Table 3. Water Absorption Properties of SAP-1 Blended with SAP-2 in Different Ratios.

	7:3		5:5		3:7
SAP-1/SAP-2 (w/w) ratios	RCW-1 (g/g)	AAP-0.3 (g/g)	RCW-1 (g/g)	AAP-0.3 (g/g)	RCW-1 (g/g)	AAP-0.3 (g/g)
no surface modification	192.17 ± 1.80	11.08 ± 0.12	181.75 ± 2.79	16.03 ± 0.43	148.36 ± 2.87	20.19 ± 0.23
3% modifier (based on SAPs) with 3% EGDE	216.09 ± 5.06	17.79 ± 0.38	197.97 ± 8.08	21.51 ± 1.85	149.81 ± 0.27	24.65 ± 0.71
5% modifier (based on SAPs) with 10% EGDE	185.87 ± 11.74	18.98 ± 0.01	180.46 ± 3.07	23.56 ± 0.40	139.73 ± 1.74	24.49 ± 0.17
15% modifier (based on SAPs) with 10% EGDE	183.83 ± 13.75	19.53 ± 0.70	176.34 ± 4.35	23.81 ± 0.50	131.96 ± 2.01	25.81 ± 1.21