DE1543209C3 - - Google Patents

Info

Publication number
DE1543209C3
DE1543209C3 DE1543209A DE1543209A DE1543209C3 DE 1543209 C3 DE1543209 C3 DE 1543209C3 DE 1543209 A DE1543209 A DE 1543209A DE 1543209 A DE1543209 A DE 1543209A DE 1543209 C3 DE1543209 C3 DE 1543209C3
Authority
DE
Germany
Prior art keywords
acrylonitrile
polymerization
inhibitor
ppm
nitrosodiphenylamine
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.)
Expired
Application number
DE1543209A
Other languages
German (de)
English (en)
Other versions
DE1543209B2 (de
DE1543209A1 (de
Inventor
Raymond Alvin Dickinson Tex. Newsom (V.St.A.)
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of DE1543209A1 publication Critical patent/DE1543209A1/de
Publication of DE1543209B2 publication Critical patent/DE1543209B2/de
Application granted granted Critical
Publication of DE1543209C3 publication Critical patent/DE1543209C3/de
Granted legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)
DE19651543209 1964-06-22 1965-06-21 Verfahren zur inhibierung der polymerisation bei der destillation von acrylsaeurenitril Granted DE1543209B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US377059A US3267132A (en) 1964-06-22 1964-06-22 Nitroso compounds as inhibitors of polymerization of unsaturated nitriles

Publications (3)

Publication Number Publication Date
DE1543209A1 DE1543209A1 (de) 1969-07-31
DE1543209B2 DE1543209B2 (de) 1973-03-01
DE1543209C3 true DE1543209C3 (enExample) 1973-10-11

Family

ID=23487592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19651543209 Granted DE1543209B2 (de) 1964-06-22 1965-06-21 Verfahren zur inhibierung der polymerisation bei der destillation von acrylsaeurenitril

Country Status (5)

Country Link
US (1) US3267132A (enExample)
JP (1) JPS4826739B1 (enExample)
DE (1) DE1543209B2 (enExample)
FR (1) FR1498264A (enExample)
GB (1) GB1107825A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1518810C3 (de) * 1965-03-06 1975-02-20 Bayer Ag, 5090 Leverkusen Verfahren zur Stabilisierung von Acrylnitril
GB1445297A (en) * 1973-05-21 1976-08-11 Volgogradsky Politekh Inst Method of producing acrolein
JPS5729692B2 (enExample) * 1974-09-17 1982-06-24
GB1534132A (en) * 1975-12-11 1978-11-29 Polak Frutal Works Alpha beta-disubstituted conjugated nitriles for perfume use
US6685823B2 (en) * 2000-10-16 2004-02-03 Uniroyal Chemical Company, Inc. C-nitrosoaniline compounds and their blends as polymerization inhibitors
JP4248875B2 (ja) * 2000-10-16 2009-04-02 ケムチュア コーポレイション 重合抑制剤としての、キノンアルカイドとニトロキシル化合物の混合物
US7553896B2 (en) * 2005-06-17 2009-06-30 Chemtura Corporation Ortho-nitrosophenols as polymerization inhibitors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402806A (en) * 1944-03-02 1946-06-25 Monsanto Chemicals Inhibiting polymerization of vinyl compounds

Also Published As

Publication number Publication date
DE1543209B2 (de) 1973-03-01
GB1107825A (en) 1968-03-27
DE1543209A1 (de) 1969-07-31
FR1498264A (fr) 1967-10-20
JPS4826739B1 (enExample) 1973-08-15
US3267132A (en) 1966-08-16

Similar Documents

Publication Publication Date Title
DE2804449C2 (de) Verfahren zum Inhibieren der Polymerisation einer leicht polymerisierbaren aromatischen Vinylverbindung
DE2238295C3 (de) Verfahren zur Verhinderung der Polymerisation von Methacryloxypropyltrimethoxydilan während der Destillation
DE2235326A1 (de) Verfahren zur reinigung 1,2-ungesaettigter carbonsaeuren
DE1543209C3 (enExample)
DE3603450A1 (de) Verfahren zur reinigung von n-vinylformamid
DE1618901B2 (de) Verfahren zur trennung von acrylnitril und cyanwasserstoff
DE1593396A1 (de) Verfahren zum Stabilisieren von halogenierten Kohlenwasserstoffen,insbesondere chlorierten aliphatischen Kohlenwasserstoffen
EP0024534A1 (de) Gegen vorzeitige Polymerisation stabilisierte Monomere Acrylsäureester und Verfahren zu deren Stabilisierung
DE1518810C3 (de) Verfahren zur Stabilisierung von Acrylnitril
DE3837955C2 (enExample)
DE2502954C3 (de) Verfahren zur Inhibierung der Polymerisation von monomeren Acryl- und Methacrylsäureester!!
DE69605923T2 (de) Behandlungen zur inhibierung der polymerisation von vinylaromatischen monomeren
DE69001099T2 (de) Verfahren zum entfernen von mercaptanen.
DE2619906A1 (de) Verfahren zur hemmung der polymerisation von acrylsaeure und polymerisationsinhibitor zur durchfuehrung desselben
DE753211C (de) Verfahren zur Reinigung von Acrylsaeurenitril von polymerisationshemmenden Stoffen
EP0468303A1 (de) Verfahren zur Gewinnung von Carbonsäuren aus ihren wässrigen Lösungen
DE2115960A1 (de) Verfahren zum Stabilisieren von Vinylmonomeren zur Verhinderung der Polymerisation
DE2420968A1 (de) Mit alkylierten phenolen stabilisierte acrylsaeure
DE2449054C3 (de) Verfahren zur Inhibierung der Polymerisation von äthylenisch ungesättigten Monocarbonsäureestern
AT219279B (de) Verfahren zur Herstellung von hochmolekularen Formaldehydpolymeren
DE1272903B (de) Verfahren zur Reingewinnung von Thionylchlorid
DE1543996C3 (de) Verfahren zum Stabilisieren von Acrylsäure
DE1249846B (de) Verfahren zur Herstellung von monomerem Formaldehyd
DE2623463C3 (de) Verfahren zum Abtrennen von Formaldehyd aus Industrieabgasen
DE1235896B (de) Verfahren zur Herstellung primaerer oder sekundaerer Aminoalkylestersalze der Acryl-, Methacryl-, Croton-, Itacon- oder Fumarsaeure

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)