Re: Re: Mylar balloons

From: Phedon Tsiknopoulos <phedon21t_at_yahoo.com>
Date: Tue, 6 May 2014 18:48:50 -0700

All I know is that MEK glues PET very well.
Which Means that it dissolves it.
Mylar is totally impervious.
Do you agree with the above?

Sent from my iPhone

On May 6, 2014, at 4:29 AM, <peterwatt745_at_btinternet.com> wrote:

> PET and mylar(melinex in the UK) are both synthesised from dimethyl terephthalate and ethylene glycol to yield polyethylene terephthalate which is not soluble in acetone or MEK.
>
> Are you sure you are not confusing the above with Polyester resin?
>
> Try dissolving a few fibres of a polyester jacket (PET) in either of the above solvents!
>
> Peter Watt
>
> PS I`ve a Ph.D in polymer chemistry
>
>
Received on Tue May 06 2014 - 18:48:52 CEST

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