Re: polivinyl alcohol vs. gelatin sizing

You don't need hardener with the acrylic.
It is more even than a perishable gelatin
It is not affected by humidity.
Easier coating.
Many others but just try it.
Giovanni

----- Original Message -----
From: "Katharine Thayer" <kthayer@pacifier.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Friday, July 29, 2005 1:22 PM
Subject: Re: polivinyl alcohol vs. gelatin sizing

> Hi All,
> I don't understand what the advantage would be over simply sizing with
> acrylic medium, diluted to about the same strength? It seems to me that
> they are similar enough that the effect should be about the same. Or am
> I missing something.
> kt
>
> Jack Brubaker wrote:
> >
> > Giovanni,
> >
> > I have not used the Elmers glue but had some very nice success with what
is
> > marketed as Tite-Bond II (that's a roman numeral 2) in the states. It is
a
> > very waterproof glue meant for gluing wood. I used it diluted with 10
parts
> > water. At least one of the prints I showed a APIS was sized this way.
It's
> > limitation is that the glue is not white or clear but has a yellow color
> > that gives the sized paper a slight "buff" color. It is just off white a
> > little, not so much yellow but a slight amber color. It wouldn't be
right
> > for everything but is very subtle for work that can tolerate a warm
white.
> >
> > Jack
> >
> > > From: Giovanni Di Mase <gdimase@hotmail.com>
> > > Reply-To: alt-photo-process-l@skyway.usask.ca
> > > Date: Fri, 29 Jul 2005 13:52:29 -0400
> > > To: alt-photo-process-l@skyway.usask.ca
> > > Subject: Re: polivinyl alcohol vs. gelatin sizing
> > >
> > > I tried also under Kevin Sullivan suggrestions.
> > >
> > > I am trying to produce very large prints (1 mt x .80 cms) and
obviously the
> > > most difficult part is to get an even coating.
> > >
> > > In my opinion, it is a little bit messy to use Elmer's glue on the
exact
> > > proportion so I went and found the chemical polyvinyl alcohol.
> > >
> > > I tested and works but needs to be tuned.
> > >
> > > I also did some search over the Internet and found interesting
articles at:
> > >
> > >
http://www.celvol.com/index/productsmarkets_index/products_markets_pvoh/pvoh_a
> > > pplication/pvoh_application_paper.htm
> > >
> > > http://www.chemvip.com/SolutionPreparationGuidelines.pdf
> > >
> > > Now Elmer's glue is soluble in water and this issue is being cover at
> > >
> > > http://www.freepatentsonline.com/4110494.html
> > >
> > > I also found that several companies are working on the basis of this
> > > polyvinyl alcohol for the paper and inkjet industries.
> > >
> > > I wonder if anybody in the list has made any further research.
> > >
> > > In my opinion it covers very well the gelatin and paper sizing
requirements
> > > for alternative process.
> > >
> > > Giovanni
> > >
> > >
> > > ----- Original Message -----
> > > From: "Christina Z. Anderson" <zphoto@montana.net>
> > > To: <alt-photo-process-l@sask.usask.ca>
> > > Sent: Friday, July 29, 2005 11:01 AM
> > > Subject: Re: polivinyl alcohol vs. gelatin sizing
> > >
> > >
> > >> Giovanni,
> > >> Kevin Sullivan of B and S fame told me he regularly uses Elmer's Glue
in a
> > >> 1:8-10 dilution for a size. I have not tried it; if you try it
please
> > > tell
> > >> the list how you like it.
> > >> Chris
> > >> ----- Original Message -----
> > >> From: "Giovanni Di Mase" <gdimase@hotmail.com>
> > >> To: <alt-photo-process-l@sask.usask.ca>
> > >> Sent: Friday, July 29, 2005 8:19 AM
> > >> Subject: polivinyl alcohol vs. gelatin sizing
> > >>
> > >>
> > >>> Hi list,
> > >>> As anybody worked or tested the polivynil acetate or alcohol (it is
> > > found
> > >>> in Elkmer glu) as a substitution to gelatin for sizing paper?
> > >>> Thanks,
> > >>> Giovanni
> > >>>
> > >>
> > >>
> > >>
>
Received on Sat Jul 30 05:18:48 2005