IT1051890B - IMPROVED PROCEDURE FOR THE STABILIZATION OF ETERIFIED ACETAL HOMOPOLYMERS AND ACETAL COPOLYMERS - Google Patents
IMPROVED PROCEDURE FOR THE STABILIZATION OF ETERIFIED ACETAL HOMOPOLYMERS AND ACETAL COPOLYMERSInfo
- Publication number
- IT1051890B IT1051890B IT3068475A IT3068475A IT1051890B IT 1051890 B IT1051890 B IT 1051890B IT 3068475 A IT3068475 A IT 3068475A IT 3068475 A IT3068475 A IT 3068475A IT 1051890 B IT1051890 B IT 1051890B
- Authority
- IT
- Italy
- Prior art keywords
- acetal
- eterified
- stabilization
- homopolymers
- improved procedure
- Prior art date
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)
Priority Applications (4)
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 |
FR7638575A 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 |
GB5373676A GB1524440A (en) | 1975-12-23 | 1976-12-23 | Process for the thermal and chemical stability of etherified acetal homopolymers and of acetal copolymers |
JP15561576A JPS5280392A (en) | 1975-12-23 | 1976-12-23 | Improved method of chemical and thermal stability |
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 (1)
Publication Number | Publication Date |
---|---|
IT1051890B true IT1051890B (en) | 1981-05-20 |
Family
ID=11230938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT3068475A IT1051890B (en) | 1975-12-23 | 1975-12-23 | IMPROVED PROCEDURE FOR THE STABILIZATION OF ETERIFIED ACETAL HOMOPOLYMERS AND ACETAL COPOLYMERS |
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 |
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 |
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 |
US8840976B2 (en) | 2010-10-14 | 2014-09-23 | Ticona Llc | VOC or compressed gas containment device made from a polyoxymethylene polymer |
WO2013076288A1 (en) | 2011-11-24 | 2013-05-30 | Ticona Gmbh | Integrated process for producing cyclic acetals and oxymethylene polymers |
WO2013101624A1 (en) | 2011-12-30 | 2013-07-04 | 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 |
JP2021519781A (en) | 2018-03-29 | 2021-08-12 | セラニーズ・セールス・ジャーマニー・ゲーエムベーハー | Method for Producing Cyclic Acetal in 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
Also Published As
Publication number | Publication date |
---|---|
FR2336427A1 (en) | 1977-07-22 |
FR2336427B1 (en) | 1979-03-23 |
JPS5280392A (en) | 1977-07-06 |
GB1524440A (en) | 1978-09-13 |
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