| abstract |
Crosslinkable liquid composition based on organic isocyanates and epoxy compounds, comprising the following components: n (A) an organic polyisocyanate; n (B) a polyepoxide or mixture of a polyepoxide and a monoepoxide; and n (C) a catalyst constituted by at least one cyanoderivative containing a quaternary nitrogen atom, n which composition can be polymerized at temperatures of 40° C. or higher, by a process comprising exposure thereof to a non-ionizing electromagnetic radiation having a frequency comprised in the microwave range of frequencies, to obtain a solid material endowed with an excellent combination of physical, chemical and mechanical properties. |