chemical formula of polarized lenses

Question

 i need to find out the chemistry formula of polarized lenses for a project n can not find anaything on the internet please help 

Answer 1

These 2 links may help you get started.  Check them out.  But keep in mind that the exact chemical composition may be a closely guarded trade secret.

 

https://en.wikipedia.org/wiki/Polaroid_(polarizer)#Patent

 

https://en.wikipedia.org/wiki/Herapathite