FR2336427A1 - PROCESS FOR IMPROVING THE THERMAL AND CHEMICAL STABILITY OF HOMOPOLYMERS ETHERIFIED OF ACETALS AND COPOLYMERS OF ACETALS - Google Patents
PROCESS FOR IMPROVING THE THERMAL AND CHEMICAL STABILITY OF HOMOPOLYMERS ETHERIFIED OF ACETALS AND COPOLYMERS OF ACETALSInfo
- 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
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)
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 true FR2336427A1 (en) | 1977-07-22 |
FR2336427B1 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)
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 |
DE102008018967A1 (en) | 2008-04-16 | 2009-10-22 | Ticona Gmbh | Oxymethylene polymers, process for their preparation and their use |
DE102008018966A1 (en) | 2008-04-16 | 2009-10-22 | Ticona Gmbh | Process for the preparation of oxymethylene polymers and apparatus suitable therefor |
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 |
DE102008018968A1 (en) | 2008-04-16 | 2009-10-22 | Ticona Gmbh | Polyoxymethylene molding compounds and molded articles and their use |
US8840976B2 (en) | 2010-10-14 | 2014-09-23 | Ticona Llc | VOC or compressed gas containment device made from a polyoxymethylene polymer |
CN106866615B (en) | 2011-11-24 | 2022-01-11 | 塞拉尼斯销售德国有限公司 | Process for producing trioxane |
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 |
WO2019191445A1 (en) | 2018-03-29 | 2019-10-03 | Celanese Sales Germany Gmbh | Process for producing a cyclic acetal in a heterogeneous reaction system |
-
1975
- 1975-12-23 IT IT3068475A patent/IT1051890B/en active
-
1976
- 1976-12-21 FR FR7638575A patent/FR2336427A1/en active Granted
- 1976-12-23 GB GB5373676A patent/GB1524440A/en not_active Expired
- 1976-12-23 JP JP15561576A patent/JPS5280392A/en active Pending
Non-Patent Citations (1)
Title |
---|
CHEMICAL ABSTRACTS, VOLUME 74 1971 4257Q) * |
Also Published As
Publication number | Publication date |
---|---|
IT1051890B (en) | 1981-05-20 |
FR2336427B1 (en) | 1979-03-23 |
JPS5280392A (en) | 1977-07-06 |
GB1524440A (en) | 1978-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |