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Painting
-> Oil Painting
Oil painting
Oil painting is done on surfaces with pigment ground into a medium
of oil — especially in early modern Europe, linseed oil. Other
oils occasionally used include poppyseed oil, walnut oil, and safflower
oil. These oils result in different properties in the oil paint,
such as less yellowing or different drying times. The oil usually
takes weeks to dry.
It was probably developed for decorative or functional purposes
in the High Middle Ages. Surfaces like shields — both those
used in tournaments and those hung as decorations — were more
durable when painted in oil-based media than when painted in the
traditional tempera paints. Many Renaissance sources credit northern
European painters of the 15th century with the "invention"
of painting with oil media on wood panel — Jan van Eyck often
mentioned as the "inventor". The popularity of oil grew
in 16th century Venice, where a water-durable medium was essential.
Recent advances in chemistry have produced modern water miscible
oil paints that can be used with, and cleaned up in, water. These
are still "real" oil-paints in every sense of the meaning.
Small alterations in the molecular structure of the oil creates
this water miscible property.
A still-newer type of paint, heat-set oils, remain liquid until
heated to 265–280 °F (130–138 °C) for about
15 minutes. Since the paint never dries otherwise, cleanup is not
needed (except when one wants to use a different color and the same
brush). Although not technically true oils (the medium is an unidentified
"non-drying synthetic oily liquid, imbedded with a heat sensitive
curing agent"), the paintings resemble oil paintings and are
usually shown as oil paintings.
The paintings are the excellent portrayal of the events and scenes
that we see around us. The painters are the best cameras of the
world. They reproduce many different types of pictures. They even
draw imaginary pictures that do not exist in this world. We tend
to use both thinned oil paints and dense oil paints. Masterpieces
can be dyed more than once, but each time it may be different from
the existing paintings.
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