| abstract |
The invention relates to polyisocyanates corresponding to the following general formula: <IMAGE> wherein X represents a radical of the type obtained by removing the more reactive isocyanate group from an organic diisocyanate containing isocyanate groups of different reactivity; and Y represents a chlorine, bromine, C1-C8 alkyl, C1-C8 alkoxy, C6-C10 aryl, C6-C10 aroxy radical or a radical corresponding to the general formula: -NH-CO-NH-X. |