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首页> 外文期刊>Polymer: The International Journal for the Science and Technology of Polymers >Molecular weight between physical entanglements in natural rubber: A critical parameter during strain-induced crystallization
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Molecular weight between physical entanglements in natural rubber: A critical parameter during strain-induced crystallization

机译：天然橡胶中物理缠结之间的分子量：应变诱导结晶过程中的关键参数

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摘要

The purpose of this paper is to clarify the role of crosslink density of natural rubber on its strain-induced crystallization. A series of new in situ synchrotron X-ray diffraction experiments were performed during the stretching process of weakly and highly vulcanized natural rubber samples. The experimental data have been analysed in terms of both crystallite size and crystallization rate. Moreover, a careful treatment of previously published data that might appear contradictory has been done. The comparison between all these data, coming from NR of different origins and with different crosslinking states, demonstrates that the molecular weight between physical entanglements in natural rubber appears as a key parameter for strain-induced crystallization (SIC). (c) 2006 Elsevier Ltd. All rights reserved.
机译：本文的目的是阐明天然橡胶的交联密度在其应变诱导结晶中的作用。在弱硫化和高硫化天然橡胶样品的拉伸过程中，进行了一系列新的原位同步加速器X射线衍射实验。已经根据微晶尺寸和结晶速率对实验数据进行了分析。此外，已经对可能显得矛盾的先前发布的数据进行了仔细的处理。来自不同来源的NR和具有不同交联状态的所有这些数据之间的比较表明，天然橡胶中物理缠结之间的分子量似乎是应变诱导结晶（SIC）的关键参数。 （c）2006 Elsevier Ltd.保留所有权利。

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