Table 1 Dipole moments (DPMs) of PVA, PVDF, and PAN molecules with or without H2O for single molecules, small molecules, and 2 nm-long molecules.

From: Moisture Effect on Particulate Matter Filtration Performance using Electro-Spun Nanofibers including Density Functional Theory Analysis

 

PVA

PVDF

PAN

Single molecule

1.67 D

2.06 D

3.91 D

Small molecule

6.09 D

5.41 D

9.61 D

2 nm molecule

23.62 D

16.80 D

9.43 D

Single molecule + 1 H2O molecule

2.45 D

2.76 D

6.02 D

Small molecule + 4 H2O molecules

4.29 D

11.07 D

6.67 D

2 nm molecule + 20 H2O molecules

19.55 D

15.40 D

6.22 D

Back to article page