FR2336427B1 - - Google Patents

Info

Publication number
FR2336427B1
FR2336427B1 FR7638575A FR7638575A FR2336427B1 FR 2336427 B1 FR2336427 B1 FR 2336427B1 FR 7638575 A FR7638575 A FR 7638575A FR 7638575 A FR7638575 A FR 7638575A FR 2336427 B1 FR2336427 B1 FR 2336427B1
Authority
FR
France
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
FR7638575A
Other languages
French (fr)
Other versions
FR2336427A1 (en
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/en
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 PROCESS FOR IMPROVING THE THERMAL AND CHEMICAL STABILITY OF HOMOPOLYMERS ETHERIFIED OF ACETALS AND COPOLYMERS OF ACETALS Granted FR2336427A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3068475A IT1051890B (en) 1975-12-23 1975-12-23 IMPROVED PROCEDURE FOR THE STABILIZATION OF ETERIFIED ACETAL HOMOPOLYMERS AND ACETAL COPOLYMERS

Publications (2)

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

Family

ID=11230938

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7638575A Granted FR2336427A1 (en) 1975-12-23 1976-12-21 PROCESS FOR IMPROVING THE THERMAL AND CHEMICAL STABILITY OF HOMOPOLYMERS ETHERIFIED OF ACETALS AND COPOLYMERS OF ACETALS

Country Status (4)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005062326A1 (en) * 2005-12-24 2007-06-28 Ticona Gmbh Production of oxymethylene (co)polymers for molding, including specified homopolymers, involves heterogeneous polymerization of monomer in presence of formaldehyde acetal and cationic initiator and deactivation in basic homogeneous phase
DE102008018968A1 (en) 2008-04-16 2009-10-22 Ticona Gmbh Polyoxymethylene molding compounds and molded articles and their use
DE102008018967A1 (en) 2008-04-16 2009-10-22 Ticona Gmbh Oxymethylene polymers, process for their preparation and their use
DE102008018965A1 (en) * 2008-04-16 2009-10-22 Ticona Gmbh Oxymethylene copolymers and their use, as well as processes for the preparation of oxymethylene copolymers
DE102008018966A1 (en) 2008-04-16 2009-10-22 Ticona Gmbh Process for the preparation of oxymethylene polymers and apparatus suitable therefor
US8840976B2 (en) 2010-10-14 2014-09-23 Ticona Llc VOC or compressed gas containment device made from a polyoxymethylene polymer
WO2013076291A1 (en) 2011-11-24 2013-05-30 Ticona Gmbh Process for recycling polyacetals
US8968858B2 (en) 2011-12-30 2015-03-03 Ticona Llc Printable molded articles made from a polyoxymethylene polymer composition
EP2938674A1 (en) 2012-12-27 2015-11-04 Ticona LLC Impact modified polyoxymethylene composition and articles made therefrom that are stable when exposed to ultraviolet light
EP3774762B1 (en) 2018-03-29 2023-08-30 Celanese Sales Germany GmbH Process for producing a cyclic acetal in a heterogeneous reaction system

Also Published As

Publication number Publication date
JPS5280392A (en) 1977-07-06
IT1051890B (en) 1981-05-20
FR2336427A1 (en) 1977-07-22
GB1524440A (en) 1978-09-13

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Legal Events

Date Code Title Description
ST Notification of lapse