BE636370A - - Google Patents
Info
- Publication number
- BE636370A BE636370A BE636370DA BE636370A BE 636370 A BE636370 A BE 636370A BE 636370D A BE636370D A BE 636370DA BE 636370 A BE636370 A BE 636370A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
-
- 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
- C08G2/38—Block or graft polymers prepared by polymerisation of aldehydes or ketones on to macromolecular compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Graft Or Block Polymers (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US192320A US3219725A (en) | 1962-05-04 | 1962-05-04 | Segmented oxymethylene block copolymers |
| CH1026963A CH452203A (fr) | 1963-08-20 | 1963-08-20 | Procédé de production d'un copolymère à blocs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE636370A true BE636370A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=25706271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE636370D BE636370A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1962-05-04 |
Country Status (5)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL294737A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1962-06-28 | |||
| US3376361A (en) * | 1963-06-24 | 1968-04-02 | Celanese Corp | Formaldehyde block copolymers |
| US3379789A (en) * | 1963-08-08 | 1968-04-23 | Hoechst Ag | Process for preparing block polymers of a polyepoxide and polyoxymethylene |
| US3352945A (en) * | 1963-11-07 | 1967-11-14 | Snia Viscosa | Formaldehyde-propylene graft copolymers and process for their synthesis |
| US3312753A (en) * | 1964-01-13 | 1967-04-04 | Union Carbide Corp | Preparation of block copolymers of a caprolactone and oxirane compound |
| US3476832A (en) * | 1966-08-31 | 1969-11-04 | Celanese Corp | Blends comprising oxymethylene polymers and rubbery polymers |
| BE795792A (fr) * | 1972-02-22 | 1973-08-22 | Hoechst Ag | Matieres a mouler thermoplastiques a base de poly-oxymethylenes |
| US3954915A (en) * | 1973-08-13 | 1976-05-04 | Mobil Oil Corporation | Block copolymers of hydrogenated diene-styrene with polymerized alkylene oxide and alkylene sulfide |
| US5525702A (en) * | 1995-05-18 | 1996-06-11 | The Dow Chemical Company | Biodegradable alkylene oxide-lactone copolymers |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA582945A (en) * | 1959-09-08 | T. Cline Edward | Block copolymers of formaldehyde with active hydrogen-containing polymers | |
| US2273461A (en) * | 1940-02-29 | 1942-02-17 | Henry A Wallace | Process for the production of calcium metaphosphate and hydrogen |
| US2844561A (en) * | 1953-06-30 | 1958-07-22 | Du Pont | Dispersion polymerization of formaldehyde in the presence of an organic synthetic polymer |
| US3029216A (en) * | 1958-08-11 | 1962-04-10 | Union Carbide Corp | Block copolymer of dissimilar 1, 2-alkylene oxides and process for preparing the same |
| US3050511A (en) * | 1958-09-15 | 1962-08-21 | Dow Chemical Co | Block copolymers of alkenyl aromatic hydrocarbons and alkylene oxides |
| FR1272971A (fr) * | 1960-08-22 | 1961-10-06 | Houilleres Bassin Du Nord | Nouveaux polymères à base de polyoxyméthylène à stabilité améliorée et procédé pour la stabilisation des polymères à base de polyoxyméthylène |
| BE611440A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-12-12 | 1962-03-30 |
-
0
- BE BE636370D patent/BE636370A/xx unknown
-
1962
- 1962-05-04 US US192320A patent/US3219725A/en not_active Expired - Lifetime
- 1962-11-07 GB GB40266/62A patent/GB1025755A/en not_active Expired
-
1963
- 1963-05-01 JP JP38022361A patent/JPS4927112B1/ja active Pending
- 1963-05-03 DE DE19631495295 patent/DE1495295A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3219725A (en) | 1965-11-23 |
| DE1495295A1 (de) | 1970-01-02 |
| GB1025755A (en) | 1966-04-14 |
| JPS4927112B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-07-15 |