Table 3 DBP of binary solvent systems and morphologies of fibers electrospun from these systems (\ and − represent no solution prepared and unspinnable, respectively)
From: Electrospinning of Grooved Polystyrene Fibers: Effect of Solvent Systems
Solvent systems | DBP (°C) | 3:1 | 2:1 | 1:1 | 1:2 | 1:3 |
---|---|---|---|---|---|---|
DCM/ACE | 16.37 | Pores + beads | Pores + beads | Pores + beads | Grooves | \ |
DCM/THF | 26.25 | Pores + beads | Pores + beads | Pores + beads | Pores + beads | Pores + beads |
ACE/THF | 9.88 | Grooves | Grooves + beads | Grooves + beads | Grooves + beads | Grooves + beads |
DCM/DMF | 113.25 | Grooves | Grooves | Grooves | Single groove | Single groove |
ACE/DMF | 96.88 | Grooves | Grooves | Grooves | Single groove | Single groove |
THF/DMF | 87 | Single groove | Grooves | Grooves | Smooth | Smooth |
DCM/CYCo | 115.9 | Double grooves | Double grooves | Double grooves | Double grooves | Double grooves |
ACE/CYCo | 99.53 | - | Double grooves | Double grooves | Double grooves | Double grooves |
THF/CYCo | 89.65 | Double grooves | Double grooves | Double grooves | Double grooves | Double grooves |
DMF/CYCo | 2.65 | Smooth fibers | Smooth fibers | Grooves | Grooves | Grooves |
BuOH/DCM | 77.95 | \ | \ | Double grooves | Grooves | Wrinkles |
BuOH/ACE | 61.58 | \ | \ | \ | \ | \ |
BuOH/THF | 51.7 | \ | \ | Grooves | Grooves | Grooves |
BuOH/DMF | 35.3 | \ | \ | Rough fibers | Rough fibers | Rough fibers |
BuOH/CYCo | 37.95 | \ | \ | Double grooves | Smooth fibers + beads | Smooth fibers + beads |