IT1051893B - Procedimento per migliorare la stabilita termica e chimica degli omopolimeri acetalici eterificati - Google Patents
Procedimento per migliorare la stabilita termica e chimica degli omopolimeri acetalici eterificatiInfo
- Publication number
- IT1051893B IT1051893B IT30687/75A IT3068775A IT1051893B IT 1051893 B IT1051893 B IT 1051893B IT 30687/75 A IT30687/75 A IT 30687/75A IT 3068775 A IT3068775 A IT 3068775A IT 1051893 B IT1051893 B IT 1051893B
- Authority
- IT
- Italy
- Prior art keywords
- eterified
- procedure
- thermal
- improve
- chemical stability
- 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)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyethers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT30687/75A IT1051893B (it) | 1975-12-23 | 1975-12-23 | Procedimento per migliorare la stabilita termica e chimica degli omopolimeri acetalici eterificati |
US05/751,299 US4105638A (en) | 1975-12-23 | 1976-12-16 | Process for improving the stability of etherified acetal homopolymers |
ES454487A ES454487A1 (es) | 1975-12-23 | 1976-12-22 | Un procedimiento para preparar homopolimeros acetalicos ete-rificados estables. |
GB53738/76A GB1548270A (en) | 1975-12-23 | 1976-12-23 | Process for the stability of etherfied acetal homopolymers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT30687/75A IT1051893B (it) | 1975-12-23 | 1975-12-23 | Procedimento per migliorare la stabilita termica e chimica degli omopolimeri acetalici eterificati |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1051893B true IT1051893B (it) | 1981-05-20 |
Family
ID=11230977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT30687/75A IT1051893B (it) | 1975-12-23 | 1975-12-23 | Procedimento per migliorare la stabilita termica e chimica degli omopolimeri acetalici eterificati |
Country Status (4)
Country | Link |
---|---|
US (1) | US4105638A (it) |
ES (1) | ES454487A1 (it) |
GB (1) | GB1548270A (it) |
IT (1) | IT1051893B (it) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL129036C (it) * | 1959-01-06 | |||
BE589143A (it) * | 1959-04-25 | |||
US3393179A (en) * | 1966-02-17 | 1968-07-16 | Du Pont | Preparation of polyoxymethylene ethers |
US3477993A (en) * | 1966-04-01 | 1969-11-11 | Du Pont | Vapor-phase base clean-up of polyoxymethylene |
-
1975
- 1975-12-23 IT IT30687/75A patent/IT1051893B/it active
-
1976
- 1976-12-16 US US05/751,299 patent/US4105638A/en not_active Expired - Lifetime
- 1976-12-22 ES ES454487A patent/ES454487A1/es not_active Expired
- 1976-12-23 GB GB53738/76A patent/GB1548270A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1548270A (en) | 1979-07-11 |
ES454487A1 (es) | 1977-12-01 |
US4105638A (en) | 1978-08-08 |
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