Difference between revisions of "Tall oil"

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== Description ==
 
== Description ==
  
A black, resinous liquid obtained as a byproduct from the sulfate, or [http://cameo.mfa.org/materials/fullrecord.asp?name=kraft%20paper kraft], paper pulping of [http://cameo.mfa.org/materials/fullrecord.asp?name=pine pine] wood. Tall oil contains 35-60% rosin acids and 50-60% fatty acids ([http://cameo.mfa.org/materials/fullrecord.asp?name=oleic%20acid oleic] and [http://cameo.mfa.org/materials/fullrecord.asp?name=linoleic%20acid linoleic]). It is mixed with lime to produce an inexpensive, oily liquid that dries to a brittle yellow film. Tall oil is used in the manufacture of [http://cameo.mfa.org/materials/fullrecord.asp?name=soap soaps], [http://cameo.mfa.org/materials/fullrecord.asp?name=grease greases], [http://cameo.mfa.org/materials/fullrecord.asp?name=paint paints], [http://cameo.mfa.org/materials/fullrecord.asp?name=alkyd%20resin alkyd resins], [http://cameo.mfa.org/materials/fullrecord.asp?name=linoleum linoleum], [http://cameo.mfa.org/materials/fullrecord.asp?name=fungicide fungicides], [http://cameo.mfa.org/materials/fullrecord.asp?name=cutting%20oil cutting oils], and [http://cameo.mfa.org/materials/fullrecord.asp?name=asphalt asphalt] emulsions.
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A black, resinous liquid obtained as a byproduct from the sulfate, or [[kraft%20paper|kraft]], paper pulping of [[pine|pine]] wood. Tall oil contains 35-60% rosin acids and 50-60% fatty acids ([[oleic%20acid|oleic]] and [[linoleic%20acid|linoleic]]). It is mixed with lime to produce an inexpensive, oily liquid that dries to a brittle yellow film. Tall oil is used in the manufacture of [[soap|soaps]], [[grease|greases]], [[paint|paints]], [[alkyd%20resin|alkyd resins]], [[linoleum|linoleum]], [[fungicide|fungicides]], [[cutting%20oil|cutting oils]], and [[asphalt|asphalt]] emulsions.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==

Revision as of 12:41, 10 May 2016

Description

A black, resinous liquid obtained as a byproduct from the sulfate, or kraft, paper pulping of Pine wood. Tall oil contains 35-60% rosin acids and 50-60% fatty acids (oleic and linoleic). It is mixed with lime to produce an inexpensive, oily liquid that dries to a brittle yellow film. Tall oil is used in the manufacture of soaps, greases, paints, alkyd resins, Linoleum, fungicides, cutting oils, and Asphalt emulsions.

Synonyms and Related Terms

tallol; talleol; liquid rosin

Other Properties

Acid no. =170-180 Saponification no. = 172-185 Iodine no. 120-188.

Density 0.95-0.1
Refractive Index ~ 1.5

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 795
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9210
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002
  • Guy Weismantel, Paint Handbook, McGraw-Hill Book Company, New York, 1981

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