BR9901816A - Processo para inibição da formação de polìmero de estireno. - Google Patents

Processo para inibição da formação de polìmero de estireno.

Info

Publication number
BR9901816A
BR9901816A BR9901816-0A BR9901816A BR9901816A BR 9901816 A BR9901816 A BR 9901816A BR 9901816 A BR9901816 A BR 9901816A BR 9901816 A BR9901816 A BR 9901816A
Authority
BR
Brazil
Prior art keywords
inhibiting
formation
styrene polymer
styrene
stylene
Prior art date
Application number
BR9901816-0A
Other languages
English (en)
Inventor
Zara Hyde
Vicente Edward Lewis
Original Assignee
Nalco Exxon Energy Chem Lp
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 Nalco Exxon Energy Chem Lp filed Critical Nalco Exxon Energy Chem Lp
Publication of BR9901816A publication Critical patent/BR9901816A/pt

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
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • C08F2/40—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation using retarding agents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/20—Use of additives, e.g. for stabilisation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/09—Plural feed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymerisation Methods In General (AREA)
  • Hydrogenated Pyridines (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

"PROCESSO PARA INIBIçãO DA FORMAçãO DE POLìMERO NUM PROCESSO DE ESTIRENO". A performance de inibição é melhorada no processamento de estireno pela adição de um composto estável de radical livre de nitróxido à alimentação de estireno e ao refluxo de pelo menos uma coluna.
BR9901816-0A 1998-06-10 1999-06-09 Processo para inibição da formação de polìmero de estireno. BR9901816A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/095,426 US5910232A (en) 1998-06-10 1998-06-10 Method for inhibiting polymer formation in styrene processing

Publications (1)

Publication Number Publication Date
BR9901816A true BR9901816A (pt) 2000-02-01

Family

ID=22251962

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9901816-0A BR9901816A (pt) 1998-06-10 1999-06-09 Processo para inibição da formação de polìmero de estireno.

Country Status (9)

Country Link
US (1) US5910232A (pt)
EP (1) EP0963971B1 (pt)
JP (1) JPH11349498A (pt)
KR (1) KR100641782B1 (pt)
AR (1) AR019069A1 (pt)
BR (1) BR9901816A (pt)
CA (1) CA2272973C (pt)
DE (1) DE69900426T2 (pt)
PL (1) PL192316B1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6409887B1 (en) 1996-07-15 2002-06-25 Aah Marks And Company Limited Polymerization inhibitor
DE69710163T2 (de) * 1996-12-02 2002-10-02 Ondeo Nalco Energy Serv Lp Hemmung der Polymerisation von vinylaromatischen Monomeren
BR9913523A (pt) * 1998-09-09 2001-06-05 Baker Hughes Inc Inibição de polimerização de monÈmero estireno utilizando dihidroxiarenos e nitróxidos substituìdos
MXPA02005502A (es) * 1999-12-03 2002-09-02 Uniroyal Chem Co Inc Composicion y metodo para inhibir polimerizacion y crecimiento de polimero.
US6403850B1 (en) * 2000-01-18 2002-06-11 Uniroyal Chemical Company, Inc. Inhibition of polymerization of unsaturated monomers
US6344560B1 (en) 2000-05-03 2002-02-05 Uniroyal Chemical Company, Inc. Nitroaromatic solubilizer for nitroxyls in aromatic solvents
US7045647B2 (en) 2000-10-16 2006-05-16 Uniroyal Chemical Company, Inc. Blends of quinone alkide and nitroxyl compounds and polymerization inhibitors
US6685823B2 (en) 2000-10-16 2004-02-03 Uniroyal Chemical Company, Inc. C-nitrosoaniline compounds and their blends as polymerization inhibitors
US7553896B2 (en) * 2005-06-17 2009-06-30 Chemtura Corporation Ortho-nitrosophenols as polymerization inhibitors
US8771476B2 (en) * 2009-07-17 2014-07-08 Gtc Technology Lp Methods for inhibiting polymerization of vinyl aromatic compounds during extractive distillation
CA2857550C (en) * 2011-12-02 2017-02-28 Dorf Ketal Chemicals (India) Private Limited Amine and nitroxide based additive composition for control and inhibition of polymerization of styrene, and method of use thereof
CN103360200B (zh) * 2012-03-30 2016-01-13 中国石油化工股份有限公司 一种从烃类混合物中萃取精馏回收苯乙烯的复合溶剂及方法
CN107473923A (zh) * 2016-06-07 2017-12-15 中国石油化工股份有限公司 用于苯乙烯精馏的阻聚剂及其制备工艺
CN115463549A (zh) * 2022-08-25 2022-12-13 万华化学集团股份有限公司 一种抗生物污染的膜元件进水流道网的制备方法及应用

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964978A (en) * 1974-12-09 1976-06-22 Cosden Technology, Inc. NO2 polymerization inhibitor for vinyl aromatic compound distillation
BE875237R (fr) * 1978-07-18 1979-07-16 Cosden Technology Procede pour inhiber la polymerisation de composes vinylaromatiques facilement polymerisables
US4466905A (en) * 1983-04-11 1984-08-21 Cosden Technology, Inc. Polymerization inhibition process for vinyl aromatic compounds
US4670131A (en) * 1986-01-13 1987-06-02 Exxon Chemical Patents Inc. Method for controlling fouling of hydrocarbon compositions containing olefinic compounds
US5312952A (en) * 1992-04-23 1994-05-17 Uniroyal Chemical Company, Inc. Polymerization inhibitor for vinyl aromatics
US5254760A (en) * 1992-07-29 1993-10-19 Ciba-Geigy Corporation Inhibiting polymerization of vinyl aromatic monomers
US5648574A (en) * 1992-10-21 1997-07-15 Betzdearborn Inc. Compositions and methods for inhibiting vinyl aromatic monomer polymerization
CA2099168A1 (en) * 1992-10-21 1994-04-22 Betzdearborn Inc. Compositions and methods for inhibiting styrene polymerization
US5824829A (en) * 1993-12-16 1998-10-20 Baker Hughes Incorporated Hydrocarbon viscosity inhibitor and inhibiting method
US5733988A (en) * 1994-06-29 1998-03-31 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerizations employing butadiene, isoprene, and/or styrene
US5545786C1 (en) * 1994-11-28 2001-10-16 Ciba Geigy Corp Method for inhibiting premature polymerization of vinyl aromatic monomers
DE69710163T2 (de) * 1996-12-02 2002-10-02 Ondeo Nalco Energy Serv Lp Hemmung der Polymerisation von vinylaromatischen Monomeren
US5844025A (en) * 1996-12-02 1998-12-01 Ciba Specialty Chemicals Corporation 1,2-Bis-adducts of stable nitroxides with substituted ethylenes and stabilized compositions

Also Published As

Publication number Publication date
DE69900426T2 (de) 2002-06-27
EP0963971A1 (en) 1999-12-15
PL333168A1 (en) 1999-12-20
DE69900426D1 (de) 2001-12-13
JPH11349498A (ja) 1999-12-21
AR019069A1 (es) 2001-12-26
CA2272973C (en) 2008-12-02
PL192316B1 (pl) 2006-09-29
KR20000006016A (ko) 2000-01-25
EP0963971B1 (en) 2001-11-07
US5910232A (en) 1999-06-08
CA2272973A1 (en) 1999-12-10
KR100641782B1 (ko) 2006-11-02

Similar Documents

Publication Publication Date Title
BR9901816A (pt) Processo para inibição da formação de polìmero de estireno.
FI940012A0 (fi) Aryylisulfonamidosubstituoidut hydroksaamihapot
BR0113218A (pt) Uso de trioxepanos em processos para a fabricação de resinas acrìlicas,estirênicas e do tipo ldpe, de alto teor de sólidos
BR9301412A (pt) Processo para a sintese de um polimero de poliisopreno semelhante a borracha
NO976007D0 (no) Polymer manokomposittdannelse ved emulsjonsyntese
CA2101359A1 (en) Inhibiting polymerization of vinyl aromatic monomers
BR9104448A (pt) Processo para a sintese de um copolimero de isopreno-butadieno com alto teor de vinila
ZA902997B (en) Process for the preparation of 2-(2',4'-dihydroxyphenyl)-4,6-diaryl-s-triazines
PT101169A (pt) Processo para a preparacao de 4,5-di-hidrogeldanamicina e sua hidroquinona, hidroquinona obtida e composicao contendo um destes compostos
KR870003974A (ko) 비시클로 치환된 페닐아세토니트릴 유도체
OA09770A (fr) "Dérivés de benzèneacétamide inhibiteurs du VIH".
BR9307696A (pt) Catalisador e processo para uma polimeração ziegler
BR9200713A (pt) Composicao,processo para estabilizar polimeros organicos,processo para a preparacao de compostos e compostos optido
ITRM920869A0 (it) Medicamenti per trattare condizioni infiammatorie o per analgesia.
BR9803472A (pt) Processo para inibir a polimerização de um composto vinil aromático durante a destilação do composto vinil aromático.
BR9806321A (pt) Processo e composição para inibir a polimerização durante a produção anaeróbica de estireno.
BR9104888A (pt) Inibidor e processo para inibicao de polimerizacao de um composto vinila
FI942852A0 (fi) Stabiloituja polymeerikoostumuksia
FI870090A0 (fi) Laongkedjade alkylresorcinolfosfiter.
BR0112727A (pt) Inibidor da polimerização para materiais contendo vinila
EE9800195A (et) Uudsed analgeetilise toimega ühendid
BR9911006A (pt) Purificação de carboxaldeìdo
BR9408195A (pt) Conjugados de hirudina formados de uma hirudina e um ou vários compostos lipófilos e processo para a produção de conjugados de hirudina
NO980376D0 (no) Rengjörende blanding omfattende en alifatisk hydrokarbonforbindelse med minst to aromatiske substituenter
FR2663586B1 (fr) Procedes pour proteger et pour accroitre la longevite d'une piece de bois a utilisation aquatique, et pieu mytilicole obtenu par ce procede.

Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired