Use of TBzTD as Noncarcinogenic Accelerator for ENR/SiO₂ Nanocomposites: Cured Characteristics, Mechanical Properties, Thermal Behaviors, and Oil Resistance

Table 1

Thermal properties of NR, ENR 40, and ENR 40/nSiO₂ nanocomposites obtained from DSC, DMA, and TGA analyses.

Thermal properties	NR	ENR 40	ENR 40/nSiO2
			100/1	100/2	100/3
DSC
(°C): unvulcanized
(°C): vulcanized
DMA
at −65°C (MPa)	404.2	670.1	905.5	1408.8	808.7
(°C) at peak
(°C) at peak
	2.5	2.2	2.1	2.4	2.0
TGA and DTG
(°C)	226	251	252	252	248.7
(°C)	287	290	291.5	296	279.3
(°C)	268.7	281.7	275	284.8	268.5
(°C)	362.7	369.8	378.4	379.7	377
(°C)	419.4	434	434.9	435	434.6
(°C)	384.7	391.7	402.7	399.2	401.3
(°C)	388.4	403	407	408	410.6
char (%)	6	6	13.4	15.9	16.6