Difference between revisions of "Oil varnish"

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== Description ==
 
== Description ==
  
Any protective coating that contains a drying oil, such as [http://cameo.mfa.org/materials/fullrecord.asp?name=tung%20oil tung oil] or [http://cameo.mfa.org/materials/fullrecord.asp?name=linseed%20oil linseed oil]. Some early resin-oil varnish recipes in the 12th century contained a resin, such as [http://cameo.mfa.org/materials/fullrecord.asp?name=sandarac sandarac], [http://cameo.mfa.org/materials/fullrecord.asp?name=amber amber], or [http://cameo.mfa.org/materials/fullrecord.asp?name=copal copal], dissolved in a boiled linseed oil. 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. Long-oil varnishes, such as [http://cameo.mfa.org/materials/fullrecord.asp?name=spar%20varnish spar varnish], have a high proportion of [http://cameo.mfa.org/materials/fullrecord.asp?name=drying%20oil drying oil]. Short-oil varnishes have a lower proportion.
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Any protective coating that contains a drying oil, such as [[tung%20oil|tung oil]] or [[linseed%20oil|linseed oil]]. Some early resin-oil varnish recipes in the 12th century contained a resin, such as [[sandarac|sandarac]], [[amber|amber]], or [[copal|copal]], dissolved in a boiled linseed oil. 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. Long-oil varnishes, such as [[spar%20varnish|spar varnish]], have a high proportion of [[drying%20oil|drying oil]]. Short-oil varnishes have a lower proportion.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
"vernis à l'huile (Fr.); barniz al aceite (Esp.); vernice cotta (It);  
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vernis à l'huile (Fr.); barniz al aceite (Esp.); vernice cotta (It);  
  
 
Examples include: cooked oil varnish; hard oil varnish; linseed oil varnish; oil resin varnish;
 
Examples include: cooked oil varnish; hard oil varnish; linseed oil varnish; oil resin varnish;
  
== Sources Checked for Data in Record ==
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==Resources and Citations==
  
 
* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
 
* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
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* ''Paint in America'', Robert Moss (ed.), John Wiley & Sons, New York, 1994  Comment: Ian Bristow "House Painting in Britain"
 
* ''Paint in America'', Robert Moss (ed.), John Wiley & Sons, New York, 1994  Comment: Ian Bristow "House Painting in Britain"
  
* Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
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* Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 14:08, 2 October 2022

Description

Any protective coating that contains a drying oil, such as Tung oil or Linseed oil. Some early resin-oil varnish recipes in the 12th century contained a resin, such as Sandarac, Amber, or Copal, dissolved in a boiled linseed oil. 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. Long-oil varnishes, such as Spar varnish, have a high proportion of Drying oil. Short-oil varnishes have a lower proportion.

Synonyms and Related Terms

vernis à l'huile (Fr.); barniz al aceite (Esp.); vernice cotta (It);

Examples include: cooked oil varnish; hard oil varnish; linseed oil varnish; oil resin varnish;

Resources and Citations

  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  • Paint in America, Robert Moss (ed.), John Wiley & Sons, New York, 1994 Comment: Ian Bristow "House Painting in Britain"