craftgrrl | Project on polymer clay...

i have a chemisty project on a polymer. i obviously chose polymer clay. (which is also known as polyvinyl chloride). i anyone has information on the discovery of polymer clay, or any other information about the historics and other uses of it, it would be greatly appreciated.
i'll post the final project on monday (when it is due) even though it is in french... ill try to trasnlate it, if i have time...

OFF TOPIC! im in a fashion show tuesday and wednesday, and im wearing a skirt and shirt that im making.. then im wearing the same thing to my boyfriends semi... ill post pix of that too...