Difference between revisions of "Wool grease"
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== Description == | == Description == | ||
| − | A fatty, pale yellow solid that coats the fibers of a sheep's wool. Raw wool contains about 20% grease and 12% [ | + | A fatty, pale yellow solid that coats the fibers of a sheep's wool. Raw wool contains about 20% grease and 12% [[suint|suint]]. Wool grease, or wax, is separated from the suint, or salts, by a solvent cleaning procedure. The wax contains a mixture of esters and alcohols, including [[cholesterol|cholesterol]] and isocholesterol. It emulsifies with water and can take up to about 80% of its weight in water. Wool wax is used for ointments, emollients, soaps, and dressing leather and furs. Purified wool wax is called [[lanolin|lanolin]]. |
[[File:00000095A.jpg|thumb|Wool fibers after removal of grease]] | [[File:00000095A.jpg|thumb|Wool fibers after removal of grease]] | ||
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[[media:download_file_38.pdf|Properties of Natural Waxes]] | [[media:download_file_38.pdf|Properties of Natural Waxes]] | ||
| − | + | ==Resources and Citations== | |
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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, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966 | ||
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* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "Lanolin." | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "Lanolin." (Accessed 14 Apr. 2004). |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 13:56, 27 June 2022
Description
A fatty, pale yellow solid that coats the fibers of a sheep's wool. Raw wool contains about 20% grease and 12% Suint. Wool grease, or wax, is separated from the suint, or salts, by a solvent cleaning procedure. The wax contains a mixture of esters and alcohols, including Cholesterol and isocholesterol. It emulsifies with water and can take up to about 80% of its weight in water. Wool wax is used for ointments, emollients, soaps, and dressing leather and furs. Purified wool wax is called Lanolin.
Synonyms and Related Terms
gras de la lana (Esp.); wool wax; wool fat; lanolin; degras
Comparisons
Resources and Citations
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- J.Gordon Cook, Handbook of Textile Fibres:I Natural Fibres, Merrow Publishing Co. , Durham, England, 1984
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Encyclopedia Britannica, http://www.britannica.com Comment: "Lanolin." (Accessed 14 Apr. 2004).