CH492748A - Procédé de préparation de polymères de l'oxyméthylène par polymérisation cationique - Google Patents

Procédé de préparation de polymères de l'oxyméthylène par polymérisation cationique

Info

Publication number
CH492748A
CH492748A CH1243867A CH1243867A CH492748A CH 492748 A CH492748 A CH 492748A CH 1243867 A CH1243867 A CH 1243867A CH 1243867 A CH1243867 A CH 1243867A CH 492748 A CH492748 A CH 492748A
Authority
CH
Switzerland
Prior art keywords
trioxane
antimony
catalyst
oxymethylene
triphenylmethyl
Prior art date
Application number
CH1243867A
Other languages
English (en)
French (fr)
Inventor
Anthony De Fazio Charles
Burton Price Martin
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of CH492748A publication Critical patent/CH492748A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/18Copolymerisation of aldehydes or ketones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0231Halogen-containing compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0272Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/90Antimony compounds
    • C07F9/902Compounds without antimony-carbon linkages
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/06Catalysts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/10Polymerisation of cyclic oligomers of formaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyethers (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
CH1243867A 1966-09-16 1967-09-06 Procédé de préparation de polymères de l'oxyméthylène par polymérisation cationique CH492748A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57985766A 1966-09-16 1966-09-16

Publications (1)

Publication Number Publication Date
CH492748A true CH492748A (fr) 1970-06-30

Family

ID=24318635

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1243867A CH492748A (fr) 1966-09-16 1967-09-06 Procédé de préparation de polymères de l'oxyméthylène par polymérisation cationique

Country Status (10)

Country Link
AT (1) AT276757B (pl)
BE (1) BE703582A (pl)
CH (1) CH492748A (pl)
DE (1) DE1720409A1 (pl)
ES (1) ES344669A1 (pl)
GB (1) GB1187233A (pl)
IL (1) IL28509A (pl)
LU (1) LU54309A1 (pl)
NL (1) NL6712302A (pl)
SE (1) SE352645B (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1054861B (de) * 1956-06-22 1959-04-09 Opel Adam Ag Lagerschmierung fuer die Welle des Antriebsritzels bei Kegel- und Kegelschraubgetrieben, insbesondere in Vorderachsgetrieben von Kraftfahrzeugen
DE10215978A1 (de) 2002-04-11 2003-10-23 Basf Ag Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren
DE10215973A1 (de) * 2002-04-11 2003-10-23 Basf Ag Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren II
DE102009014316B4 (de) 2009-03-25 2019-03-14 Sew-Eurodrive Gmbh & Co Kg Getriebe
DE102009014317A1 (de) 2009-03-25 2010-10-07 Sew-Eurodrive Gmbh & Co. Kg Getriebe
DE102009014315B4 (de) 2009-03-25 2018-01-25 Sew-Eurodrive Gmbh & Co Kg Getriebe
DE102009061042B4 (de) 2009-03-25 2024-11-14 Sew-Eurodrive Gmbh & Co Kg Zumindest teilweise mit Öl befülltes Getriebe

Also Published As

Publication number Publication date
BE703582A (pl) 1968-03-07
GB1187233A (en) 1970-04-08
LU54309A1 (pl) 1967-12-07
AT276757B (de) 1969-12-10
IL28509A (en) 1971-05-26
ES344669A1 (es) 1968-10-16
NL6712302A (pl) 1968-03-18
DE1720409A1 (de) 1971-06-16
SE352645B (pl) 1973-01-08

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Legal Events

Date Code Title Description
PL Patent ceased