Difference between revisions of "Cooked oil varnish"
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== Description == | == Description == | ||
| − | A varnish prepared by dissolving a [ | + | A varnish prepared by dissolving a [[natural resin]], such as [[copal]], in a hot [[drying oil]]. Cooked oil varnishes may also contain metallic [[drier|driers]] and volatile [[solvent|solvents]]. When dried, cooked oil varnishes form a tough, insoluble film. Oil varnishes dry by polymerization producing a tough, insoluble film. They have a dark initial color that darkens more with age. When used on oil paintings, they may cause cracking and wrinkling of the paint layers. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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hard oil varnish; barniz de aceite cocido (Esp.) | hard oil varnish; barniz de aceite cocido (Esp.) | ||
| − | == | + | ==Resources and Citations== |
* Reed Kay, ''The Painter's Guide To Studio Methods and Materials'', Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983 | * Reed Kay, ''The Painter's Guide To Studio Methods and Materials'', Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983 | ||
Latest revision as of 12:01, 4 July 2022
Description
A varnish prepared by dissolving a Natural resin, such as Copal, in a hot Drying oil. Cooked oil varnishes may also contain metallic driers and volatile solvents. When dried, cooked oil varnishes form a tough, insoluble film. Oil varnishes dry by polymerization producing a tough, insoluble film. They have a dark initial color that darkens more with age. When used on oil paintings, they may cause cracking and wrinkling of the paint layers.
Synonyms and Related Terms
hard oil varnish; barniz de aceite cocido (Esp.)
Resources and Citations
- Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983