Dynamic Mechanical Properties of Vietnam Modified Natural Rubber via Grafting with Styrene

Table 1

The conversion and grafting efficiency of the graft copolymerization.

Sample	Styrene concentration; (10^−3 mol/g)	Conversion	Grafting efficiency	Total styrene content; (phr)	Grafted styrene content; (phr)
DPNR	0	0	0	0	0
DPNR-graft-PS 1	1.0	69.20	52.67	7.21	3.80
DPNR-graft-PS 1.5	1.5	91.03	75.02	14.22	10.67
DPNR-graft-PS 2	2.0	82.08	53.21	17.10	9.10