time‚ chemists took on the challenge of developing synthetic replacements for rubber. Two primary motivating factors prompted their research. First‚ the war effort required most of the available rubber for building equipment. Second‚ the price of rubber was unstable and it fluctuated frequently. Developing an alternative to rubber could solve both of these problems. At first‚ their goal was to develop a durable elastic strand based on synthetic polymers. In 1940‚ the first polyurethane elastomers
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Materials Science and Engineering A 528 (2011) 1078–1086 Contents lists available at ScienceDirect Materials Science and Engineering A journal homepage: www.elsevier.com/locate/msea Cyclic loadings and crystallization of natural rubber: An explanation of fatigue crack propagation reinforcement under a positive loading ratio N. Saintier a‚∗ ‚ G. Cailletaud b ‚ R. Piques b a b LAMEFIP‚ Arts et Métiers ParisTech‚ Esplanade des Arts et Métiers‚ 33405 Talence Cedex‚ France Centre des matˇeriaux
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Major changes came to the textile industry during the 20th century‚ with continuing technological innovations in machinery‚ synthetic fibre‚ logistics‚ and globalization of the business. The business model that had dominated the industry for centuries was to change radically. Cotton and wool producers were not the only source for fibres‚ as chemical companies created new synthetic fibres that had superior qualities for many uses‚ such as rayon‚ invented in 1910‚ and DuPont’s nylon‚ invented in 1935 as
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devulcanization technology researchers and developers were identified throughout the world‚ however‚ only a very small number of devulcanization systems are now operating. These are primarily small-capacity systems‚ which are devulcanizing natural or synthetic rubbers (as opposed to devulcanizing the mixture of rubbers recovered from waste tires). The general types of devulcanization technologies identified and analyzed in the study are shown below. Technology Basis of Processing Zone of Reaction
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The Singularity: Many of the most recognized writers on the singularity‚ such as Vernor Vinge and Ray Kurzweil‚ define the concept in terms of the technological creation of superintelligence‚ and argue that it is difficult or impossible for present-day humans to predict what a post-singularity would be like‚ due to the difficulty of imagining the intentions and capabilities of superintelligent entities .A good way to understand the singularity is to imagine explaining the internet to somebody living
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Comparative Analysis of Manual Operation and Computerized Operation of Tread Making Process of Althea Retreading Corporation A Research Presented to Prof. Edward R. Torrefranca Department of Mathematics Quezon City Polytechnic University 673 Qurino Highway‚ San Bartolome‚ Novaliches‚ Quezon City In Partial Fulfillment Of the Requirements for the Course MATH 6-Probability and Statistics By: Alde‚ Bianca Marie Diaz‚ Timothy Ganate‚ Regine Gonzales‚ Marlo Jurial‚ Sharmaine Lepiten
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How to Create a Winning Business Idea--in Six Easy Steps I often meet business founders whose minds are overflowing with brilliant ideas for new products. They seem to develop terrific new concepts every single day of their lives. They are watchful‚ always inquiring‚ perceptive and continually seeking (and often finding) the next big thing. Their never-ending challenge is to pick a winner—(only one!)–out of scores of possibilities‚ and run with it. On the other hand‚ I listen to intelligent
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01/12/2011 | finance | Michelin financial analysis | Michelin Company Profile Michelin is a tire producing company created in 1863 by the Michelin brothers. Originally based in Clermont Ferrand‚ the company is now located in more than 170 countries and owns 84 production site all around the world. Even if their core business is the production of tires they diversified their activities in 1900 with the first Michelin map & guides and extend their knowledge for special sector with new
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it reinforcement. I have a ten million peso budget for the next quarter to spend for buying two important materials in manufacturing tires‚ Natural Rubber and Carbon Black. Natural rubber is the basic elastomer used in tire manufacturing then synthetic rubber is often added by manufacturers to reduce cost. To avoid loss of quality‚ Carbon Black is then added which gives the final product reinforcement and abrasion resistance‚ it forms a high percentage of the rubber compound. Both can only be bought
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TITLE FACTS OF THE CASE 1. A-E Chemical Company‚ jointly owned by two large parent companies from Europe and America decided to expand it’s the production of synthetic fibers. 2. European company will acquire and install equipment and in charge for production. 3. American company will assist the European company to produce a product that will be competitive in U.S. market and to provide research and development‚ marketing and sales functions for the new fiber plant. POINT OF VIEW: Vice
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