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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Eur J Pharm Sci. 2018 Jan 10;126:3–10. doi: 10.1016/j.ejps.2018.01.020

Table 2.

Film forming agents evaluated for wettability, droplet size, and drying time.

Material
Class
Formulation
ID
Initial
Droplet
Radius
(mm)
Final
Film
Radius
(mm)
Film
Drying
Time
(Minutes)
Area
RWM/
Area
Droplet
(%)
Film Appearance
(Dried FFA)
A FFA-1 6.0 6.6 90 2.2 Dry, Clear, Flexible, Flat
A + B FFA-2 6.5 7.3 75 1.9 Dry, Clear, Flexible, Flat
A + B FFA-3 6.8 7.5 60 1.7 Dry, Heterogeneous, Clear, Semi-flexible, Curved
A + B FFA-4 6.4 7.6 60 1.9 Dry, Clear, Flexible, Flat
A + B FFA-5 7.3 7.4 60 1.5 Dry, Clear, Flexible, Curved

C FFA-6 7.1 7.8 85 1.6 Dry, Opaque, Flaky, Flat
C + A FFA-7 7.4 9.2 75 1.5 Dry, Semi-transparent, Flexible, Flat
C + D FFA-9 6.9 7.3 75 1.7 Dry, Opaque, Flaky, Flat
C + D FFA-10 7.2 8.7 85 1.5 Dry, Semi-transparent, Flexible, Curved
C + E FFA-8 7.3 8.6 75 1.5 Dry, Semi-transparent, Flaky, Flat

D FFA-12 5.2 4.8 210 2.9 Dry, Clear, Semi-flexible, Flat
D FFA-13 5.9 5.0 210 2.3 Mostly Solid, Clear, Rigid, Flat

E FFA-14 6.1 6.3 180 2.1 Dry, Clear, Flexible, Flat
E FFA-15 5.6 5.2 210 2.5 Dry, Clear, Rigid, Curved

F FFA-16 5.2 4.6 210 2.9 Partial Liquid, Opaque, Tacky