Controlled Morphology of Porous Polyvinyl Butyral Nanofibers

Table 2

Quality of solvents for dissolving PVB.

Polymer/solvents	PVB		Vapor pressure (25°C) [kPa]
	Δ𝛿(S-P) [MPa^1/2]	Character of the solvent
THF	2.5	Good	26.27
DMSO	9.9	Poor	0.08
Ethanol	9.3	Poor	24.60
Methanol	13.2	Poor	32.7