Role of plasticizer


(Sajjad Ahmad) #1

what is the role of plasticizer in tablet coating?


(Md. Saifullah Khan) #2

to allow initial film forming and to achieve the right amount of film flexibility to avoid cracking and peel-off. Is there more reason? what’s happen if we use more or less plasticizer?


(Sajjad Ahmad) #3

Plasticizer breaks long chains of polymers and rearrange polymers to enhance its film forming capacity.
plasticizer decrease glass transiton temperature of polymer.


(Sajjad Ahmad) #4


(Sajjad Ahmad) #5


(Sajjad Ahmad) #6


(Md. Saifullah Khan) #7

Is plasticizer help in color distribtion?


(Sajjad Ahmad) #8

opaquants help in color
not plasticizer