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Re: [BKARTS] creating bookcloth (et alia)



If I recall my chemistry correctly, formaldehyde is a known carcinogen.  I
worked with it for years doing science, and it truly is a nasty substance.
Smelly, too.  I would not recommend its use if there are other substances
that can be used in its place.
----- Original Message -----
From: "Abi Sutherland" <abi@xxxxxxxxxx>
To: <BOOK_ARTS-L@xxxxxxxxxxxxxxxx>
Sent: Monday, May 24, 2004 11:40 AM
Subject: Re: [BKARTS] creating bookcloth (et alia)


> > Which brings us to another note: We had a pot of paste we made last
week,
> > flour and water paste, boiled and sealed. The bloody thing exploded on
us
> > (we, not exploded, but fermented in the bottle until it started bubbling
> out
> > of the top of the jar.) Anything we can do to prevent this in the
future?
> I
> > have only tried a couple of books with the goop, and am not sure whether
> or
> > not to just stick with the mache/PVA mixture or switch to using smaller
> > volumes of flour paste, which I suppose is less likely to go bad if its
> used
> > up right away.
>
> Well, there is a school of thought that you should make your paste up
fresh
> every time you're going to use it.
>
> If you don't have time, or want to make larger batches for other reasons,
> the three commonest preservatives I know of are clove oil, alum and
> formaldehyde.  I tend to use clove oil myself, with just a few drops per 2
> or 3 cup batch.  I know people who swear by alum, but formaldehyde is
> probably a bit antiquated.
>
> Reverted paste, the separated stuff after fermentation begins, should not
be
> used for adhesive purposes.  I don't know the chemistry behind it, but I
> find it just doesn't stick all that well.
>
> Abi
> www.bookweb.sunpig.com
> - the email of the species is deadlier than the mail -
>
>              ***********************************************
>
>  MDE - Innovation 2004: An International Bookbinding Design Competition
>                        60,000 Euro in total prizes
>               Full information at <http://www.mde2004.org/>
>             E N T R Y  D E A D L I N E  -- J U N E 1, 2 0 0 4
>
>
>         See the Book_Arts-L FAQ at: <http://www.philobiblon.com>
>              ***********************************************
>

             ***********************************************

 MDE - Innovation 2004: An International Bookbinding Design Competition
                       60,000 Euro in total prizes
              Full information at <http://www.mde2004.org/>
            E N T R Y  D E A D L I N E  -- J U N E 1, 2 0 0 4


        See the Book_Arts-L FAQ at: <http://www.philobiblon.com>
             ***********************************************


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