Oil Paintings ? Their Techniques And Ingredients | Articles Manifesto

A typical oil painting starts when an object is sketched onto a canvas with charcoal or thinned paint. Solvents such as turpentine or linseed oil are then added into the paint to get the required thickness. After that, additives like varnishes, cold wax, and resins are added to it to adjust its sheen and translucency so that the artist can regulate the brushstroke he applies on to the canvas.

In order to prevent the oil paint from rotting the canvas over time, the canvas must be primed before use. The principle of ?fat over lean? should be properly followed while applying the paint, which means that each successive layer of paint have more oil than the previous one, which allows proper drying and prevents cracking and peeling of the paint.

Generally, paint brushes are used while painting on a canvas, but rags and palette knives can also be used. Since oil paint takes awhile to dry, this lets the artist work with the piece longer, altering the blend of color, texture, or even the entire picture. Once oil paint dries, it becomes a solid during the drying process of oxidation.

While the paint is still wet, the painter sometimes even dares to remove the entire upper layer and repaint a new look. This is accomplished by using a rag and some turpentine. Once the paint dries and hardens, it must be scraped off. Oil paint is usually dry to the touch in a day to two weeks.

After a period of six to twelve months, an oil painting is generally considered to be dry enough to have a coat of varnish applied to it. Yet, according to the art conservators, it will take about 60 to 80 years for the painting to be considered a ?completely dry painting.?

The ingredients used for oil painting come from plants. The flax seed produces linseed oil, and the flax plant produces the linen commonly used to make the canvas. Safflower oil is used to form lighter colors such as white, since it yellows less than linseed oil, even though it takes longer to become completely dry.

Modern science has produced water miscible oil paint. As the name suggests, this oil paint was created with a tiny modification in its molecular structure, allowing it to be used with and easily cleaned up with plain water. Heat-set oil, another creation of modern science, is an imitation oil paint that resembles oil paint, and remains liquid when heated to 265-280 degrees Fahrenheit.

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Source: http://articlesmanifesto.com/arts-entertainment/oil-paintings-their-techniques-and-ingredients

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