Effect of Lanthanum Cerium Cysteine on Cure Characteristics, Mechanical Properties, and Thermooxidative Aging for Natural Rubber

Table 5

Glass transition temperature () and mechanical loss factor (tan δ) of the vulcanizates.

Compound	(°C)	(-)	(-)	(-)
5ZnO
5ZnO/LC-Cys
5ZnO/2LC-Cys
4ZnO/LC-Cys
3ZnO/2LC-Cys

: glass-transition temperature; , , and : loss factors at , 25°C, and 60°C, respectively.