Research Article
Optimization of Spraying Process via Response Surface Method for Fabrication of Cellulose Nanofiber (CNF) Film
Table 3
Response 1: basis weight.
| Source | Sum of squares | df | Mean square | value | value | |
| Model | 55507.95 | 3 | 18502.65 | 46.98 | <0.0001 | Significant | : suspension concentration | 55409.46 | 1 | 55409.46 | 140.68 | <0.0001 | | : velocity of the conveyor | 44.16 | 1 | 44.16 | 0.1121 | 0.7424 | | : spray distance | 54.33 | 1 | 54.33 | 0.1379 | 0.7155 | | Residual | 5907.89 | 15 | 393.86 | | | | Lack of fit | 5907.89 | 11 | 537.08 | | | | Pure error | 0.0000 | 4 | 0.0000 | | | | Cor. total | 61415.84 | 18 | | | | |
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Factor coding is coded. Sum of squares is type III-partial.
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