Polyethylene glycol and parchment

Javier Tacon Clavain <restauracion [at] buc__ucm__es> writes

>A valuable book of our collection (manuscript on parchment)
>"suffered" a "restoration treatment" thirty years ago, with the help
>of polyethylene glycol applied by immersion. Would somebody  to
>predict the aging behavior of this material? Is there any possible
>treatment to remove this PEG?

There are two articles written by Claire Chahine and Christine
Rottier dealing with this subject and describing the ageing process
of leather and parchment treated with PEG. The articles are as
follows:

    Claire Chahine, Christine Rottier
    "Study on the Stability of Leather Treated with Polyethylene
    Glycol", in ICOM Working Group #10, Conservation of
    Leathercrafts and Related Objects, International Meeting
    5.-8.4.1995, Amsterdam

    Claire Chahine, Christine Rottier
    "Influence Du Vieilissement Artificiel sur le Cuir et le
    Parchemin Traitis au Polyethylene Glycol", in: Le Documents
    Graphiques et Photographiques--Analyse et conservation, Travaux
    du Centre De Recherche sur la Conservation des Documents
    Graphiques 1994-1998, Direction des Archives de France (Editor),
    Paris 1999

Dipl. Rest. Jurgen Vervoorst
MA 8- Wiener Stadt- und Landesarchiv
Gasometer D, Wien 11, Guglgasse 14
Magistrat der Stadt Wien
MA 8- Wiener Stadt und Landesarchiv
Rathaus
A 1082 Wien
Austria
+43 1 4000 84832
Fax: (inland): 1 4000 99 84819
Fax: (ausland): +43 1 4000 7238


                                  ***
                  Conservation DistList Instance 16:75
                  Distributed: Thursday, May 29, 2003
                       Message Id: cdl-16-75-002
                                  ***