Preparation, Characteristics, and Controlled Release Efficiency of the Novel PCL-PEG/EM Rod Micelles

Table 6

The factor level of the orthogonal experimental design.

Levels	Factors
	Mass fraction^a (%)	DL^b (%)	Temperature^c (°C)	Volume ratio^d ()
1	50	7	30	3
2	35	10	35	5
3	15	15	40	7
4	0	20	45	9

^aPCL₂₀₀₀-PEG₂₀₀₀mass fraction, ^bdrug loading, ^crotary steaming temperature, ^dorganic phase/water ratio, ^e- are indicated as in Table 7.