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Digital BW, The Print

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Re: [Digital BW] Coating, was Photogravure

2002-09-23 by jeffm@gis.net

Robert Morrison wrote:
> 
> On 9/23/02 10:56 AM, "Ernst Dinkla" <E.Dinkla@...> wrote:
> 
> > We print quite a lot of different varnishes. UV curing varnish on offset
> > printed material, spot and full size is most of that work. The problems over
> > a 25 year experience have been with two component epoxy varnish and an
> > alkyde varnish for outdoor work, yellow casts or too much hardening as a
> > result. Both printed on difficult substrates like Alucobond with a white
> > polyester coating or Melamine. Acryl couldn't be used. Normaly Acryls were
> > best in my experience, there are varieties of acryls and copolymeres of
> > course and it is hard to tell what is in it and what makes the difference.
> > Manufacturers are not that open. Of the varnishes that we have none is
> > usable for inkjet paper so far. Not to my taste I should write.
> 
> Understand, UV curable varnishes will be trouble for this application.
> That's one reason that I stayed clear or screen coating techniques...the
> polymers out there are not ideal for the properties that we want a "fine
> art" print to possess.  The best polymers for coating come out the
> "paint/coating" industry...and do not lend themselves to screening.
> 
> Robert

Robert... I missed something....

Is this something that you are working on for your own use OR are you
planning an selling your system to others?

-Jeff

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