Table 1. Composition of PDV-SKL Vitrimers and Their Thermal and Mechanical Properties.

							mechanical properties
sample composition	SKL (wt %)a	gel content (%)b	Tg (°C)c	Td5% (°C)d	Td30% (°C)e	Ts (°C)f	modulus (MPa)	tensile strength (MPa)	elongation (%)
PDV-SKL (1:1)	50	98	121	224	357	149	2100	50.9	1.0
PDV-SKL (1:0.8)	44	96	118	191	310	150	780	33.9	8.1
PDV-SKL (1:0.6)	37	97	114	195	291	124	320	15.0	15.1
PDV-SKL (1:0.4)	28	95	109	202	280	122	12.6	3.3	35.0

^aWeight percent of SKL in the vitrimer material.

^bThe gel content was measured by extraction with the mixture of tetrahydrofuran/dioxane (3:1, v/v).

^cFrom DSC curve (Figure 2c).

^dTemperature corresponding to 5 wt % mass loss.

^eTemperature corresponding to 30 wt % mass loss.

^fStatic heat resistance temperature calculated from eq 1.