FR2448522A1 - Procede pour stabiliser les aldehydes contre la trimerisation cyclisante ou la polymerisation et l'autocondensation - Google Patents

Procede pour stabiliser les aldehydes contre la trimerisation cyclisante ou la polymerisation et l'autocondensation

Info

Publication number
FR2448522A1
FR2448522A1 FR8002487A FR8002487A FR2448522A1 FR 2448522 A1 FR2448522 A1 FR 2448522A1 FR 8002487 A FR8002487 A FR 8002487A FR 8002487 A FR8002487 A FR 8002487A FR 2448522 A1 FR2448522 A1 FR 2448522A1
Authority
FR
France
Prior art keywords
trimerization
condensation
polymerization
self
stabilizing
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.)
Granted
Application number
FR8002487A
Other languages
English (en)
Other versions
FR2448522B1 (fr
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.)
Ruhrchemie AG
Original Assignee
Ruhrchemie AG
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
Priority claimed from DE19792905267 external-priority patent/DE2905267C2/de
Priority claimed from DE19792917789 external-priority patent/DE2917789C2/de
Application filed by Ruhrchemie AG filed Critical Ruhrchemie AG
Publication of FR2448522A1 publication Critical patent/FR2448522A1/fr
Application granted granted Critical
Publication of FR2448522B1 publication Critical patent/FR2448522B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/86—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polymerisation Methods In General (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

PROCEDE POUR STABILISER LES ALDEHYDES EN C-C CONTRE LA TRIMERISATION CYCLISANTE OU LA POLYMERISATION ET L'AUTOCONDENSATION. ON LEUR AJOUTE DE LA TRIETHANOLAMINE OU DE LA DIMETHYLETHANOLAMINE EN QUANTITE DE 10 A 150PPM.
FR8002487A 1979-02-12 1980-02-05 Procede pour stabiliser les aldehydes contre la trimerisation cyclisante ou la polymerisation et l'autocondensation Granted FR2448522A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792905267 DE2905267C2 (de) 1979-02-12 1979-02-12 Verfahren zur Stabilisierung von Isobutyraldehyd
DE19792917789 DE2917789C2 (de) 1979-05-03 1979-05-03 Verfahren zur Stabilisierung von Aldehyden

Publications (2)

Publication Number Publication Date
FR2448522A1 true FR2448522A1 (fr) 1980-09-05
FR2448522B1 FR2448522B1 (fr) 1985-05-17

Family

ID=25777752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8002487A Granted FR2448522A1 (fr) 1979-02-12 1980-02-05 Procede pour stabiliser les aldehydes contre la trimerisation cyclisante ou la polymerisation et l'autocondensation

Country Status (9)

Country Link
US (1) US4414419A (fr)
AT (1) AT372369B (fr)
CA (1) CA1119196A (fr)
FR (1) FR2448522A1 (fr)
GB (1) GB2042536B (fr)
IT (1) IT1145261B (fr)
NL (1) NL180503C (fr)
RO (1) RO79125A (fr)
SE (1) SE435924B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0320728A2 (fr) * 1987-12-12 1989-06-21 Hoechst Aktiengesellschaft Procédé pour la stabilisation d'aldéhydes
WO1993013059A1 (fr) * 1991-12-26 1993-07-08 Rhodia S/A. Composition de stabilisation d'aldehydes s-stabilises, procede de stabilisation d'aldehydes et aldehydes stabilises

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568771A (en) * 1984-01-13 1986-02-04 Shin-Etsu Chemical Co., Ltd. Method for stabilizing aliphatic higher aldehyde compounds
US4599456A (en) * 1984-12-20 1986-07-08 Phillips Petroleum Company Novel aldehyde-phosphine compositions and uses therefor
DE4332586A1 (de) * 1993-09-24 1995-03-30 Degussa Mittel zum Dotieren wäßriger Systeme mit Acrolein
DE10060755A1 (de) 2000-12-07 2002-06-20 Haarmann & Reimer Gmbh Verfahren zur Stabilisierung von Phenylacetaldehyd
BR112022009988A2 (pt) 2019-11-27 2022-08-16 Int Flavors & Fragrances Inc Formulação de fragrância, método de aprimoramento, produto de fragrância, e, composto

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562334A (en) * 1964-09-21 1971-02-09 Fmc Corp Production of stable dichloroacetaldehyde

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2237092A (en) * 1939-11-28 1941-04-01 American Cyanamid Co Stabilization of formaldehyde solutions
US3168573A (en) * 1961-06-02 1965-02-02 Commercial Solvents Corp Stabilized formaldehyde solutions
US3257162A (en) * 1961-12-12 1966-06-21 Omega Chemicals Corp Inhibition of volatilization of aqueous organic mixtures
BE757255A (fr) * 1969-05-21 1971-03-16 Standard Oil Co Isolement du p-xylene.
US3849498A (en) * 1970-12-26 1974-11-19 Nippon Zeon Co Method of preventing the polymerization of unsaturated aldehyde

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562334A (en) * 1964-09-21 1971-02-09 Fmc Corp Production of stable dichloroacetaldehyde

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/79 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0320728A2 (fr) * 1987-12-12 1989-06-21 Hoechst Aktiengesellschaft Procédé pour la stabilisation d'aldéhydes
EP0320728A3 (fr) * 1987-12-12 1989-10-04 Hoechst Aktiengesellschaft Procédé pour la stabilisation d'aldéhydes
WO1993013059A1 (fr) * 1991-12-26 1993-07-08 Rhodia S/A. Composition de stabilisation d'aldehydes s-stabilises, procede de stabilisation d'aldehydes et aldehydes stabilises

Also Published As

Publication number Publication date
IT8047868A0 (it) 1980-02-11
IT1145261B (it) 1986-11-05
RO79125A (fr) 1982-07-06
SE8000914L (sv) 1980-08-13
FR2448522B1 (fr) 1985-05-17
SE435924B (sv) 1984-10-29
GB2042536B (en) 1983-01-12
US4414419A (en) 1983-11-08
GB2042536A (en) 1980-09-24
NL180503B (nl) 1986-10-01
AT372369B (de) 1983-09-26
ATA61880A (de) 1983-02-15
NL8000550A (nl) 1980-08-14
CA1119196A (fr) 1982-03-02
NL180503C (nl) 1987-03-02

Similar Documents

Publication Publication Date Title
FR2300772A1 (fr) Procede pour la polymerisation ou la copolymerisation d'a-olefines
PT64985B (fr) Procede pour la polymerisation d'olephines
MA21184A1 (fr) Procede de preparation de l'errantiomere dextrogyre de l'alpha-(tetrahydro-4,5,6,7thiero(3,2-c)pyridyl-5)(chloro-2 phenyl)-acetate de methyle.
FR2458561B1 (fr) Procede pour la polymerisation d'ethylene
EP0006686A3 (en) Linear polyesters, a process for their preparation, and the compound 3,6-bis(hydroxyethoxy)xanth-9-one
IT1113713B (it) Procedimento per la preparazione di derivati di acidi deidrociclimminici dotati di proprieta' ipotensive e prodotto ottenuto
FR2332274A1 (fr) Procede de preparation de polyisocyanates portant des groupes isocyanurate, produits obtenus, et leur utilisation dans la preparation de resines synthetiques de polyurethannes
BE856854A (fr) Nouveaux oligomeres tensio-actifs sequences, procede pour les preparer et composition les contenant
FR2448522A1 (fr) Procede pour stabiliser les aldehydes contre la trimerisation cyclisante ou la polymerisation et l'autocondensation
BE841838A (fr) Procede d'elimination en continu de monomeres contenus dans des dispersions aqueuses de polymeres
ZA815709B (en) Process for reducing the caking and dusting tendencies of urea granules as well as urea granules obtained by this process
BE875237R (fr) Procede pour inhiber la polymerisation de composes vinylaromatiques facilement polymerisables
MA21204A1 (fr) Nouveau derive d'azole, procede pour le preparer et composition chimique pour l'agriculture et l'horticulture le contenant.
FR2509736B1 (fr) Procede continu de copolymerisation sequencee en phase vapeur pour la production de polymeres ethylene-propylene, et produit obtenu
GB1297080A (fr)
DK274983D0 (da) Polymere af umaette syrer samt fremgangsmade til fremstilling deraf
IE42226L (en) Cheese product.
BE883309A (fr) Procede pour la preparation de polymeres greffes de beta-propiolactones alpha, alpha' -disubstituees
CH549606A (fr) Procede de polymerisation en masse de l'ethylene, de ses derives substitues et de ses homologues.
BE896629A (fr) Derives d'acide carbazique, procede pour leur preparation et compositions les contenant.
DE2964015D1 (en) Process for the preparation of r.s. 5-p-hydroxyphenyl-2,4-imidazolidine dione or r.s. 5-p-hydroxyphenyl hydantoin
BE891532A (fr) Procede de preparation d'ethyleneglycol et de ses ethers, et produits ainsi obtenus
BE841663A (fr) Procede de preparation de colles ou resines d'ureeformaldehyde et produits obtenus par la mise en oeuvre de ce procede
BE869436A (fr) Procede de preparation de resines durcissables d'uree-formaldehyde, et produits obtenus.
JPS5476564A (en) Indane derivative