Table 1.

Mechanical properties of thiol–yne elastomers (C_3A–C_6S).

% cis	Crystallinity [%]	E 0 [MPa]	ϵ max [a] [%]	ϵ break [%]	Tensile toughness[b] [MJ m −3]	UTS [MPa]
80	22.3	59.8±0.2	–	1495±66	289±45	54.3±6.5
79	22.9	56.5±6.4	–	1554±71	330±29	56.7±5.2
70	14.1	26.2±0.3	–	1874±94	292±58	43.5±6.5
53	0	3.1±0.1	346	2252±115	104±22	16.6±3.8
32	0	2.7±0.1	378	2970±137	35±3	2.8±0.4

[a] ϵ _max estimated from the value of the Young's modulus at small deformations. [b] Network toughness is calculated at a strain rate of 2.34×10⁻² s⁻¹.