BR8807173A - Composicao e processo para prevencao de incrustacoes em reator - Google Patents
Composicao e processo para prevencao de incrustacoes em reatorInfo
- Publication number
- BR8807173A BR8807173A BR888807173A BR8807173A BR8807173A BR 8807173 A BR8807173 A BR 8807173A BR 888807173 A BR888807173 A BR 888807173A BR 8807173 A BR8807173 A BR 8807173A BR 8807173 A BR8807173 A BR 8807173A
- Authority
- BR
- Brazil
- Prior art keywords
- composition
- formaldehyde
- phenothiazine
- reactor
- solvent
- Prior art date
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
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
- C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
- C07D279/14—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems
- C07D279/18—[b, e]-condensed with two six-membered rings
- C07D279/20—[b, e]-condensed with two six-membered rings with hydrogen atoms directly attached to the ring nitrogen atom
-
- 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
- C08F2/005—Scale prevention in a polymerisation reactor or its auxiliary parts by addition of a scale inhibitor to the polymerisation medium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Materials For Medical Uses (AREA)
- Formation And Processing Of Food Products (AREA)
- Polymerisation Methods In General (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Polyurethanes Or Polyureas (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/079,315 US4855424A (en) | 1987-07-30 | 1987-07-30 | Phenothiazine derivatives |
US07/213,743 US4853446A (en) | 1987-07-30 | 1988-06-30 | Phenothiazine composition for use in reactor scale prevention |
PCT/US1988/002462 WO1989000993A1 (en) | 1987-07-30 | 1988-07-26 | Phenothiazine dimers and oligomers, process for preparing and use in reactor scale prevention |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8807173A true BR8807173A (pt) | 1989-10-03 |
Family
ID=26761858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR888807173A BR8807173A (pt) | 1987-07-30 | 1988-07-26 | Composicao e processo para prevencao de incrustacoes em reator |
Country Status (13)
Country | Link |
---|---|
US (1) | US4853446A (pt) |
EP (1) | EP0332666B1 (pt) |
JP (1) | JP2680394B2 (pt) |
KR (1) | KR960007168B1 (pt) |
CN (2) | CN1022627C (pt) |
AT (1) | ATE129705T1 (pt) |
AU (1) | AU618552B2 (pt) |
BR (1) | BR8807173A (pt) |
CA (1) | CA1307262C (pt) |
DE (1) | DE3854647T2 (pt) |
HU (1) | HU207725B (pt) |
NO (1) | NO177497C (pt) |
WO (1) | WO1989000993A1 (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5298578A (en) * | 1987-07-30 | 1994-03-29 | Occidental Chemical Corporation | Use of phenothiazine derivatives to inhibit scale build up during polymerization of vinyl chloride |
US5243000A (en) * | 1987-07-30 | 1993-09-07 | Occidental Chemical Corporation | Process for making polyvinyl chloride using phenothiazine oligomer |
JP3053212B2 (ja) * | 1989-04-27 | 2000-06-19 | オクシデンタル ケミカル コーポレイション | 重合反応器スケールの防止法 |
US5155148A (en) * | 1989-09-25 | 1992-10-13 | The Goodyear Tire & Rubber Company | Ester derivatives from p-hydroxydiphenylamine |
US6174986B1 (en) | 1996-12-20 | 2001-01-16 | Mitsui Chemicals, Inc. | Polymerization of vinyl chloride |
JP5247997B2 (ja) * | 2005-08-19 | 2013-07-24 | 東レ・ダウコーニング株式会社 | メタクリロキシ基またはアクリロキシ基含有有機ケイ素化合物の製造方法 |
US8148565B2 (en) | 2005-08-19 | 2012-04-03 | Dow Corning Toray Company, Ltd. | Method of manufacturing an organic silicon compound that contains a methacryloxy group or an acryloxy group |
EP2581421A1 (en) * | 2011-10-12 | 2013-04-17 | Ineos Europe AG | Additive |
JP6772103B2 (ja) * | 2017-04-12 | 2020-10-21 | 横河電機株式会社 | 重合抑制システム及び重合抑制方法 |
CN106986957A (zh) * | 2017-05-04 | 2017-07-28 | 宜宾天原集团股份有限公司 | 本体法聚氯乙烯防粘釜生产方法 |
KR20210006634A (ko) | 2019-07-09 | 2021-01-19 | 에스케이이노베이션 주식회사 | 윤활 조성물 및 이를 이용한 공중합체의 제조 방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US455834A (en) * | 1891-07-14 | Oliver swedberg and edward swedberg | ||
US3565834A (en) * | 1964-10-09 | 1971-02-23 | Basf Ag | Production of polyamide moldings |
JPS54141896A (en) * | 1978-04-26 | 1979-11-05 | Fuji Photo Film Co Ltd | Photoconductive polymeric material |
DE3111513A1 (de) * | 1981-03-24 | 1982-10-21 | Bayer Ag, 5090 Leverkusen | Neue stabilisatoren |
DE3127750A1 (de) * | 1981-07-14 | 1983-02-03 | Bayer Ag, 5090 Leverkusen | Stabilisatorhaltige reaktivkomponenten fuer pu-schaumstoffe, neue stabilisatoren und ein verfahren zur herstellung der stabilisatoren |
US4529500A (en) * | 1984-08-10 | 1985-07-16 | Atlantic Richfield | Method for minimizing fouling of heat exchanger |
-
1988
- 1988-06-30 US US07/213,743 patent/US4853446A/en not_active Expired - Lifetime
- 1988-07-26 JP JP63506726A patent/JP2680394B2/ja not_active Expired - Lifetime
- 1988-07-26 DE DE3854647T patent/DE3854647T2/de not_active Expired - Lifetime
- 1988-07-26 BR BR888807173A patent/BR8807173A/pt not_active IP Right Cessation
- 1988-07-26 EP EP88906688A patent/EP0332666B1/en not_active Expired - Lifetime
- 1988-07-26 WO PCT/US1988/002462 patent/WO1989000993A1/en active IP Right Grant
- 1988-07-26 AU AU22575/88A patent/AU618552B2/en not_active Ceased
- 1988-07-26 AT AT88906688T patent/ATE129705T1/de not_active IP Right Cessation
- 1988-07-26 HU HU884705A patent/HU207725B/hu unknown
- 1988-07-26 KR KR1019890700557A patent/KR960007168B1/ko not_active IP Right Cessation
- 1988-07-29 CA CA000573905A patent/CA1307262C/en not_active Expired - Lifetime
- 1988-07-30 CN CN88104758A patent/CN1022627C/zh not_active Expired - Lifetime
-
1989
- 1989-03-21 NO NO891237A patent/NO177497C/no not_active IP Right Cessation
-
1993
- 1993-01-05 CN CN93100468A patent/CN1039233C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE129705T1 (de) | 1995-11-15 |
AU2257588A (en) | 1989-03-01 |
EP0332666A4 (en) | 1989-05-30 |
JPH02500845A (ja) | 1990-03-22 |
KR960007168B1 (ko) | 1996-05-29 |
CN1039233C (zh) | 1998-07-22 |
US4853446A (en) | 1989-08-01 |
HUT49866A (en) | 1989-11-28 |
DE3854647T2 (de) | 1996-03-21 |
NO891237L (no) | 1989-04-06 |
AU618552B2 (en) | 1992-01-02 |
CN1031228A (zh) | 1989-02-22 |
EP0332666B1 (en) | 1995-11-02 |
JP2680394B2 (ja) | 1997-11-19 |
HU207725B (en) | 1993-05-28 |
DE3854647D1 (de) | 1995-12-07 |
NO177497C (no) | 1995-09-27 |
CN1022627C (zh) | 1993-11-03 |
KR890701573A (ko) | 1989-12-21 |
NO891237D0 (no) | 1989-03-21 |
EP0332666A1 (en) | 1989-09-20 |
WO1989000993A1 (en) | 1989-02-09 |
CN1079969A (zh) | 1993-12-29 |
NO177497B (no) | 1995-06-19 |
CA1307262C (en) | 1992-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR8807173A (pt) | Composicao e processo para prevencao de incrustacoes em reator | |
ES532782A0 (es) | Procedimiento para la preparacion de un componente de metal de transicion para un sistema catalitico de polimerizacion de olefinas | |
GB2069489A (en) | Process for separating ferric iron from chlorinated hydrocarbons | |
JPS5630449A (en) | Polypropylene composition | |
US4013580A (en) | Method of preventing formation of popcorn chloroprene polymer | |
ATE66006T1 (de) | Verfahren zur herstellung von polyolefinen durch polymerisation und katalysatoren dafuer. | |
ES2100864T3 (es) | Componentes cataliticos solidos para polimerizacion de alfa-olefinas. | |
EP0548641B1 (de) | Poly(meth)acrylimide | |
JPS51136625A (en) | Process for preparation of titanium double compound | |
KR830007738A (ko) | 아크성아미드계 양이온성 고분자 응릴제의 제조방법 | |
US2280818A (en) | Process for the catalytic production of olefin-sulphur dioxide compounds of high molecular weight | |
US2601659A (en) | Nitriles and preparation of the same | |
JPS60231879A (ja) | 塩素化炭化水素でポリエチレンポリアミンを脱色する方法 | |
ES554896A0 (es) | Procedimiento para preparar un componente de metal de transicion para un sistema catalitico de polimerizacion de olefinas. | |
JPS60226523A (ja) | 本質的に無色透明に近い硬質β‐ピネン樹脂の製造方法 | |
DE3722289C2 (de) | Verfahren zur Herstellung eines Polyactons einer Poly-Alpha-Hydroxyacrylsäure | |
US3644317A (en) | Process for the polymerization of vinyl chloride | |
US3903121A (en) | Telomers containing 1,3-dioxane, vinyl acetate, chlorine and vinyl alcohol | |
JPS55108828A (en) | Preparation of chlorination product and ethyl benzene | |
US3126408A (en) | Transmission in percent | |
JPS59112947A (ja) | 4−ニトロジフエニルアミンの製法 | |
US2926205A (en) | Production of chloroprene | |
US3068230A (en) | Method for removing color-forming bodies from n-alkylmorpholines | |
DE69005000D1 (de) | Verfahren zur Herstellung von Acrylsäurechlorid. | |
DE2812348C2 (pt) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 30/05/2010 |