Re: polivinyl alcohol vs. gelatin sizing

From: henk thijs ^lt;[email protected]>
Date: 07/30/05-04:21:33 PM Z
Message-id: <404581dbe991a9b7ca383ea7be20c64f@hetnet.nl>

Op 30 jul 2005 om 13:44 heeft Katharine Thayer het volgende geschreven:

> .....................process in practice, and I don't know that those
> who use PVA have
> somehow more control. The chemical structure of the colloid, to my
> mind,
> has little effect on how the process works or whether the printer has
> good control over it. I like gum arabic because I just like it as a
> substance; I enjoy working with it. PVA seems more impersonal, or less
> interesting, or something, to me. Each to his own.
> Katharine
>
>

Some time ago I mentioned the belgian gummist JeanJanssis, who used the
PVA called MOWIOL. When I asked him why he used it instead of gum
arabic, he said that he disliked the formaldehyde used to preserve the
gum .
Cheers,
Henk

----------------------------
web1: thijs-foto.com
web2: f68.nl
Received on Sat Jul 30 16:21:41 2005

This archive was generated by hypermail 2.1.8 : 08/25/05-05:31:52 PM Z CST