NZ240314A - Polymer scale preventative comprising a nitrogenous compound having at least 5 continuous conjugated 0,) bonds, an anionic compound and a polyvinylpyrrolidone; apparatus and polymerisation process - Google Patents
Polymer scale preventative comprising a nitrogenous compound having at least 5 continuous conjugated 0,) bonds, an anionic compound and a polyvinylpyrrolidone; apparatus and polymerisation processInfo
- Publication number
- NZ240314A NZ240314A NZ240314A NZ24031491A NZ240314A NZ 240314 A NZ240314 A NZ 240314A NZ 240314 A NZ240314 A NZ 240314A NZ 24031491 A NZ24031491 A NZ 24031491A NZ 240314 A NZ240314 A NZ 240314A
- Authority
- NZ
- New Zealand
- Prior art keywords
- compound
- polyvinylpyrrolidone
- bonds
- polymerisation process
- polymer scale
- Prior art date
Links
- 150000001449 anionic compounds Chemical class 0.000 title 1
- -1 nitrogenous compound Chemical class 0.000 title 1
- 229920000642 polymer Polymers 0.000 title 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 title 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 title 1
- 239000001267 polyvinylpyrrolidone Substances 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
- C08F8/00—Chemical modification by after-treatment
-
- 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)
- General Chemical & Material Sciences (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28455990 | 1990-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ240314A true NZ240314A (en) | 1992-11-25 |
Family
ID=17680030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ240314A NZ240314A (en) | 1990-10-23 | 1991-10-22 | Polymer scale preventative comprising a nitrogenous compound having at least 5 continuous conjugated 0,) bonds, an anionic compound and a polyvinylpyrrolidone; apparatus and polymerisation process |
Country Status (14)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102018279B1 (ko) * | 2017-03-23 | 2019-09-04 | 에스케이이노베이션 주식회사 | 파울링 방지제 및 이를 이용한 올레핀의 올리고머화 방법 |
| CN110220069B (zh) * | 2019-06-04 | 2020-07-03 | 珠海格力电器股份有限公司 | 一种具有自清洁表面的水道及其自清洁方法与电器 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213592A (en) * | 1975-07-23 | 1977-02-01 | Shin Etsu Chem Co Ltd | Polymerization of vinyl chloride |
| JPS548690A (en) * | 1977-06-20 | 1979-01-23 | Goodrich Co B F | Method of preventing polymer from adhering on inner surface of polymerization reactor |
| 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 |
| JPS6131406A (ja) * | 1984-07-23 | 1986-02-13 | Shin Etsu Chem Co Ltd | 塩化ビニル系重合体の製造方法 |
| JPS6134006A (ja) * | 1984-07-26 | 1986-02-18 | Shin Etsu Chem Co Ltd | 塩化ビニル系重合体の製造方法 |
| JPS6151002A (ja) * | 1984-08-17 | 1986-03-13 | Shin Etsu Chem Co Ltd | ビニル系重合体の製法 |
| MX170464B (es) * | 1988-08-19 | 1993-08-23 | Shinetsu Chemical Co | Metodo paa prevenir la formacion de escamas |
-
1991
- 1991-10-21 CA CA002053827A patent/CA2053827A1/en not_active Abandoned
- 1991-10-22 MX MX9101702A patent/MX174464B/es not_active IP Right Cessation
- 1991-10-22 CN CN91111081A patent/CN1061977A/zh active Pending
- 1991-10-22 HU HU913322A patent/HU211784B/hu not_active IP Right Cessation
- 1991-10-22 ES ES91118010T patent/ES2069796T3/es not_active Expired - Lifetime
- 1991-10-22 JP JP3302285A patent/JP2627031B2/ja not_active Expired - Fee Related
- 1991-10-22 EP EP91118010A patent/EP0482593B1/en not_active Expired - Lifetime
- 1991-10-22 TW TW080108304A patent/TW202457B/zh active
- 1991-10-22 PL PL91292132A patent/PL168593B1/pl unknown
- 1991-10-22 NZ NZ240314A patent/NZ240314A/xx unknown
- 1991-10-22 AU AU86047/91A patent/AU637531B2/en not_active Ceased
- 1991-10-22 DE DE69106665T patent/DE69106665T2/de not_active Expired - Fee Related
- 1991-10-22 PT PT99302A patent/PT99302B/pt not_active IP Right Cessation
- 1991-10-23 KR KR1019910018642A patent/KR920008082A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ES2069796T3 (es) | 1995-05-16 |
| CA2053827A1 (en) | 1992-04-24 |
| HU913322D0 (en) | 1992-01-28 |
| PL292132A1 (en) | 1992-07-13 |
| EP0482593A1 (en) | 1992-04-29 |
| AU8604791A (en) | 1992-04-30 |
| KR920008082A (ko) | 1992-05-27 |
| JPH055002A (ja) | 1993-01-14 |
| AU637531B2 (en) | 1993-05-27 |
| PT99302B (pt) | 1999-04-30 |
| PL168593B1 (pl) | 1996-03-29 |
| DE69106665T2 (de) | 1995-07-20 |
| PT99302A (pt) | 1992-09-30 |
| EP0482593B1 (en) | 1995-01-11 |
| HU211784B (en) | 1995-12-28 |
| JP2627031B2 (ja) | 1997-07-02 |
| MX174464B (es) | 1994-05-17 |
| DE69106665D1 (de) | 1995-02-23 |
| HUT62018A (en) | 1993-03-29 |
| CN1061977A (zh) | 1992-06-17 |
| TW202457B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-03-21 |
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