- Diphenyl ethane diisocyanate prepared by solid phosgene method and application thereof (by machine translation)
-
Diaminediphenyl ethane is added into a solvent; to be dissolved in a solvent for a certain time, to continue the reaction to the end point, for a certain time, and the solid phosgene, is prepared 20 °C at - 20 to, under the action of a catalyst for a cert
- -
-
Paragraph 0041-0044
(2020/04/02)
-
- Diphenyl ethane diisocyanate and preparation method thereof
-
The invention discloses diphenyl ethane diisocyanate and a preparation method thereof, and relates to the technical field of high molecular material monomer preparation. The diphenylethane diisocyanate has a structure shown in the specification, wherein R is H or alkyl, and a substituent R is positioned at a 2 (2') site or a 3 (3') site; substituent -NCO is located at a 4 (4') site or a 5 (5') site or a 6 (6') site; EDI serves as a polyurethane monomer to be applied to polyurethane materials and comprises polyurethane foam, a polyurethane adhesive, polyurethane synthetic leather, a polyurethane fabric coating layer, a polyurethane resin coating, a polyurethane elastomer and other synthetic materials.
- -
-
Paragraph 0058-0060
(2020/04/29)
-
- Diphenyl ethane diisocyanate prepared by dimethyl carbonate method and application of diphenyl ethane diisocyanate
-
The invention discloses diphenyl ethane diisocyanate prepared by a dimethyl carbonate method and an application of diphenyl ethane diisocyanate, and relates to the technical field of preparation of high polymer material monomers. Diphenyl ethane diisocyan
- -
-
Paragraph 0012; 0047-0050
(2020/04/29)
-