FR2336426A1 - Procede pour ameliorer la stabilite d'homopolymeres etherifies d'acetal - Google Patents

Procede pour ameliorer la stabilite d'homopolymeres etherifies d'acetal

Info

Publication number
FR2336426A1
FR2336426A1 FR7638576A FR7638576A FR2336426A1 FR 2336426 A1 FR2336426 A1 FR 2336426A1 FR 7638576 A FR7638576 A FR 7638576A FR 7638576 A FR7638576 A FR 7638576A FR 2336426 A1 FR2336426 A1 FR 2336426A1
Authority
FR
France
Prior art keywords
etherified
acetal
homopolymers
stability
improving
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
FR7638576A
Other languages
English (en)
French (fr)
Other versions
FR2336426B1 (2
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.)
Societa Italiana Resine SpA SIR
Original Assignee
Societa Italiana Resine SpA SIR
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 Societa Italiana Resine SpA SIR filed Critical Societa Italiana Resine SpA SIR
Publication of FR2336426A1 publication Critical patent/FR2336426A1/fr
Application granted granted Critical
Publication of FR2336426B1 publication Critical patent/FR2336426B1/fr
Granted legal-status Critical Current

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
    • C08G2/30Chemical modification by after-treatment
    • C08G2/36Chemical modification by after-treatment by depolymerisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR7638576A 1975-12-23 1976-12-21 Procede pour ameliorer la stabilite d'homopolymeres etherifies d'acetal Granted FR2336426A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3068675A IT1051892B (it) 1975-12-23 1975-12-23 Procedimento per migliorare la stabilita degli omopolimeri acetalici eterificati

Publications (2)

Publication Number Publication Date
FR2336426A1 true FR2336426A1 (fr) 1977-07-22
FR2336426B1 FR2336426B1 (2) 1981-06-12

Family

ID=11230962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7638576A Granted FR2336426A1 (fr) 1975-12-23 1976-12-21 Procede pour ameliorer la stabilite d'homopolymeres etherifies d'acetal

Country Status (4)

Country Link
CA (1) CA1105188A (2)
FR (1) FR2336426A1 (2)
GB (1) GB1524410A (2)
IT (1) IT1051892B (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0088541A3 (en) * 1982-02-19 1986-03-19 Celanese Corporation Process and apparatus for continual melt hydrolysis of acetal copolymers

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7812110B2 (en) 2005-12-24 2010-10-12 Ticona Gmbh Process for preparation of oxymethylene polymers, selected polymers, and their use
DE102005062326A1 (de) * 2005-12-24 2007-06-28 Ticona Gmbh Verfahren zur Herstellung von Oxymethylen-Polymeren, ausgewählte Polymere und deren Verwendung
DE102008018968A1 (de) 2008-04-16 2009-10-22 Ticona Gmbh Polyoxymethylen-Formmassen und Formkörper und deren Verwendung
DE102008018966A1 (de) 2008-04-16 2009-10-22 Ticona Gmbh Verfahren zur Herstellung von Oxymethylen-Polymeren und dafür geeignete Vorrichtung
DE102008018967A1 (de) 2008-04-16 2009-10-22 Ticona Gmbh Oxymethylenpolymere, Verfahren zu deren Herstellung und deren Verwendung
DE102008018965A1 (de) 2008-04-16 2009-10-22 Ticona Gmbh Oxymethylen-Copolymere und deren Verwendung sowie Verfahren zur Herstellung von Oxymethylen-Copolymeren
US8840976B2 (en) 2010-10-14 2014-09-23 Ticona Llc VOC or compressed gas containment device made from a polyoxymethylene polymer
EP2505609B1 (en) 2011-04-01 2015-01-21 Ticona GmbH High impact resistant polyoxymethylene for extrusion blow molding
US8968858B2 (en) 2011-12-30 2015-03-03 Ticona Llc Printable molded articles made from a polyoxymethylene polymer composition
WO2014105670A1 (en) 2012-12-27 2014-07-03 Ticona Llc Impact modified polyoxymethylene composition and articles made therefrom that are stable when exposed to ultraviolet light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0088541A3 (en) * 1982-02-19 1986-03-19 Celanese Corporation Process and apparatus for continual melt hydrolysis of acetal copolymers

Also Published As

Publication number Publication date
CA1105188A (en) 1981-07-14
FR2336426B1 (2) 1981-06-12
GB1524410A (en) 1978-09-13
IT1051892B (it) 1981-05-20

Similar Documents

Publication Publication Date Title
BE857722A (fr) Procede pour la preparation d'ethylene-glycol
FR2304609A1 (fr) Procede de preparation de carbonates d'alkylene
RO71012A (ro) Procedeu de preparare de alchilen tereftalati oligomeri
RO68441A (ro) Procedeu pentru prepararea unor derivati de eritromicilamina
RO73517A (ro) Procedeu de preparare a unor derivati aminiglicozidici
FR2307827A1 (fr) Procede pour la preparation d'oligomeres d'hexafluoropropene
BE839140A (fr) Procede pour l'obtention de n-acyl-l-methionine
BE838823A (fr) Procede pour la preparation de 1,2,5-dihydroxycholecalciferol
FR2336426A1 (fr) Procede pour ameliorer la stabilite d'homopolymeres etherifies d'acetal
BE850383A (fr) Procede ameliore pour le dosage de l'alcoolemie
FR2336427A1 (fr) Procede pour ameliorer la stabilite thermique et chimique d'homopolymeres etherifies d'acetals et de copolymeres d'acetals
RO76667A (ro) Procedeu pentru prepararea unor 2,4-dialchilamino-6-clor-5-triazine
BE840527A (fr) Procede pour la preparation d'aminoacides
BE880031A (fr) Procede pour la preparation de 1 alpha, 3 beta-dihydroxy-delta 5-steroides
FR2351086A1 (fr) Procede pour la preparation du chloroformiate de methyle
PT64691B (fr) Procede pour la preparation d'acides 6,11-di-hydro-11-oxo-dibenz /b,e/ oxepin-alcanoiques
FR2322128A1 (fr) Procede pour l'obtention d'aminoacetaldehyde acetals
FR2340691A1 (fr) Composition d'assaisonnement et procede pour sa preparation
FR2317290A1 (fr) Procede pour la preparation de 5-cyanopyridones-(6)
FR2342991A1 (fr) Procede pour la purification de l'heparine
BE833733A (fr) Procede pour la preparation d'agglomeres
FR2283150A1 (fr) Procede pour la preparation d'hydroxy-11b alkyl-18 oestranes
BE845111A (fr) Procede pour la preparation d'un acetal
RO70236A (ro) Procedeu pentru prepararea unor 1,2,4-oxadiazolidin-3-one
FR2305417A1 (fr) Procede pour l'obtention d'halogenophenols

Legal Events

Date Code Title Description
ST Notification of lapse