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Re: PET and Mylar + PE bottles
> Original Poster: "chris morgan" <crmorgan-at-hotmail-dot-com>
>
>
> We're doing organic chemistry in my chem 2 class right now and today we
> watched a video on polymers. It fetured the invintor of the plastic pop
> bottle. He sai that the meterial used was basicly two layers of
> polyethaline with the molecular chains perpandicular to each other. He
> referered to it by its systematic name, which I don't remember, and then
> abrieviated it "PET". I rembered from some of the messages in the list
> archive that this is the same as Mylar. So I looked up Mylar in a big
> reference book during my lunch break and I found that PET and Mylar are
> the same, but the PE stands for polyester not polyethaline. So what I'm
> thinking is that these are two different polymers that have the same
> abrieviation, can anyone confirm/ disprove that?
I think you'll find that PE does stand for polyethylene and that PET
stands for polyethylene terepthalate which is in fact mylar (du Pont
trade name).
?
Malcolm