Table 1.

Response surface design and results on the modification conditions.

Run No.	HY311 (%)	KH550 (%)	UST (min)	OAV (g DOP/100 g)		AG (%)		SV (mL/g)
				Actual Value	Predicted Value	Actual Value	Predicted Value	Actual Value	Predicted Value
1	0.7	0.7	10	16.63	16.73	99.18	99.23	0.6100	0.6260
2	0.7	1.1	8	18.16	18.12	93.68	93.76	1	0.9911
3	0.7	0.3	8	18.36	18.39	98.25	98.32	1.0500	1.0600
4	0.3	0.7	8	18.50	18.52	96.19	95.99	0.9230	0.9305
5	1.1	0.7	12	18.73	18.71	94.75	94.95	0.9230	0.9155
6	1.1	0.3	10	20.27	20.25	97.49	97.36	0.9100	0.9086
7	0.7	1.1	12	17.75	17.72	98.45	98.38	1.1200	1.1100
8	1.1	1.1	10	19.42	19.47	98.19	98.06	0.9600	0.9786
9	0.3	0.3	10	20.13	20.08	97.72	97.85	0.9800	0.9614
10	0.7	0.7	10	16.68	16.73	98.50	99.23	0.6200	0.6260
11	0.7	0.7	10	16.62	16.72	99.85	99.23	0.6500	0.6260
12	0.7	0.7	10	16.71	16.73	99.69	99.23	0.6500	0.6260
13	0.3	1.1	10	19.35	19.37	98.33	98.45	0.9700	0.9714
14	0.7	0.3	12	18.87	18.91	92.59	92.51	0.9500	0.9589
15	0.7	0.7	10	16.72	16.73	98.95	99.23	0.6000	0.6260
16	1.1	0.7	8	18.50	18.49	92.92	92.97	0.9690	0.9593
17	0.3	0.7	12	18.40	18.41	92.87	92.82	0.9800	0.9897