Difference between revisions of "Caoutchouc"

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== Description ==
 
== Description ==
  
A French term used in Brazil for the elastic sap obtained from various tropical plants from the species ''Hevea'' and ''Ficus''. Caoutchouc normally refers to the plant resin, or raw rubber before processing. In 1836, 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.
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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 propertiesThe 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 ==
 
== Synonyms and Related Terms ==
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== Sources Checked for Data in Record ==
 
== Sources Checked for Data in Record ==
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* The Free Distionary [https://encyclopedia2.thefreedictionary.com/Rubber%2c+Natural#:~:text=Rubber%2C%20Natural%20caoutchouc%2C%20crude%20rubber%2C%20a%20polymer%20of,considerable%20reversible%20deformation%20at%20room%20temperatures%20and%20lower history]
  
 
* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997
 
* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997

Revision as of 13:53, 5 August 2020

Rubber tree Hevea brasiliensis

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;

Rubber tree Hevea brasiliensis
Density 0.92-0.99

Additional Images


Sources Checked for Data in Record

  • 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

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