Methylcellulose/oil emulsion paintApproveRejectUn-ApproveSubscribeUn-Unsubscribe
Question asked 2020-05-10 08:49:02 ...
Most recent comment 2020-05-10 13:45:55
Oil Paint
Industrial and Non-Traditional Products
I've come across recipes that claim methylcellulose gel (made from powdered MC mixed with water and allowed to gel) can be used as an emulsifier, much like egg yolk, and added to oil paints to make them faster-drying and (up to a point) water-miscible. Is this as archivally-sound as using egg yolk? Are there any special precautions that need to be taken?
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Moderator Answer
(brian baade)
I am quite sure that gelled MC will help facilitate an
emulsion. I would worry about adding more than the smallest amount as the MC on
its own will make a brittle paint. This would also very likely create a
modified oil paint that is more brittle than the one containing only oil, even
if both paints contain the same amount of oil. This may be minor affect and be worth
it, or a real issue depending on the proportions.
The addition of a MC gel would also add a water sensitivity
to the mixed emulsion oil paint. The degree of sensitivity would likely be
proportion to the amount added.
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