----- Original Message -----
From: "Ryuji Suzuki" <rs@silvergrain.org>
To: <alt-photo-process-l@sask.usask.ca>; <martinm@SoftHome.net>
Sent: Monday, August 01, 2005 5:50 PM
Subject: Re: Hard gloss coating and mounting a digital print onto a rigid
surface
> Your film must be coextruded with other plastic or subbed with other
> material in factory.
I am pretty sure it's untreated (Melinex).
> Gelatin has very poor adhesion to plain PET.
Having seen a great many patents about PET subbing, that's what we've been
told all the time. Nevetheless it works.
> For photographic film bases, PET is about 50% crystallized. 250C is
> unsafe. You should stay well below glass transition temperature once
> the material is stretched to form a film.
What I am saying is, PET has good heat resistance - compared to other
plastics...
Martin
Received on Fri Aug 5 12:05:58 2005
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