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首页> 外文期刊>Journal of Materials Science >The gelation behaviors of the reactive blends of nylon1212 and functional elastomer
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The gelation behaviors of the reactive blends of nylon1212 and functional elastomer

机译：尼龙1212与功能弹性体的反应性共混物的胶凝行为

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Studies on the gelation behaviors of the reactive blends of nylon1212 and functional elastomer were carried out. The results show that the curves of the storage modulus(G')-frequency (omega) exhibit a gel plateau in the low omega region, and the transition from liquid-like to solid-like viscoelastic behaviors emerges with the concentration of SEBS-g-MA increasing. There exist the gelation behaviors in the blending process similar to those of crosslinking polymer. Based on Winter's method, the gel point of blends is determined to be, phi(g) = 17.45 wt%, and the corresponding value of tan delta is 1.44. The gel index n calculated is 0.61 and the gel strength S (g) is 1.08 x10(4) Pa s(0.61). However, the non-reactive blends of nylon1212 and elastomer have no emergence of gelation behaviors. The morphology analysis shows that the gel point for the reactive blends is a threshold of cocontinuous morphology, and morphology analysis can also be a method to determine the gel point.
机译：研究了尼龙1212与功能弹性体的反应性共混物的胶凝行为。结果表明，储能模量（G'）-频率（ω）的曲线在低ω区域表现出凝胶平台，并且随着SEBS-g的浓度从液体状向固体状转变。 -MA增加。在共混过程中存在类似于交联聚合物的胶凝行为。根据温特的方法，确定共混物的胶凝点为phi（g）＝ 17.45wt％，相应的tanδ为1.44。计算出的凝胶指数n为0.61，凝胶强度S（g）为1.08×10（4）Pa s（0.61）。但是，尼龙1212和弹性体的非反应性共混物没有出现胶凝行为。形态分析表明，反应性共混物的胶凝点是共连续形态的阈值，形态分析也可以作为确定胶凝点的方法。

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