Table 1. Amounts of hydrogen peroxide (34.5 wt%), formic acid (85 wt%), aqueous sodium nitrite solution (33 wt%), aqueous SLS solution (10 wt%), and NR latex (20 wt%) added during synthesis

Liquid rubber	Hydrogen peroxide (mol)	Formic acid (mol)	Aqueous sodium nitrite solution (mol)	Aqueous SLS solution (g)	NR latex (g)
LENR-1	0.45	0.15	0.73	100	1000
LENR-2	0.68	0.23	0.73	100	1000
LENR-3	0.90	0.30	0.73	100	1000
LENR-4	1.13	0.38	0.73	100	1000
LENR-5	1.35	0.45	0.73	100	1000