Certification of the Rheological Behavior of Srm 2490, Polyisobutylene Dissolved in 2, 6, 10, 14-Tetramethylpentadecane (Classic Reprint) - Brossura
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Excerpt from Certification of the Rheological Behavior of Srm 2490, Polyisobutylene Dissolved in 2, 6, 10, 14-Tetramethylpentadecane
Srm 2490 replaces an earlier material, srm 1490, which consisted of polyisobutylene dissolved in normal hexadecane. Srm 1490 was certified in 1977 but discontinued in 1990 when deviations from the certified properties were identified. Among the possible reasons for the deviation from the certified properties were the packaging of the material and evaporation of the solvent. Srm 1490 was delivered in large (201iter, 5 gallon)p1astic containers, with material transferred to bottles for sale as needed; material taken from different large containers might have led to a difference in properties from one lot of bottles to the next. Similarly, evaporation of the solvent through the plastic containers over time could have led to changes in properties; in the measurements that showed a deviation, the viscosity was found to be higher than the certified value, which is consistent with solvent evaporation. In addition to these problems, the normal hexadecane used as a solvent also limited the useful temperature range of the material, since normal hexadecane crystallizes at 18 °c (64 bf)
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Certification of the Rheological Behavior of Srm 2490, Polyisobutylene
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Paperback. Condizione: New. Print on Demand. This book presents the results of a study to certify the rheological properties of a non-Newtonian fluid consisting of polyisobutylene dissolved in -tetramethylpentadecane. These properties determine the fluid's behavior under the influence of stress and are crucial for industrial applications. The authors provide a detailed account of the preparation, testing, and analysis involved in the certification process. The methods employed are described with precision, including the use of cone and plate fixtures and parallel plate fixtures for steady shear and dynamic testing, respectively. The authors thoroughly assess sources of uncertainty in their measurements, considering factors such as temperature fluctuations, transducer accuracy, and geometric imperfections. Their careful approach ensures the reliability of the certified properties. Overall, this book serves as a valuable reference for researchers and practitioners in the field of rheology, providing insights into the behavior of complex fluids and the methods used to characterize their properties. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Codice articolo 9780331261103_0
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Certification of the Rheological Behavior of Srm 2490, Polyisobutylene Dissolved in 2, 6, 10, 14-Tetramethylpentadecane (Classic Reprint)
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PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9780331261103
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Certification of the Rheological Behavior of Srm 2490, Polyisobutylene Dissolved in 2, 6, 10, 14-Tetramethylpentadecane (Classic Reprint)
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PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9780331261103
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