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NAM honors U.S. senator for his support of manufacturing
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AKRON—The National Association of Manufacturers recognized U.S. Sen. Rob Portman, R-OH, with the NAM Award for Manufacturing Legislative Excellence, which was presented during an ceremony at ...
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AKRON—The National Association of Manufacturers recognized U.S. Sen. Rob Portman, R-OH, with the NAM Award for Manufacturing Legislative Excellence. AKRON—The National Association of Manufacturers recognized U.S. Sen. Rob Portman, R-OH, with the NAM Award for Manufacturing Legislative Excellence. $AKRON—The National Association of Manufacturers recognized U.S. Sen. Rob Portman, R-OH, with the NAM Award for Manufacturing Legislative Excellence.
Cheng Shin set to open two tire plants
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CHUNGHWA, Taiwan — Cheng Shin Rubber Industrial Co. Ltd.'s new plants in India and Indonesia will start production this year, the Taiwanese tire maker disclosed at its recent investor...
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CHUNGHWA, Taiwan—Cheng Shin, which goes to market under the Maxxis brand, is ready to start up its new plants in India and Indonesia. CHUNGHWA, Taiwan—Cheng Shin, which goes to market under the Maxxis brand, is ready to start up its new plants in India and Indonesia. $CHUNGHWA, Taiwan—Cheng Shin, which goes to market under the Maxxis brand, is ready to start up its new plants in India and Indonesia.
USW files complaint regarding China truck, bus tire decision
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WASHINGTON—The United Steelworkers has filed a complaint with the U.S. Court of International Trade seeking judicial review of the U.S. International Trade Commission's recent negative...
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WASHINGTON—The United Steelworkers has filed a complaint with the U.S. Court of International Trade seeking judicial review of the U.S. International Trade Commission's recent negative determination in the ITC's investigation of truck and bus tires from China. WASHINGTON—The United Steelworkers has filed a complaint with the U.S. Court of International Trade seeking judicial review of the U.S. International Trade Commission's recent negative determination in the ITC's investigation of truck and bus tires from China. $WASHINGTON—The United Steelworkers has filed a complaint with the U.S. Court of International Trade seeking judicial review of the U.S. International Trade Commission's recent negative determination in the ITC's investigation of truck and bus tires from China.
Apollo celebrates milestone event
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GYONGYOSHALASZ, Hungary—In a country filled with relics and buildings that date back several centuries, one of the world's most technologically advanced and environmentally efficient...
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GYONGYOSHALASZ, Hungary—Now that Apollo has christened its newest tire plant in Gyongyoshalasz, it can turn its attention to bolstering its presence in the North American market, specifically the U.S. and Canada. GYONGYOSHALASZ, Hungary—Now that Apollo has christened its newest tire plant in Gyongyoshalasz, it can turn its attention to bolstering its presence in the North American market, specifically the U.S. and Canada. $GYONGYOSHALASZ, Hungary—Now that Apollo has christened its newest tire plant in Gyongyoshalasz, it can turn its attention to bolstering its presence in the North American market, specifically the U.S. and Canada.
Photo Gallery: Bridgestone celebrates re-opening of Akron Data Center
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AKRON, Ohio—Bridgestone celebrated the grand re-opening of its Akron Data Center April 18 with a special ribbon cutting ceremony. The $17.3 million renovation project, which began in July...
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AKRON, Ohio—Bridgestone celebrated the grand re-opening of its Akron Data Center April 18 with a special ribbon cutting ceremony. AKRON, Ohio—Bridgestone celebrated the grand re-opening of its Akron Data Center April 18 with a special ribbon cutting ceremony. $AKRON, Ohio—Bridgestone celebrated the grand re-opening of its Akron Data Center April 18 with a special ribbon cutting ceremony.
Bridgestone develops airless bicycle tires
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TOKYO—Bridgestone Corp., together with Bridgestone Cycle Co., Ltd., has developed an airless bicycle tire as part of its "air free concept" technology, the Japanese tire-maker announced...
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TOKYO—Bridgestone, in partnership with Bridgestone Cycle, has developed an airless bicycle tire as part of its "air free concept" technology. TOKYO—Bridgestone, in partnership with Bridgestone Cycle, has developed an airless bicycle tire as part of its "air free concept" technology. $TOKYO—Bridgestone, in partnership with Bridgestone Cycle, has developed an airless bicycle tire as part of its "air free concept" technology.
East West halts operations at historic rubber facility
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BATON ROUGE, La.—A 74-year history of synthetic rubber manufacturing at the same facility has just ended with the closing and bankruptcy of East West Copolymer L.L.C. The East West plant in ...
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BATON ROUGE, La.—The East West Copolymer plant in Baton Rouge ceased operations March 31. BATON ROUGE, La.—The East West Copolymer plant in Baton Rouge ceased operations March 31. $BATON ROUGE, La.—The East West Copolymer plant in Baton Rouge ceased operations March 31.
Aeolus seeks to raise $840 million for Pirelli deal
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JIAOZUO, China—China's Aeolus Tyre Co. Ltd. is seeking to raise $840 million through a public share offering to cover the cost of acquiring a 90 percent stake in Prometeon Tyre...
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JIAOZUO, China—Aeolus is seeking to raise $840 million through a public share offering to cover the cost of acquiring a 90 percent stake in Prometeon Tyre Group—Pirelli's commercial tire unit—and other industrial tire assets. JIAOZUO, China—Aeolus is seeking to raise $840 million through a public share offering to cover the cost of acquiring a 90 percent stake in Prometeon Tyre Group—Pirelli's commercial tire unit—and other industrial tire assets. $JIAOZUO, China—Aeolus is seeking to raise $840 million through a public share offering to cover the cost of acquiring a 90 percent stake in Prometeon Tyre Group—Pirelli's commercial tire unit—and other industrial tire assets.
Editorial: Synthetic rubber suppliers face a crude hard truth
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When crude prices go up, everything goes up. This observation—by Yuka Kimoto, director of marketing for Lion Elastomers—is the accepted wisdom in the synthetic rubber market, and with ...
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Considering oil prices alone, there is no reason to believe that feedstock prices—and, with them, SR prices—are coming down any time soon. However, according to authoritative sources, butadiene prices are starting to fall. Considering oil prices alone, there is no reason to believe that feedstock prices—and, with them, SR prices—are coming down any time soon. However, according to authoritative sources, butadiene prices are starting to fall. $Considering oil prices alone, there is no reason to believe that feedstock prices—and, with them, SR prices—are coming down any time soon. However, according to authoritative sources, butadiene prices are starting to fall.
Mining industry looks to dig out of slump in 2017
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The mining industry is having a difficult time digging itself out of a multi-year slump, but this year's outlook, while still sluggish, is expected to be an improvement compared to 2016, according ...
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The mining industry is having a difficult time digging itself out of a multi-year slump, but this year's outlook, while still sluggish, is expected to be an improvement compared to 2016, according to industry observers. The mining industry is having a difficult time digging itself out of a multi-year slump, but this year's outlook, while still sluggish, is expected to be an improvement compared to 2016, according to industry observers. $The mining industry is having a difficult time digging itself out of a multi-year slump, but this year's outlook, while still sluggish, is expected to be an improvement compared to 2016, according to industry observers.
Digital Edition
Digital Edition
Published on September 22, 2004

THE INTER-RELATIONSHIP BETWEEN DYNAMIC AND DYNAMIC PROPERETIES

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Date Published September 22, 2004
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It is shown that dynamic storage modulus and dynamic loss modulus exhibit proportionality over a wide temperature range for carbon black filled compounds. This proportionality remains irrespective of carbon black loading and type. Silica filled compounds also exhibit proportionality between dynamic storage modulus (E’) and dynamic loss modulus (E") over a wide temperature range above Tg. Carbon black filled compounds and silica filled compounds however clearly reside on different lines. By making selective compound changes the slope of the E’ versus E" plot, the intercept on the abscissa and the departure from linearity can be altered in a controlled fashion. Due to this inherent proportionality carbon black filled compounds could conveniently be characterized by a single dynamic parameter over a wide working temperature range. It is shown that dynamic properties have a weak effect on DIN abrasion loss. Some carbon black grades lie on the same fundamental trend line while others show a clear discontinuity. Silica filled compounds show discontinuity with N234 and N339 filled compounds. 
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