Effects of Polyethylene Glycol on Morphology, Thermomechanical Properties, and Water Vapor Permeability of Cellulose Acetate-Free Films

Stephen H. Wu

Stephen H. Wu, PhD, is a technical fellow in the Pharmaceutical R&D division of Mallinckrodt Pharmaceutical–Covidien Ltd.

Jinghua Yuan

Jinghua Yuan is a principal technical service representative at Formulation Products Lab, Pharmaceutical Formulations Group, Eastman Chemical Company, Kingsport, TN 37662, tel. 423.229.8627, fax 423.224.0414.

P. Peter Shang

P. Peter Shang is a research associate at the Pharmaceutical Formulations Laboratory, Eastman Chemical Company, Kingsport, TN 37662, tel. 423.229.2374, fax 423.224.0414.

Pharmaceutical Technology, Pharmaceutical Technology-10-02-2001, Volume 25, Issue 10

The authors provide a systematic evaluation of the effects of solvent systems, PEG molecular weight, and concentration of CA to PEG on the thermomechanical properties and permeabilities of CA-free films.