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Question asked 2018-08-23 15:31:48 ...
Most recent comment 2018-08-31 12:46:41
Sizes and Adhesives
I have a piece of dibond that was sanded and had 2 layers of Bullseye 1-2-3 primer on it and then an old acrylic underpainting for a painting I never started.
I primed the dibond again with 3 coats of Bullseye 1-2-3 primer over the old acrylic painting and lightly sanded the last layer with very fine grit sandpaper. I then painted a undiluted acryic underpainting with fluid consistency.
After a few days I painted with oil paint thinned with pure walnut oil and found that around 4-6 hours later parts of the paint were dry and non-shiny as though the oil has been sucked down into the primer/acrylic underpainting.
In this case I am guessing that the (in total) 5 layers of bulleye 1-2-3 primer resulted in a too absorbant surface, but I expected the acrylic paint to seal the primer to some extent. But it seemed to have no effect judging by the speed the oil paint was sucked into the primer.
Is this perhaps due to the acrylic resin used in the paint or a property common to all acrylic paints due to their open surface nature? (in contrast to the closed nature of oil paints).. Are all acrylic paints absorbant to oil?
Answers and Comments
Sorry for the late reply, we just finished our week of graduate
art conservation oral presentations and defenses.
I am not sure what happened in this case other than
apparently the five coats of Bullseye 1-2-3 primer created a very absorbent surface.
I have encountered similar effects when painting an oil imprimatura on a true gesso
ground on a panel. The imprimatura can become very matte in a short period of
time. I combat this to a degree by sizing the gesso before applying the
I certainly would have thought that the acrylic dispersion
paint would have lessened the absorbency of the primer but I have never
experimented with this combination of materials. I do not think that this
effect is common to all acrylic dispersion paints but perhaps other moderators have
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