ZA712635B - Process for preparing polyvinyl chlorides by suspension polymerization - Google Patents

Process for preparing polyvinyl chlorides by suspension polymerization

Info

Publication number
ZA712635B
ZA712635B ZA712635A ZA712635A ZA712635B ZA 712635 B ZA712635 B ZA 712635B ZA 712635 A ZA712635 A ZA 712635A ZA 712635 A ZA712635 A ZA 712635A ZA 712635 B ZA712635 B ZA 712635B
Authority
ZA
South Africa
Prior art keywords
suspension polymerization
polyvinyl chlorides
preparing polyvinyl
preparing
chlorides
Prior art date
Application number
ZA712635A
Other languages
English (en)
Inventor
S Koyanagi
S Tajima
Y Kiri
K Kurimoto
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 ZA712635B publication Critical patent/ZA712635B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L5/00—Brakes, or actuating mechanisms therefor, controlled by back-pedalling
    • B62L5/10—Brakes, or actuating mechanisms therefor, controlled by back-pedalling the brakes being actuated through coacting cams and balls or rollers located in the rear wheel hub
    • B62L5/14—Brakes, or actuating mechanisms therefor, controlled by back-pedalling the brakes being actuated through coacting cams and balls or rollers located in the rear wheel hub the brakes being of disc type
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
    • C08F2/004—Scale prevention in a polymerisation reactor or its auxiliary parts by a prior coating on the reactor walls

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polymerisation Methods In General (AREA)
  • Braking Arrangements (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
ZA712635A 1970-05-07 1970-05-07 Process for preparing polyvinyl chlorides by suspension polymerization ZA712635B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE91560T
JP45038893A JPS4829871B1 (zh) 1970-05-07 1970-05-07
US6858570A 1970-08-31 1970-08-31
CH1361670 1970-09-14
FR7033191A FR2105579A5 (zh) 1970-05-07 1970-09-14

Publications (1)

Publication Number Publication Date
ZA712635B true ZA712635B (en) 1972-01-26

Family

ID=27509482

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA712635A ZA712635B (en) 1970-05-07 1970-05-07 Process for preparing polyvinyl chlorides by suspension polymerization

Country Status (12)

Country Link
US (1) US3669946A (zh)
JP (1) JPS4829871B1 (zh)
AT (1) AT320966B (zh)
BG (1) BG25649A3 (zh)
BR (1) BR7102781D0 (zh)
CH (1) CH546261A (zh)
DE (2) DE94210C (zh)
DK (1) DK138546B (zh)
FI (1) FI53826C (zh)
FR (1) FR2105579A5 (zh)
GB (1) GB1291145A (zh)
ZA (1) ZA712635B (zh)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021507B2 (zh) * 1972-11-16 1975-07-23
GB1439339A (en) * 1972-11-20 1976-06-16 Ici Ltd Vinyl chloride polymerisation process
US4093787A (en) * 1972-11-20 1978-06-06 Imperial Chemical Industries Limited Vinyl chloride polymerization process
US4007320A (en) * 1974-05-21 1977-02-08 Kemanord Aktiebolag Process for reducing polymer build-up
US4093788A (en) * 1974-06-24 1978-06-06 Stauffer Chemical Company Method for the preparation of polyvinyl chloride by suspension or emulsion polymerization
JPS5113881A (en) * 1974-07-24 1976-02-03 Kanegafuchi Chemical Ind Enkabiniruno jugohoho
DE2442575C3 (de) * 1974-09-05 1980-01-17 Chemische Werke Huels Ag, 4370 Marl Verfahren zur Herstellung von Emulsionspolyvinylchlorid unter Vermeiden von Vinylchlorid-Emissionen
CA1064785A (en) * 1974-09-18 1979-10-23 B.F. Goodrich Company (The) Internally coated reaction vessel and process for coating the same
JPS5150989A (en) * 1974-10-31 1976-05-06 Shinetsu Chemical Co Enkabiniru mataha enkabiniruoshutaitosuru tanryotaikongobutsuno jugohoho
JPS5153589A (en) * 1974-11-06 1976-05-12 Shinetsu Chemical Co Harogenkabiniruno kaijojugoho
CA1077197A (en) * 1975-03-24 1980-05-06 Kazuhiko Kurimoto Method for bulk polymerization of vinyl chloride
JPS5213592A (en) * 1975-07-23 1977-02-01 Shin Etsu Chem Co Ltd Polymerization of vinyl chloride
JPS5223187A (en) * 1975-08-14 1977-02-21 Shin Etsu Chem Co Ltd Process for polymerizing vinyl monomers
US4049894A (en) * 1975-08-25 1977-09-20 The B. F. Goodrich Company Latex modified portland cement and use thereof in polymerization reactors
US4038473A (en) * 1975-10-15 1977-07-26 The B. F. Goodrich Company Process for cleaning polymerization reactors
JPS5269992A (en) * 1975-12-10 1977-06-10 Kanegafuchi Chem Ind Co Ltd Process for polymerizing vinyl chloride
JPS52101289A (en) * 1976-02-20 1977-08-25 Kanegafuchi Chem Ind Co Ltd Suspension polymerization of vinyl chloride
US4085267A (en) * 1976-02-23 1978-04-18 The B. F. Goodrich Company Process for the suspension polymerization of vinyl chloride with low polymer buildup
US4068052A (en) * 1976-06-23 1978-01-10 Continental Oil Company Reducing PVC polymer buildup in polymerization reactors with dithioxamides and alumina
JPS5813564B2 (ja) * 1976-07-30 1983-03-14 信越化学工業株式会社 ジエン系単量体の重合方法
US4068054A (en) * 1976-08-02 1978-01-10 Phillips Petroleum Company Prevention of fouling in polymerization reactors and antistatic agents
JPS6059246B2 (ja) * 1977-04-18 1985-12-24 鐘淵化学工業株式会社 塩化ビニルの重合方法
GB1589404A (en) * 1976-12-23 1981-05-13 Ici Australia Ltd Halogenated a-olefin polymerisation process and reactor therefor
GR64894B (en) * 1977-01-25 1980-06-07 Shinetsu Chemical Co Method for the polymerization of a vinyl menomer
US4068059A (en) * 1977-02-17 1978-01-10 The B. F. Goodrich Company Internally coated reaction vessel for use in olefinic polymerization
JPS53102396A (en) * 1977-02-17 1978-09-06 Sumitomo Chem Co Ltd Polymerization of vinyl chloride monomer
US4220743A (en) * 1977-03-08 1980-09-02 Ici Australia Limited Process for aqueous dispersion polymerization of vinyl halide monomers in coated reactor
US4117216A (en) * 1977-09-02 1978-09-26 The B. F. Goodrich Company Inversion polymerization process for producing vinyl resins
US4117215A (en) * 1977-09-02 1978-09-26 The B. F. Goodrich Company Inversion polymerization process for producing vinyl resins
US4146698A (en) * 1977-10-06 1979-03-27 Stauffer Chemical Company Process for the polymerization of vinyl chloride in the presence of calcium & zinc acrylate
DE2757924A1 (de) * 1977-12-24 1979-07-05 Hoechst Ag Verfahren zur herstellung von vinylchlorid-polymerisaten
DE2960426D1 (en) * 1978-02-24 1981-10-01 Ici Plc Coating product for use in a reactor for vinyl halide polymerisation process, the reactor and the process
US4142033A (en) * 1978-05-15 1979-02-27 The B. F. Goodrich Company Inversion polymerization process for producing vinyl resins
US4359560A (en) * 1978-06-13 1982-11-16 Air Products And Chemicals, Inc. Method for reducing wall fouling in vinyl chloride polymerization
AU526104B2 (en) * 1978-09-08 1982-12-16 Geon Company, The Polymerization of vinyl chloride
US4269954A (en) * 1978-10-02 1981-05-26 The B. F. Goodrich Company Process for producing homo- or copolymers of vinyl or vinylidene halides having reduced polymer buildup in the reactor
US4258157A (en) * 1979-03-12 1981-03-24 The B. F. Goodrich Company Inversion polymerization process for producing vinyl resins using coated reactors
JPS55155001A (en) * 1979-05-21 1980-12-03 Shin Etsu Chem Co Ltd Polymerization of vinyl monomer
US4272622A (en) * 1979-05-22 1981-06-09 Shin-Etsu Chemical Co., Ltd. Method for preventing polymer scale deposition in the polymerization of an ethylenically unsaturated monomer in an aqueous medium
US4256864A (en) * 1979-08-13 1981-03-17 The B. F. Goodrich Company Polymerization reactors coated with polymer-inhibitor complexes
US4263421A (en) * 1979-09-14 1981-04-21 The B. F. Goodrich Company Process for coating reactors using organic compound vapor application
US4267291A (en) * 1979-09-14 1981-05-12 The B. F. Goodrich Company Process for coating reactors using organic compound vapor application
DE2946461A1 (de) * 1979-11-17 1981-05-27 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von vinylchlorid-polymerisaten
US4294945A (en) * 1980-04-21 1981-10-13 Stauffer Chemical Company Reduction of scale formation during vinyl chloride polymerization with tin mercaptides
DE3025171A1 (de) * 1980-07-03 1982-01-28 Wacker-Chemie GmbH, 8000 München Verfahren zur herstellung von vinylhalogenidpolymerisaten
JPS5869203A (ja) * 1981-10-20 1983-04-25 Shin Etsu Chem Co Ltd ビニル系単量体の重合方法
US4384085A (en) * 1982-01-06 1983-05-17 The Dow Chemical Company Preparation of nylon-6 with reduced levels of water-extractable material
IN165525B (zh) * 1984-07-23 1989-11-04 Shinetsu Chemical Co
US4719089A (en) * 1984-09-11 1988-01-12 The B. F. Goodrich Company Internally coated reaction vessel for use in olefinic polymerization
US4613483A (en) * 1984-11-07 1986-09-23 The B. F. Goodrich Company Coated polymerization vessels and methods for use thereof
IT1190641B (it) * 1986-05-16 1988-02-16 Enichem Polimeri Procedimento per la polimerizzazione in sospensione acquosa di monomeri vinilici contenenti alogeno
US5243000A (en) * 1987-07-30 1993-09-07 Occidental Chemical Corporation Process for making polyvinyl chloride using phenothiazine oligomer
US5100988A (en) * 1987-09-08 1992-03-31 Shin-Etsu Chemical Co., Ltd. Initiated scale-free formation of vinyl chloride polymers using washing liquid at temperature affecting initiator half-life
CA1289297C (en) * 1987-12-08 1991-09-17 Toshihide Shimizu Method of preventing polymer-scale formation
US4985524A (en) * 1988-05-19 1991-01-15 Shin-Etsu Chemical Co., Ltd. Process of polymerizing vinyl chloride with post-heating of charging passage
ES2074616T3 (es) * 1990-08-28 1995-09-16 Shinetsu Chemical Co Substancias, recipiente y procedimiento para la prevencion del deposito de cascarilla de polimero en los recipientes de polimerizacion.
JP2764654B2 (ja) * 1990-10-23 1998-06-11 信越化学工業株式会社 重合体スケール付着防止剤および重合体スケールの付着防止方法
JP2764660B2 (ja) * 1991-05-17 1998-06-11 信越化学工業株式会社 重合体スケール付着防止剤および重合体スケールの付着防止方法
EP0598537B2 (en) * 1992-11-10 2002-09-11 Shin-Etsu Chemical Co., Ltd. Polymer scale preventive agent
JP2678715B2 (ja) * 1992-11-10 1997-11-17 信越化学工業株式会社 重合体スケール付着防止剤及びそれを使用する重合体製造方法
IT1280167B1 (it) * 1995-05-12 1998-01-05 Cirs Spa Procedimento per la produzione di anti-incrostante per rivestire i reattori di polimerizzazione e rispettivo prodotto risultante
IT1280168B1 (it) * 1995-05-12 1998-01-05 Cirs Spa Anti-incrostante per rivestire i reattori di polimerizzazione e rispettivo prodotto risultante
IT1280181B1 (it) * 1995-06-05 1998-01-05 Cirs Spa Procedimento per la produzione di anti-incrostante per rivestire i reattori di polimerizzazione e rispettivo prodotto risultante
IT1280182B1 (it) * 1995-06-05 1998-01-05 Cirs Spa Procedimento di polimerizzazione di monomeri
EP0805168B1 (en) * 1996-04-30 2000-11-08 Shin-Etsu Chemical Co., Ltd. Vinyl chloride polymer
US20070213445A1 (en) * 2004-01-22 2007-09-13 Klijn Teunis A Stain Blocking Water Borne Coating Composition

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515709A (en) * 1967-08-02 1970-06-02 Dow Chemical Co Process for eliminating polymer build-up on reactor walls during polymerization of water-insoluble monoethylenically unsaturated liquid monomers

Also Published As

Publication number Publication date
CH546261A (de) 1974-02-28
FI53826B (fi) 1978-05-02
FI53826C (fi) 1978-08-10
FR2105579A5 (zh) 1972-04-28
GB1291145A (en) 1972-09-27
DK138546B (da) 1978-09-25
DE94210C (zh)
US3669946A (en) 1972-06-13
JPS4829871B1 (zh) 1973-09-13
BG25649A3 (bg) 1978-11-10
AT320966B (de) 1975-03-10
DK138546C (zh) 1979-02-26
BR7102781D0 (pt) 1973-06-07
DE91560C (zh)

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