Caoutchouc
Description
A French term used in Brazil for the milky sap, or latex obtained from various tropical plants from the species Hevea and Ficus. Caoutchouc is a natural rubber composed of polymers of isoprene along with minor impurities of other compounds. It has the capacity for reversible deformation at room temprerature. In 1738, a French research, de la Condamine, presented it's properties, The iin 1839, C. Goodyear discovered theprocess of vulcvanizations., the name caoutchouc was also used for a commercial rubber-based cement in which a small amount of the elastomer was dissolved in a solvent and mixed with mastic. Today, the material is preferentially called Latex or liquid rubber.
Synonyms and Related Terms
latex; caucho (Esp.); latex (Fr., Port.); caucciù (It.); liquid rubber; rubber latex; elastic gum; India rubber; elastic bitumen; rubber cement; weeping wood; caout-rubber;
Physical Properties
- Density = 0.92-0.99
Resources and Citations
- The Free Distionary history
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 675
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
- George Savage, Art and Antique Restorer's Handbook, Rockliff Publishing Corp, London, 1954
- Edward Reich, Carlton J. Siegler, Consumer Goods: How to Know and Use Them, American Book Company, New York City, 1937
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: density=0.92-0.99