Table 5.

Unit operations and the critical process parameters for the preparation of PMs.

S.No.	Unit Operation	Process Parameter
1	Polymer dissolution	Process Temperature
		Stirring speed
		Stirring Time
2	Preparation of micelles	Process Temperature
		Homogenization Speed
		Homogenization Time
3	Extrusion process	Process Temperature
		Number of Cycles
		Membrane Pore Size
		Pump Speed
4	Dia-filtration (Removal of ions)	Conductivity of Filtrate
		Process Temperature
		Pump Speed
5	Drug Loading	Process Temperature
		Stirring Speed
		Incubation Time
6	Filtration	Filter Flushes
		Filter Integrity
		Filtration Time
		Filtration Pressure