CA2079064A1 - Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel - Google Patents

Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel

Info

Publication number
CA2079064A1
CA2079064A1 CA002079064A CA2079064A CA2079064A1 CA 2079064 A1 CA2079064 A1 CA 2079064A1 CA 002079064 A CA002079064 A CA 002079064A CA 2079064 A CA2079064 A CA 2079064A CA 2079064 A1 CA2079064 A1 CA 2079064A1
Authority
CA
Canada
Prior art keywords
acid
polymerization
polymer scale
coating
preventive agent
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.)
Abandoned
Application number
CA002079064A
Other languages
English (en)
French (fr)
Inventor
Masahiro Usuki
Susumu Ueno
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
Individual
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 Individual filed Critical Individual
Publication of CA2079064A1 publication Critical patent/CA2079064A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/002Scale prevention in a polymerisation reactor or its auxiliary parts
    • C08F2/004Scale 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)
  • Polymerisation Methods In General (AREA)
CA002079064A 1991-09-24 1992-09-24 Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel Abandoned CA2079064A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP27194991 1991-09-24
JP3-271948 1991-09-24
JP3-271949 1991-09-24
JP27194891 1991-09-24

Publications (1)

Publication Number Publication Date
CA2079064A1 true CA2079064A1 (en) 1993-03-25

Family

ID=26549959

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002079064A Abandoned CA2079064A1 (en) 1991-09-24 1992-09-24 Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel

Country Status (6)

Country Link
US (1) US5411675A (enExample)
EP (1) EP0534436B1 (enExample)
KR (1) KR930006054A (enExample)
CA (1) CA2079064A1 (enExample)
DE (1) DE69212753D1 (enExample)
TW (1) TW235299B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5548039A (en) * 1993-12-24 1996-08-20 Shin-Etsu Chemical Co., Ltd Polymer scale deposition preventive agent
GB0520160D0 (en) * 2005-10-05 2005-11-09 Insafe Internat Ltd Remote monitoring system for a security lock
US20100261854A1 (en) * 2008-01-22 2010-10-14 Shin-Etsu Chemical Co., Ltd. Polymer scale deposition inhibitor and process for producing polymer with the same
US10092774B1 (en) 2017-07-21 2018-10-09 Varian Medical Systems International, AG Dose aspects of radiation therapy planning and treatment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH605791A5 (enExample) * 1974-09-27 1978-10-13 Ciba Geigy Ag
JPS5224953A (en) * 1975-08-22 1977-02-24 Osaka Transformer Co Ltd Arc welding machine
FR2383199A1 (en) * 1977-12-27 1978-10-06 Ici Australia Ltd Aq. dispersion polymerisation of vinyl! halide monomers - in reactors internally protected with amine-quinone reaction products inhibiting deposit formation
JPS5554317A (en) * 1978-10-17 1980-04-21 Kanegafuchi Chem Ind Co Ltd Reaction product of phenolic compound with aromatic aldehyde and polymerization of vinyl chloride with it
PT80975B (pt) * 1984-08-17 1987-11-11 Shinetsu Chemical Co Processo para a preparacao de um polimero de vinilo
JPS6151002A (ja) * 1984-08-17 1986-03-13 Shin Etsu Chem Co Ltd ビニル系重合体の製法
JPH0625203B2 (ja) * 1987-11-19 1994-04-06 鐘淵化学工業株式会社 重合体スケールの付着防止方法
US6099719A (en) * 1996-12-17 2000-08-08 Exxon Research And Engineering Company Hydroconversion process for making lubicating oil basestocks

Also Published As

Publication number Publication date
US5411675A (en) 1995-05-02
EP0534436A1 (en) 1993-03-31
DE69212753D1 (de) 1996-09-19
EP0534436B1 (en) 1996-08-14
KR930006054A (ko) 1993-04-20
TW235299B (enExample) 1994-12-01

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Legal Events

Date Code Title Description
FZDE Discontinued