FIELD: production of polyurethanes. SUBSTANCE: desired product 1,4-bis-(4-isocyanate phenoxy)tetrafluorobenzene has essential formula C20H8F4N204, its boiling point being 107-109 C. 4,4-bis(p-aminophenyl) ether of tetrafluorohydroquinone is used as reagent 1, phosgene being used as reagent 2. EFFECT: improves quality of desired product.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF SYNTHESIS OF POLYURETHANE AS FIBROUS PARTICLES | 1992 |
|
RU2049096C1 |
| METHOD OF PRODUCING FLUORINE-CONTAINING PREPOLYMER HAVING ISOCYANATE GROUPS | 2012 |
|
RU2479595C1 |
| METHOD OF PRODUCING FLUORINE-CONTAINING PREPOLYMER HAVING ISOCYANATE GROUPS | 2012 |
|
RU2479597C1 |
| METHOD FOR COMBINED PRODUCTION OF FLUORINE-CONTAINING PREPOLYMERS | 2012 |
|
RU2479598C1 |
| 4,4'-BIS(P-AMINOPHENYL) ESTER OF TETRAFLUOROHYDROQUINONE AS MONOMER FOR OBTAINING HEAT-RESISTANT POLYMERS | 0 |
|
SU594096A1 |
| METHOD OF PRODUCING FLUORINE-CONTAINING PREPOLYMER HAVING ISOCYANATE GROUPS | 2012 |
|
RU2479599C1 |
| POLYURETANUREA CONTAINING MACROHETEROCYCLIC FRAGMENTS IN THE MAIN CHAIN AS A MATERIAL FOR PREPARING OF DIAPHRAGMS SHOWING SORPTION CAPACITY WITH RELATION TO ALKALINE AND HEAVY METAL IONS | 1989 |
|
RU2022976C1 |
| 0 |
|
SU560892A1 | |
| 0 |
|
SU249622A1 | |
| PROCESS FOR PRODUCING ELASTIC POLYURETHANES | 0 |
|
SU1131886A1 |
