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首页> 外文期刊>Journal of Applied Polymer Science >Studies on double networks in natural rubber vulcanizates
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Studies on double networks in natural rubber vulcanizates

机译：天然橡胶硫化胶中双网的研究

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The concept of double networks is a rather new idea, by which one imparts chain orientation in elastomers. Double networks were made in natural rubber vulcanizates cured with a single and a new binary accelerator system. Double networks with different extensions were prepared and their effects on tensile properties were analyzed. The influence of extent of initial cure on double-network formation was examined. Thermal stability of the double network formed was analyzed by ageing of the double networks and was found to improve with residual extension. Crosslink density of the networks formed was determined by swelling methods and stress-strain analysis. it was found that crosslink density increased with double-network formation and residual extension. The stress-strain behavior and moduli were analyzed to study the effect of these properties on double-network formation. Double networks were hardly affected by the binary accelerator system. Based on the studies it was found that residual extension was the major factor determining the final properties. (C) 2003 Wiley Periodicals, Inc. J Appl Polym Sci 91: 1068-1076, 2004. [References: 21]
机译：双网的概念是一个相当新的想法，通过它可以在弹性体中赋予链取向。用单个和新的二元促进剂系统固化的天然橡胶硫化胶制成双网。制备具有不同延伸率的双网络，并分析其对拉伸性能的影响。检查了初始固化程度对双网形成的影响。通过双网的老化分析形成的双网的热稳定性，发现其随着残余延伸而提高。形成的网络的交联密度通过溶胀方法和应力应变分析确定。发现交联密度随双网络形成和残余延伸而增加。分析了应力-应变行为和模量，以研究这些性质对双网形成的影响。双网络几乎不受二进制加速器系统的影响。根据研究发现，残余延伸是决定最终性能的主要因素。 （C）2003 Wiley Periodicals，Inc. J Appl Polym Sci 91：1068-1076，2004。[参考：21]

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