Functional Modification Effect of Epoxy Oligomers on the Structure and Properties of Epoxy Hydroxyurethane Polymers

Table 6

Mechanical properties of polymers based on epoxy compositions modified by OECC and cured DETA.

OECC type	σр (MPa)/εр (%) of polymers by ratio OE : OECC
	100 : 0	90 : 10	80 : 20	70 : 30	60 : 40
Aromatic	72.5/2.5	42.0/0.8	20.0/0.3	8.0/—	—
Aliphatic	72.5/2.5	82.5/2.3	88.3/4.4	77.0/2.8	55.0/5.0