Difference between revisions of "Tall oil"
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== Description == | == Description == | ||
| − | A black, resinous liquid obtained as a byproduct from the sulfate, or [ | + | 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 11:41, 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