Nanocomposites of NR/SBR Blend Prepared by Latex Casting Method: Effects of Nano-TiO₂ and Polystyrene-Encapsulated Nano-TiO₂ on the Cure Characteristics, Physical Properties, and Morphology

Table 2

Cure characteristics of the rubber compounds.

Composition	(min)	t90 (min)	CRI (%·min^−1)
NR/SBR (wt%/wt%)
80/20	1.1	23.6	4.4
NR/SBR/nTiO2 (wt%/wt%/phr)
80/20/3	1.2	26.8	3.9
80/20/5	1.5	27.2	3.9
80/20/7	1.5	26.3	4.0
80/20/9	1.2	25.5	4.1
NR/SBR/PS-nTiO2 (wt%/wt%/phr)
80/20/3	1.2	26.5	4.0
80/20/5	1.2	26.0	4.0
80/20/7	1.2	25.9	4.1
80/20/9	1.2	25.3	4.2