Role of plasticizer

[Sajjad_Ahmad]

what is the role of plasticizer in tablet coating?

[saifulnsu (Md. Saifullah Khan)]

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]

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

[Sajjad_Ahmad]

[Sajjad_Ahmad]

[Sajjad_Ahmad]

[saifulnsu (Md. Saifullah Khan)]

Is plasticizer help in color distribtion?

[Sajjad_Ahmad]

opaquants help in color
not plasticizer