"Rubber" and "India rubber" redirect here. For other uses‚ see Rubber (disambiguation). This article is about the polymeric material "natural rubber". For man-made rubber materials‚ see Synthetic rubber. Latex being collected from atapped rubber tree Rubber tree plantation of Thailand （7 August 2011） Natural rubber‚ also called India rubber or caoutchouc‚ as initially produced‚ consists of suitable polymers of the organic compound isoprene‚ with minor impurities of other organic compounds
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temporary rubber shoe by dipping their feet into a latex mixture. Rubber was used in various other contexts‚ such as strips to hold stone and metal tools to wooden handles‚ and padding for the tool handles. While the ancient Mesoamericans did not have vulcanization‚ they developed organic methods of processing the rubber with similar results‚ mixing the raw latex with various saps and juices of other vines‚ particularly Ipomoea alba‚ a species of Morning
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volcanic region. It can either be in its pure state or inside minerals such as iron sulfide‚ lead sulfide‚ calcium sulfide‚ and magnesium sulfide‚ among others (S). Sulfur is used in a variety of ways. For instance‚ it is vital in process of rubber vulcanization. Additionally‚ it is used as a component of gunpowder and as a fungicide or bleaching agent (RSC). Despite the aforementioned uses‚ sulfur is mainly used to form sulfuric acid. Sulfuric acid is main ingredient in many fertilizers and lead-acid
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Rubber Boom Slavery Dating back hundreds of years the indigenous people of South and Central America had discovered the many uses of rubber‚ taken from what is known as a "Hevea brasiliensis" or more commonly‚ a rubber tree. When the latex is extracted from the tree it is hardened and formed into rubber which natives would use for numerous tasks such as making shoes‚ handles for tools‚ and even rubber balls for sports (Dean 23). Due to its useful yet uncanny features it created an immediate
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America ’s Economy during the 1840 ’s through the 1860 ’s The influential factors that contributed to the vigorous economic expansion of America during the 1840 ’s through the 1860 ’s‚ consisted of the Industrial Revolution‚ the Improvements in Transportation‚ and Internal Expansion‚ all played a vital role in helping form the dynamic economy. The nations industry was rapidly growing more efficient‚ better quality products‚ with help of the advances in manufacturing technology. A change from unmarried
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Abstract This project provides a framework for scrap tire management; based on the description of the key technologies in a tire supply chain. The main actors and technologies in a tire supply chain are described. India have no legislation for the disposal of used tires as of now‚ but very soon the need will arise for such legislation. Also‚ dumping of used tires from other developing nations is a major issue. In the wake of these issue a proper supply chain for the scrap tire management is developed
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materials that help inventors to move forward in term of idea and production. That is plastic. Plastic has been around more than 150 years. Its history began in 1839 with Charles Goodyear‚ the chemist who accidently discovered the process of vulcanization‚ making rubber more durable and since World War II‚ the pace has picked up and a number of plastics have been created and continue to be used every day. . After WWII‚ there were many innovation and invention
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1. Introduction Every legacy of success begins somewhere. For the Bata Shoe Organization was the small riverside town of Zlin‚ Czechoslovakia‚ founded in 1894 by Czech businessman Tomas Bata in the city of Zlin‚ what was then Czechoslovakia. Coming from a family of shoemakers with a long heritage of eight generations and over three hundred years‚ Tomas Bata capitalized on knowledge‚ expertise and skills to propel his newly founded company forward. The introduction of factory automation‚ long distance
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6. POLYMERS and elastomers Lecture no. 1 Objectives: Definition‚ Functionality‚ Classification of high polymers – based on origin‚ molecular structure. 6.1.1. DEFINITION: The word polymer is derived from the two greek words‚ poly and meros‚ meaning many and parts or units respectively. Polymers are macro molecules formed by linking smaller molecules repeatedly‚ called monomers. Examples: Polythene is formed by linking a large number of ethene (or ethylene) molecules together
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July 11‚ 2000 A brief history of the four rings Compliled by Matt Daniels from Audi AG press releases The Audi emblem of the four rings denotes one of Germany’s oldest automobile manufacturers. It symbolizes the merger in 1932 of four previously independent motor vehicle manufacturers: Audi‚ DKW‚ Horch and Wanderer. These companies are the foundation stones on which the present-day AUDI AG is built. Horch At the end of the 19th century‚ there were already a number of car manufacturers
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