From: Christina Z. Anderson (zphoto@montana.net)
Date: 09/03/02-07:08:16 AM Z
OK, Keith, then I would like to try some! Contact me off list...
chris
----- Original Message -----
From: "Monnoyer Philippe" <monnoyer@imec.be>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Tuesday, September 03, 2002 2:12 AM
Subject: RE: silane
> Hi,
>
> I just want to insist on the fact that the DOW Corning z-6040 epoxysilane
is OK to have your emulsion stick to a clean glass surface. This is a fully
transparent clean product. One part of that molecule sticks to the glass.
The other part reacts with the gelatin and is attached chemicaly to it. The
result is a strong bound to the glass surface.
> (Ref. in archives :Subject: RE: chrome alum and plate coating Date: Thu,
02 May 2002 14:33:52 +0200 )
>
> Philippe
>
>
>
> |-----Original Message-----
> |From: Christina Z. Anderson [mailto:zphoto@montana.net]
> |Sent: Tuesday, September 03, 2002 04:23
> |To: alt-photo-process-l@skyway.usask.ca
> |Subject: Re: silane
> |
> |
> | Hi Keith! No, this is great you posted this to the list,
> |because we
> |were discussing using silane as an additive to improve
> |adhesion in liquid
> |emulsion, and since the liquid emulsion topic comes up every
> |couple months,
> |it is timely.
> | Do you think it may be worth a try to use just regular
> |old PVA in the
> |mix? Now, I did try some experiments mixing stuff in
> |emulsion--powdered
> |pigments, for instance, and it still worked great even tho
> |NEVER use red
> |powdered pigment--it looks gross. Powdered pigment into
> |emulsion goes a
> |looooooooooonnnng way. But if Jack says to mix heavy cream into it to
> |emulsify, I don't know why a little PVA wouldn't do
> |something...but I had no
> |problem at all getting emulsion to adhere to aluminum that was
> |1)sanded 2)
> |coated with an oil based polymer varnish, to which I also added gold
> |pigment...have not tried gum, tho.
> | Chris
> |
> |----- Original Message -----
> |From: "Keith Gerling" <keithgerling@att.net>
> |To: <alt-photo-process-l@sask.usask.ca>
> |Sent: Monday, September 02, 2002 11:52 AM
> |Subject: silane
> |
> |
> |> Hi Christina,
> |>
> |> Remember me from a while back? (I think it was you!) We
> |were both trying
> |to
> |> find a source for some of that Dow-Corning Z-6040 silane
> |product? Anyway,
> |I
> |> finally found it. In a word, I find it to pretty much
> |worthless, having
> |> spent about a month with some chemists trying to figure it
> |out. I'd be
> |glad
> |> to send some to you if you like and are still interested.
> |>
> |> I forgot your intended purpose, but you might be interested
> |in mine: I'm
> |> trying to print a series of grain elevators on aluminum
> |panels using gum
> |> bichromate. When it works, the metal shining through and around the
> |pigment
> |> pretty much captures the actual look of a metal grain elevator. I'm
> |working
> |> on about 30 of these pictures, of which about half were all
> |located in
> |> Montana!
> |>
> |> Let me know if you still want this stuff (and my advice,
> |unless you know
> |> anything about it, is to forget it!)
> |>
> |> Later,
> |>
> |> Keith
> |>
> |
> |
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