| 書(shū)目名稱(chēng) | Neutron Spin Echo Spectroscopy Viscoelasticity Rheology | | 視頻video | http://file.papertrans.cn/665/664681/664681.mp4 | | 概述 | Highest Impact Factor of all journals ranked by ISI within Polymer Science.short and concise reports on physics and chemistry of polymers, each written by the world renowned experts.still valid and us | | 叢書(shū)名稱(chēng) | Advances in Polymer Science | | 圖書(shū)封面 |  | | 描述 | Viscoelasticandtransportpropertiesofpolymersintheliquid(solution,melt)or liquid-like (rubber) state determine their processing and application to a large extent and are of basic physical interest [1—3]. An understanding of these dynamic properties at a molecular level, therefore, is of great importance. However,thisunderstandingiscomplicatedbythefactsthatdi?erentmotional processes may occur on di?erent length scales and that the dynamics are governed by universal chain properties as well as by the special chemical structure of the monomer units [4,5]. The earliest and simplest approach in this direction starts from Langevin equations with solutions comprising a spectrum of relaxation modes [1—4]. Special features are the incorporation of entropic forces (Rouse model, [6]) which relax uctuations of reduced entropy, and of hydrodynamic interactions (Zimm model, [7]) which couple segmental motions via long-range back ow elds in polymer solutions, and the inclusion of topological constraints or entanglements (reptation or tube model, [8—10]) which are mutually imposed within a dense ensemble of chains. Another approach, neglecting the details of the chemical structure and concentrating | | 出版日期 | Book 1997 | | 關(guān)鍵詞 | Makromoleküle; Polymere; Rheologie; Viscoelastizit?t; polymer | | 版次 | 1 | | doi | https://doi.org/10.1007/3-540-68449-2 | | isbn_softcover | 978-3-662-14803-7 | | isbn_ebook | 978-3-540-68449-7Series ISSN 0065-3195 Series E-ISSN 1436-5030 | | issn_series | 0065-3195 | | copyright | Springer-Verlag Berlin Heidelberg 1997 |
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