Table 4.

DRS studies: temperatures of the relaxation processes

Compositions			Relaxation temperatures (ω = 1 Hz)
Reactivity (R)	MDI (%)	PIC (%)	Tr0 (°C)	Tr1 (°C)	Tr2 (°C)
0.04	100	0	−98	−60	-
0.06	90	10	−96	−54	-
0.1	80	20	−91	−52	41
0.14	65	35	−90	−51	59
0.18	50	50	−89	−56	70
0.22	35	65	−88	−65	98
0.26	20	80	−87	−76	108

Compositions and glass transition temperatures of OIS obtained from DRS investigations at frequency ω = 1 Hz, depending on the reactivity R of the organic component of OIS.