Eastman Chemical Company
HMI DISPLAY COVERS HAVING LOW BIREFRINGENCE MADE FROM LOW HYDROXYL CELLULOSE ESTERS

Abstract:

Provided is an optically clear protective cover plate for Human Machine Interface (HMI) touch panel displays wherein the cover plate is formed from a cellulose ester composition comprising a cellulose ester having a low hydroxyl content with a total degree of substitution (DS) in the range from 2.85 to 3.