PT71667A - Improvement in the polymerization process of vinyl chloride - Google Patents

Improvement in the polymerization process of vinyl chloride

Info

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

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 (en) 1979-08-09 1979-08-09 Polymerization method of vinyl chloride monomer

Publications (2)

Publication Number Publication Date
PT71667A true PT71667A (en) 1980-09-01
PT71667B 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 (en)
BR (1) BR8004967A (en)
DE (1) DE3028753A1 (en)
FR (1) FR2463154B1 (en)
GB (1) GB2055861B (en)
GR (1) GR69338B (en)
IN (1) IN153574B (en)
MX (1) MX156439A (en)
PL (1) PL226102A1 (en)
PT (1) PT71667B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5849710A (en) * 1981-09-18 1983-03-24 Shin Etsu Chem Co Ltd Defoaming method in preparation of vinyl chloride polymer and polymerizing apparatus
JPS5898881A (en) * 1981-12-08 1983-06-11 Pioneer Video Corp Time base controller for reproducing device of information recording disc
WO1992008743A1 (en) * 1990-11-08 1992-05-29 The Dow Chemical Company Reactor with foam shearing means for solution polymerization process
DE19711021A1 (en) * 1997-03-17 1998-09-24 Basf Ag Use of mechanical foam destroyers in the production of polymer dispersions

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE731756C (en) * 1939-06-21 1943-02-13 Ig Farbenindustrie Ag Process for removing foam
US3560402A (en) * 1968-04-10 1971-02-02 Int Paper Co Apparatus for mechanically breaking stable foams
ES438975A1 (en) * 1974-08-14 1977-02-16 Solvay Removal of residual vinyl chloride
DE2520591C3 (en) * 1975-05-09 1980-11-06 Hoechst Ag, 6000 Frankfurt Process and device for the continuous treatment of aqueous homo- and copolymer dispersions, the polymer content of which is at least 50% by weight polymerized
DE2757345C2 (en) * 1977-12-22 1986-01-23 Wacker-Chemie GmbH, 8000 München Process for foam destruction when removing residual monomer from reaction mixtures

Also Published As

Publication number Publication date
FR2463154B1 (en) 1985-11-22
JPS6042804B2 (en) 1985-09-25
PT71667B (en) 1981-06-11
BR8004967A (en) 1981-02-17
GR69338B (en) 1982-05-17
IN153574B (en) 1984-07-28
GB2055861B (en) 1983-09-21
DE3028753A1 (en) 1981-02-26
PL226102A1 (en) 1981-04-24
GB2055861A (en) 1981-03-11
MX156439A (en) 1988-08-23
DE3028753C2 (en) 1990-06-28
JPS5626908A (en) 1981-03-16
FR2463154A1 (en) 1981-02-20

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