首页> 外文期刊>Journal of Applied Polymer Science >The Effect of Composition and the Introduction of Positive Charge Group (-N(CH_3))_2) on the Multiphase Morphology of Polyurethane/Polyacrylates Interpenetrating Polymer Networks
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The Effect of Composition and the Introduction of Positive Charge Group (-N(CH_3))_2) on the Multiphase Morphology of Polyurethane/Polyacrylates Interpenetrating Polymer Networks

机译:组成和正电荷基团(-N(CH_3))_ 2的引入对聚氨酯/聚丙烯酸酯互穿聚合物网络多相形态的影响

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摘要

A series of interpenetrating polymer networks (IPNs) of polyurethane/polyacrylates were synthesized.Their morphology was investigated by means of smallangle X-ray scattering (SAXS) and transmission electron microscope (TEM).The influence of an active positive charge group (-N(CH_3)_2) on the phase structure of the aforementioned IPNs was studied.The results show not only that the size of phase segregation zones varies with composition but also that the specific interfacial surface ares have a maximum when the weight ratio of polyurethane and polyacrylates is 1 : 2.Moreover,the introduction of an active positive charge group (-N(CH_3))_2 is an important way of increasing the miscibility between two component polymers.
机译:合成了一系列的聚氨酯/聚丙烯酸酯互穿聚合物网络(IPNs),通过小角X射线散射(SAXS)和透射电子显微镜(TEM)研究了它们的形态。 (CH_3)_2)在上述IPNs的相结构上进行了研究,结果表明,当聚氨酯与聚丙烯酸酯的重量比变化时,不仅相分离区的大小随组成而变化,而且比界面的表面积最大。为1:2。此外,引入活性正电荷基团(-N(CH_3))_ 2是增加两种组分聚合物之间互溶性的重要途径。

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