FR2336427A1 - Procede pour ameliorer la stabilite thermique et chimique d'homopolymeres etherifies d'acetals et de copolymeres d'acetals - Google Patents

Procede pour ameliorer la stabilite thermique et chimique d'homopolymeres etherifies d'acetals et de copolymeres d'acetals

Info

Publication number
FR2336427A1
FR2336427A1 FR7638575A FR7638575A FR2336427A1 FR 2336427 A1 FR2336427 A1 FR 2336427A1 FR 7638575 A FR7638575 A FR 7638575A FR 7638575 A FR7638575 A FR 7638575A FR 2336427 A1 FR2336427 A1 FR 2336427A1
Authority
FR
France
Prior art keywords
acetals
etherified
homopolymers
copolymers
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
FR7638575A
Other languages
English (en)
French (fr)
Other versions
FR2336427B1 (enrdf_load_stackoverflow
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 FR2336427A1 publication Critical patent/FR2336427A1/fr
Application granted granted Critical
Publication of FR2336427B1 publication Critical patent/FR2336427B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30—Chemical modification by after-treatment
    • C08G2/36—Chemical 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7638575A 1975-12-23 1976-12-21 Procede pour ameliorer la stabilite thermique et chimique d'homopolymeres etherifies d'acetals et de copolymeres d'acetals Granted FR2336427A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3068475A IT1051890B (it) 1975-12-23 1975-12-23 Procedimento migliorato per la stabilizzazione di omopolimmeri acetalici eterificati e di copolimeri acetalici

Publications (2)

Publication Number Publication Date
FR2336427A1 true FR2336427A1 (fr) 1977-07-22
FR2336427B1 FR2336427B1 (enrdf_load_stackoverflow) 1979-03-23

Family

ID=11230938

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7638575A Granted FR2336427A1 (fr) 1975-12-23 1976-12-21 Procede pour ameliorer la stabilite thermique et chimique d'homopolymeres etherifies d'acetals et de copolymeres d'acetals

Country Status (4)

Country Link
JP (1) JPS5280392A (enrdf_load_stackoverflow)
FR (1) FR2336427A1 (enrdf_load_stackoverflow)
GB (1) GB1524440A (enrdf_load_stackoverflow)
IT (1) IT1051890B (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102008018965A1 (de) * 2008-04-16 2009-10-22 Ticona Gmbh Oxymethylen-Copolymere und deren Verwendung sowie Verfahren zur Herstellung von Oxymethylen-Copolymeren
DE102008018967A1 (de) 2008-04-16 2009-10-22 Ticona Gmbh Oxymethylenpolymere, Verfahren zu deren Herstellung und deren Verwendung
US8840976B2 (en) 2010-10-14 2014-09-23 Ticona Llc VOC or compressed gas containment device made from a polyoxymethylene polymer
US9604956B2 (en) 2011-11-24 2017-03-28 Celanese Sales Germany Gmbh Process for the production of trioxane
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
CN111971276A (zh) 2018-03-29 2020-11-20 塞拉尼斯销售德国有限公司 在非均相反应体系中生产环状缩醛的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, VOLUME 74 1971 4257Q) *

Also Published As

Publication number Publication date
FR2336427B1 (enrdf_load_stackoverflow) 1979-03-23
JPS5280392A (en) 1977-07-06
GB1524440A (en) 1978-09-13
IT1051890B (it) 1981-05-20

Similar Documents

Publication Publication Date Title
FR2328508A1 (fr) Gels poreux, leur procede d'obtention et applications
FR2304609A1 (fr) Procede de preparation de carbonates d'alkylene
FR2316906A1 (fr) Procede de preparation d'eponges metalliques et/ou metallo-ceramiques et/ou ceramique
IT1075747B (it) Metodo per migliorare il regime d'assorbimento di polimeri assorbenti
FR2305451A1 (fr) Procede continu de fabrication de copolymeres de styrene et/ou d'a-methyl styrene
BE850855A (fr) Procede de preparation d'homopolymeres et copolymeres d'alpha-mono-olefines
FR2302189A1 (fr) Procede et dispositif d'extrusion pour la fabrication de profiles
FR2320165A1 (fr) Procede et installation d'usinage ultrasonique
BE861172A (fr) Procede de preparation d'alpha-amino-amides
FR2336427A1 (fr) Procede pour ameliorer la stabilite thermique et chimique d'homopolymeres etherifies d'acetals et de copolymeres d'acetals
FR2287435A1 (fr) Procede de preparation de cyclohexane-diones-1,3 et d'alkyl-6-dihydro-3,4-pyranones-2
FR2353589A1 (fr) Procede de preparation d'organopolysiloxanes
FR2336426A1 (fr) Procede pour ameliorer la stabilite d'homopolymeres etherifies d'acetal
FR2330644A1 (fr) Procede d'oxydation thermique du silicium
BE842328A (fr) Procede de preparation d'homopolymeres et de copolymeres du tetrafluoroethylene
BE850383A (fr) Procede ameliore pour le dosage de l'alcoolemie
BE857100A (fr) Procede de preparation d'homopolymeres et de copolymeres d'&-mono-olefines
BE838961A (fr) 1,1,2-tris-(0/p-hydroxyphenyl)-1-phenyl-ethanes et leur procede de preparation
BE787798A (fr) Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliques
BE837628A (fr) Procede pour la preparation d'hydrocarbures et de composes oxygenes
BE858806A (fr) Procede pour la preparation de glycol-aldehyde et d'ethylene-glycol
FR2321471A1 (fr) Procede de preparation de 4,4'-dihydroxy-3,3',5,5'-tetralcoyl-diphenyl-alcanes
BE844259A (fr) Procede de preparation d'aldehydes &,b-ethyleniques
FR2353553A1 (fr) Solution stabilisee d'aminophylline et procede de sa preparation
BE861107A (fr) P-isobutyl-hydratropate de gaiacol et procede pour sa preparation

Legal Events

Date Code Title Description
ST Notification of lapse