Central Composite Design of Spraying Process to Laminate the Paper Substrates with Cellulose Nanofibers (CNF) as Green Packaging Wrap

Table 1

Optimization of input variables.

Factor	Name	Units	Type	Subtype	Minimum	Maximum	Coded low	Coded high	Mean	Std. dev.
A	Suspension concentration	wt.%	Numeric	Continuous	0.25000	2.00			1.125	0.4409
B	Fiber diameter	nm	Numeric	Continuous	20	70			45	12.6
C	Spray distance	cm	Numeric	Continuous	30.00	50.00			40.00	5.043