in the polymerization process of vinyl chloride

Info

Publication number
PT71667B
PT71667B PT7166780A PT7166780A PT71667B PT 71667 B PT71667 B PT 71667B PT 7166780 A PT7166780 A PT 7166780A PT 7166780 A PT7166780 A PT 7166780A PT 71667 B PT71667 B PT 71667B
Authority
PT
Portugal
Prior art keywords
improvement
vinyl chloride
polymerization process
polymerization
vinyl
Prior art date
Application number
PT7166780A
Other languages
English (en)
Portuguese (pt)
Other versions
PT71667A (en
Original Assignee
Shinetsu Chemical Co
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 Shinetsu Chemical Co filed Critical Shinetsu Chemical Co
Publication of PT71667A publication Critical patent/PT71667A/pt
Publication of PT71667B publication Critical patent/PT71667B/pt

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)
PT7166780A 1979-08-09 1980-08-07 Improvement in the polymerization process of vinyl chloride PT71667B (en)

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
PT71667A PT71667A (en) 1980-09-01
PT71667B true PT71667B (en) 1981-06-11

Family

ID=14305795

Family Applications (1)

Application Number Title Priority Date Filing Date
PT7166780A PT71667B (en) 1979-08-09 1980-08-07 Improvement in the polymerization process of vinyl chloride

Country Status (10)

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

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
EP0558595A4 (en) * 1990-11-08 1993-11-03 The Dow Chemical Company Reactor with foam shearing means for solution polymerization process
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
FR2463154A1 (fr) 1981-02-20
GR69338B (de) 1982-05-17
GB2055861B (en) 1983-09-21
MX156439A (es) 1988-08-23
DE3028753A1 (de) 1981-02-26
JPS6042804B2 (ja) 1985-09-25
PT71667A (en) 1980-09-01
DE3028753C2 (de) 1990-06-28
PL226102A1 (de) 1981-04-24
IN153574B (de) 1984-07-28
GB2055861A (en) 1981-03-11
BR8004967A (pt) 1981-02-17
FR2463154B1 (fr) 1985-11-22
JPS5626908A (en) 1981-03-16

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