PT74637B - Method for preventing polymer scale deposition in the polymerization of ethylenically unsaturated monomers - Google Patents
Method for preventing polymer scale deposition in the polymerization of ethylenically unsaturated monomersInfo
- Publication number
- PT74637B PT74637B PT74637A PT7463782A PT74637B PT 74637 B PT74637 B PT 74637B PT 74637 A PT74637 A PT 74637A PT 7463782 A PT7463782 A PT 7463782A PT 74637 B PT74637 B PT 74637B
- Authority
- PT
- Portugal
- Prior art keywords
- polymerization
- ethylenically unsaturated
- unsaturated monomers
- polymer scale
- scale deposition
- Prior art date
Links
- 230000008021 deposition Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000178 monomer Substances 0.000 title 1
- 229920000642 polymer Polymers 0.000 title 1
- 238000006116 polymerization reaction Methods 0.000 title 1
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
- 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)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56042020A JPS6030681B2 (ja) | 1981-03-23 | 1981-03-23 | エチレン性二重結合を有する単量体の重合方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT74637A PT74637A (en) | 1982-04-01 |
| PT74637B true PT74637B (en) | 1983-10-20 |
Family
ID=12624480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT74637A PT74637B (en) | 1981-03-23 | 1982-03-23 | Method for preventing polymer scale deposition in the polymerization of ethylenically unsaturated monomers |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4528336A (pt) |
| EP (1) | EP0062230A3 (pt) |
| JP (1) | JPS6030681B2 (pt) |
| BR (1) | BR8201585A (pt) |
| CA (1) | CA1203346A (pt) |
| DK (1) | DK126482A (pt) |
| ES (1) | ES8306510A1 (pt) |
| IN (1) | IN157650B (pt) |
| MX (1) | MX159231A (pt) |
| NO (1) | NO163860C (pt) |
| PT (1) | PT74637B (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6072902A (ja) * | 1983-09-30 | 1985-04-25 | Shin Etsu Chem Co Ltd | 重合体スケ−ル付着防止方法および重合体スケ−ル付着防止剤 |
| EP0372996B1 (en) * | 1988-12-09 | 1995-02-15 | Shin-Etsu Chemical Co., Ltd. | Method of preventing polymer scale deposition in a polymerization vessel |
| EP0534434B1 (en) * | 1991-09-24 | 1996-12-11 | Shin-Etsu Chemical Co., Ltd. | Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel |
| EP0538801A1 (en) * | 1991-10-21 | 1993-04-28 | Shin-Etsu Chemical Co., Ltd. | Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel |
| US5229076A (en) * | 1992-05-08 | 1993-07-20 | Fagher Richard H | Method for reducing polymer build-up in a polymerization reactor |
| DE102015202580A1 (de) * | 2015-02-12 | 2016-08-18 | Wacker Chemie Ag | Verfahren zur Polymerisation von ethylenisch ungesättigten Monomeren |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE756008A (en) * | 1970-09-10 | 1971-03-10 | Shinetsu Chemical Co | Suspension polymerisation of vinyl chloride - by method to prevent adherence of the |
| US4024330A (en) * | 1975-04-08 | 1977-05-17 | The B. F. Goodrich Company | Internally coated reaction vessel and process for coating the same |
| US4024301A (en) * | 1975-05-02 | 1977-05-17 | The B. F. Goodrich Company | Internally coated reaction vessel for use in olefinic polymerization |
| US4220743A (en) * | 1977-03-08 | 1980-09-02 | Ici Australia Limited | Process for aqueous dispersion polymerization of vinyl halide monomers in coated reactor |
| US4355141A (en) * | 1981-05-20 | 1982-10-19 | Mitsui Toatsu Chemical, Inc. | Polymerizing vinyl chloride in reactor treated with condensates |
-
1981
- 1981-03-23 JP JP56042020A patent/JPS6030681B2/ja not_active Expired
-
1982
- 1982-03-19 MX MX191890A patent/MX159231A/es unknown
- 1982-03-22 DK DK126482A patent/DK126482A/da not_active Application Discontinuation
- 1982-03-22 NO NO820921A patent/NO163860C/no unknown
- 1982-03-22 BR BR8201585A patent/BR8201585A/pt not_active IP Right Cessation
- 1982-03-23 IN IN328/CAL/82A patent/IN157650B/en unknown
- 1982-03-23 PT PT74637A patent/PT74637B/pt not_active IP Right Cessation
- 1982-03-23 ES ES510688A patent/ES8306510A1/es not_active Expired
- 1982-03-23 US US06/361,040 patent/US4528336A/en not_active Expired - Lifetime
- 1982-03-23 CA CA000399193A patent/CA1203346A/en not_active Expired
- 1982-03-23 EP EP82102422A patent/EP0062230A3/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DK126482A (da) | 1982-09-24 |
| PT74637A (en) | 1982-04-01 |
| EP0062230A3 (en) | 1983-02-23 |
| NO163860B (no) | 1990-04-23 |
| NO820921L (no) | 1982-09-24 |
| IN157650B (pt) | 1986-05-10 |
| MX159231A (es) | 1989-05-08 |
| EP0062230A2 (en) | 1982-10-13 |
| ES510688A0 (es) | 1983-06-01 |
| JPS6030681B2 (ja) | 1985-07-18 |
| BR8201585A (pt) | 1983-02-22 |
| CA1203346A (en) | 1986-04-15 |
| ES8306510A1 (es) | 1983-06-01 |
| NO163860C (no) | 1990-08-01 |
| US4528336A (en) | 1985-07-09 |
| JPS57155201A (en) | 1982-09-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19990430 |