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首页> 外文期刊>Journal of Applied Polymer Science >SOME PHYSICAL CHARACTERISTICS OF DOUBLE-NETWORKED NATURAL RUBBER
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SOME PHYSICAL CHARACTERISTICS OF DOUBLE-NETWORKED NATURAL RUBBER

机译：双网天然橡胶的某些物理特性

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摘要

A double-networked natural rubber (DNNR) was prepared by a ''two-step crosslinking'' method, in which the crosslinking was achieved while the natural rubber was in a stretched condition. The swelling behavior, tensile properties, creep, recovery, and permanent set were investigated. Generally, the observed mechanical properties of DNNR, such as the Young's modulus, tensile strength, toughness, creep, recovery, and permanent set, were considerably improved as the residual extension was increased. They were, however, rather inferior to those of a single-networked natural rubber and showed a minimum at a lower residual extension of about 1.55. The degree of crosslinking and elongation at break were not greatly affected by the residual extension. (C) 1997 John Wiley & Sons, Inc. [References: 25]
机译：通过“两步交联”方法制备双网状天然橡胶（DNNR），其中在天然橡胶处于拉伸条件下实现交联。研究了溶胀行为，拉伸性能，蠕变，回复率和永久变形。通常，随着残余延伸率的增加，观察到的DNNR的机械性能，例如杨氏模量，拉伸强度，韧性，蠕变，回复性和永久变形，都得到了显着改善。但是，它们不如单网状天然橡胶，并且在约1.55的较低残余延伸率下显示最小值。交联度和断裂伸长率不受残余延伸的影响很大。 （C）1997 John Wiley＆Sons，Inc. [参考：25]

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