Re: [GreenYes] PVC

[GW K <simplyorganic@yahoo.com>]

Muna,
Thank you for the info...
If left to degrade "natural", do you still get
emissions?
What state or temperature does emissions start..
ie can plastics be brought to a liquid form  without
triggering emissions?

Glen

--- Muna Lakhani <muna@iafrica.com> wrote:
> > 
> > Hello, Glen.
> > You wrote:
> > 
> > My question is, does anyone know if there is any
> way
> > to "return" plastic bags to a form that is
> usable/safe
> > for the planet?
> 
> there have been some attempts to do this, with
> limited success -
> recycling is comparatively expensive, as the
> material is bulky for it's
> weight; all processing and re-processing of
> plastics, especially
> flexible plastics, liberate unwelcome emissions,
> such as pthlates; even
> when photo degradable plastics degrade, all they
> make is small bits of
> plastic;
> 
> the most hi-tech process I have encountered is
> "cracking" where
> potentially one breaks down the molecules of the
> plastic, to take it
> back to raw feedstock - there has been some success
> with this, but the
> emissions are, quite frankly, not those we can live
> with....
> 
> IMHO we need to use plastic where appropriate, not
> simply use it because
> it is so easy (at present) to externalise the true
> costs of the
> material...
> 
> Muna
> 
> 
> 
>
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