Difference between revisions of "Casein paint"

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[[File:1990.378-C46723CR-d1.jpg|thumb|Café Comedian<br>MFA# 1990.378]]
 
== Description ==
 
== Description ==
  
A water-based, matte paint with a [http://cameo.mfa.org/materials/fullrecord.asp?name=casein casein] binder. Dry casein is hydrolyzed with alkalis ([http://cameo.mfa.org/materials/fullrecord.asp?name=lime%20casein lime], [http://cameo.mfa.org/materials/fullrecord.asp?name=borax%20casein borax], [http://cameo.mfa.org/materials/fullrecord.asp?name=ammonium%20casein ammonia], etc.) to form a clear viscous solution. Casein paints dry to a matte, brittle film that is insoluble in water and impervious to most paint strippers. It may sometimes be removed with strong [http://cameo.mfa.org/materials/fullrecord.asp?name=alkaline alkaline] or [http://cameo.mfa.org/materials/fullrecord.asp?name=ammonium%20hydroxide ammonia] solutions. Casein paints have been used for panel paintings, wall paintings, and as architectural paints. It is too brittle for use on canvas. Casein paints were sometimes varnished or glazed to imitate oil paints. Commercial production of casein paints began about 1900. Prior to that time, most casein paints were prepared by the painter.
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A water-based, matte paint with a [[casein]] binder. Dry casein is hydrolyzed with alkalis ([[lime casein|lime]], [[borax casein|borax]], [[ammonium casein|ammonia]], etc.) to form a clear viscous solution. Casein paints dry to a matte, brittle film that is insoluble in water and impervious to most paint strippers. It may sometimes be removed with strong [[alkaline]] or [[ammonium hydroxide|ammonia]] solutions. Casein paints have been used for panel paintings, wall paintings, and as architectural paints. It is too brittle for use on canvas. Casein paints were sometimes varnished or glazed to imitate oil paints. Commercial production of casein paints began about 1900. Prior to that time, most casein paints were prepared by the painter.
  
 
[[File:image2_caseinpaint.jpg|thumb|Casein paint]]
 
[[File:image2_caseinpaint.jpg|thumb|Casein paint]]
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== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
milk paint; casein colour (Br.); peinture la casine (Fr.); pintura a la casena (Esp.); pittura alla caseina (It.); pintura de casena (Port.); farmer's paint; casein tempera; casein painting; lime casein; badigeon
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milk paint; casein colour (Br.); peinture à la caséine (Fr.); pintura a la caseína (Esp.); pittura alla caseina (It.); pintura de caseína (Port.); farmer's paint; casein tempera; casein painting; lime casein; badigeon
  
== Other Properties ==
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== Physical and Chemical Properties ==
  
 
Insoluble in water or ethanol when dry. Soluble in strong alkalis and ammonium hydroxide. Impervious to most modern paint strippers.
 
Insoluble in water or ethanol when dry. Soluble in strong alkalis and ammonium hydroxide. Impervious to most modern paint strippers.
  
== Hazards and Safety ==
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== Risks ==
  
 
May yellow with time. Susceptible to mold growth.
 
May yellow with time. Susceptible to mold growth.
  
== Additional Information ==
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== Resources and Citations ==
  
K.Wehlte, ''The Materials and Techniques of Painting'', Van Nostrand Reinhold  Co., New York, 1975.  R. J. Gettens and G.L. Stout, ''Painting Materials, A  Short Encyclopaedia'', Dover Publications, New York, 1966.
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* K.Wehlte, ''The Materials and Techniques of Painting'', Van Nostrand Reinhold  Co., New York, 1975.  
  
== Authority ==
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* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966
 
 
* R. J. Gettens, G.L. Stout, R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966
 
  
 
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
 
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
 
* Kurt Wehlte, Kurt Wehlte, ''The Materials and Techniques of Painting'', Van Nostrand Reinhold Co., New York, 1975
 
  
 
* ''Paint in America'', Robert Moss (ed.), John Wiley & Sons, New York, 1994  Comment: M.Phillips, "A Survey of Paint Technolology"
 
* ''Paint in America'', Robert Moss (ed.), John Wiley & Sons, New York, 1994  Comment: M.Phillips, "A Survey of Paint Technolology"
  
* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "Casein Painting." Encyclopdia Britannica. 2004.  Encyclopdia Britannica Premium Service.  14 Apr. 2004 .
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* ''Encyclopedia Britannica'', http://www.britannica.com  Comment: "Casein Painting." Accessed 14 Apr. 2004.
  
* Tom Rowland, Noel Riley, Tom Rowland, Noel Riley, ''A-Z Guide to Cleaning, Conserving and Repairing Antiques'', Constable and Co., Ltd., London, 1981
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* Tom Rowland, Noel Riley, ''A-Z Guide to Cleaning, Conserving and Repairing Antiques'', Constable and Co., Ltd., London, 1981
  
* Marie Svoboda, Marie Svoboda, Conservation Survey Index, unpublished, 1997
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* Marie Svoboda, Conservation Survey Index, unpublished, 1997
  
 
* Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
 
* Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000

Latest revision as of 17:00, 5 December 2020

Café Comedian
MFA# 1990.378

Description

A water-based, matte paint with a Casein binder. Dry casein is hydrolyzed with alkalis (lime, borax, ammonia, etc.) to form a clear viscous solution. Casein paints dry to a matte, brittle film that is insoluble in water and impervious to most paint strippers. It may sometimes be removed with strong Alkaline or ammonia solutions. Casein paints have been used for panel paintings, wall paintings, and as architectural paints. It is too brittle for use on canvas. Casein paints were sometimes varnished or glazed to imitate oil paints. Commercial production of casein paints began about 1900. Prior to that time, most casein paints were prepared by the painter.

Casein paint

Synonyms and Related Terms

milk paint; casein colour (Br.); peinture à la caséine (Fr.); pintura a la caseína (Esp.); pittura alla caseina (It.); pintura de caseína (Port.); farmer's paint; casein tempera; casein painting; lime casein; badigeon

Physical and Chemical Properties

Insoluble in water or ethanol when dry. Soluble in strong alkalis and ammonium hydroxide. Impervious to most modern paint strippers.

Risks

May yellow with time. Susceptible to mold growth.

Resources and Citations

  • K.Wehlte, The Materials and Techniques of Painting, Van Nostrand Reinhold Co., New York, 1975.
  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • 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: M.Phillips, "A Survey of Paint Technolology"
  • Tom Rowland, Noel Riley, A-Z Guide to Cleaning, Conserving and Repairing Antiques, Constable and Co., Ltd., London, 1981
  • Marie Svoboda, Conservation Survey Index, unpublished, 1997

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