1-Butyl-3-methylimidazolium Salts as New Catalysts to Produce Epoxy-anhydride Polymers with Improved Properties

Table 2

Rheological, physic-mechanical, thermal properties of epoxy polymers.

Composition, wt.%	𝑡^∗, h	Synthesis conditions	𝑇𝑔, °C	Physic-mechanical properties under stretching		Water absorption, 24 h, 25°C, % mas.	𝑇, °C mass loss
				𝜎, mPa	𝜀, %		5%	10%
ED-20—55,5; IMTHPA—44,0; SBMI-Br—0,5	178	120°C, 3 h; 160°C, 3 h	135	60	12	0,17	330	360
ED-20—55,5; IMTHPA—44,0; 2,4,6-Tris(dimethylaminomethyl)phenol—0,5	30	120°C, 3 h; 160°C, 3 h	105	55	10	0,11	335	360
PDI-3AK—93; IMTHPA—6; SBMI-Br—1	240	80°C, 72 h; 120°C, 3 h	−82	4	415	—	300	340
PDI-3AK—93; IMTHPA—6; 2,4,6-Tris(dimethylaminomethyl)phenol—1	40	80°C, 72 h; 120°C, 3 h	−76	2,2	142	—	305	340