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Table 3.

Results and analysis of orthogonal experiment.

Test Number Nanospheres (A) wt % Surfactant B (wt%) Polymer C (wt%) Foam volume (mL) Half-life period (s) Foam composite index (mL s)
1# 0.04 0.06 0.06 730 370 202 575
2# 0.04 0.08 0.08 710 760 404 700
3# 0.04 0.10 0.10 770 1230 710 325
4# 0.04 0.12 0.12 780 924 540 540
5# 0.053 0.06 0.06 710 628 334 410
6# 0.053 0.08 0.08 770 390 225 225
7# 0.053 .0.10 0.10 770 918 530 145
8# 0.053 0.12 0.12 780 820 479 700
9# 0.066 0.06 0.10 710 520 276 900
10# 0.066 0.08 0.12 770 910 525 525
11# 0.066 0.10 0.06 770 855 493 762
12# 0.066 0.12 0.08 720 664 358 560
13# 0.079 0.06 0.12 770 1215 701 668
14# 0.079 0.08 0.10 750 531 298 125
15# 0.079 0.10 0.08 770 720 415 800
16# 0.079 0.12 0.06 780 444 259 740
K1 1 858 140 1 515 553 1 181 302
K2 1 569 480 1 453 575 1 513 470
K3 1 654 747 2 150 032 1 765 050
K4 1 675 333 1 638 540 2 297 878
464 535 378 888 295 326
392 370 363 394 378 368
413 678 537 508 441 262
418 833 409 635 574 469
Range 72 165 174 114 279 143
The order of factor C > B > A
Excellent level A4 B3 C4
Optimum combination A4B3C4

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