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Self-Assembly of an Ultrahigh-χ Block Copolymer with Versatile Etch Selectivity

机译:超高压嵌段共聚物的自组装,具有多功能蚀刻选择性

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摘要

机译:<![CDATA [我们报告了先前难以接近的聚(3-羟基苯乙烯) - 嵌段-pold(二甲基硅氧烷)(P3HS- B-PDMS)嵌段共聚物(BCP)的成功合成,分子量分子通过顺序活性阴离子聚合来重量和窄分散。化学结构和分子量完全表征〜(1)H NMR和凝胶渗透色谱法。使用小角度X射线散射(SAX)和透射电子显微镜来研究BCP相行为。使用平均场理论,使用来自对称无序样品的温度分辨的萨克斯测量来确定相互作用参数(χ)。结果提供了对相互作用参数的估计,χ_(HS / DMS)( T)= 33.491 / T + 0.3126,上界值为0.39,在150℃下。对于P3HS- B -PDMS计算的χ比在普遍研究的高χ系统中观察到的高度高约4倍,PS- B -PDMS。这里观察到的超高相互作用参数可以在显着的低分子量下形成井有序的材料。在蚀刻选择性方面,PDMS和P3HS的存在提供了显着的多功能性,而羟基苯乙烯结构域提供额外的功能,因为它可以利用函数有机部分来利用它。]>

著录项

  • 来源
    《Macromolecules》 |2018年第16期|共8页
  • 作者单位

    Department of Materials Science and Engineering School of Materials and Chemical Technology Tokyo Institute of Technology;

    Department of Materials Science and Engineering and Department of Chemical and Biological Engineering University of Wisconsin—Madison Madison;

    Department of Chemical and Environmental Engineering Yale University New Haven;

    Department of Chemical and Environmental Engineering Yale University New Haven;

    Department of Materials Science and Engineering and Department of Chemical and Biological Engineering University of Wisconsin—Madison Madison;

    Department of Materials Science and Engineering and Department of Chemical and Biological Engineering University of Wisconsin—Madison Madison;

    Department of Materials Science and Engineering School of Materials and Chemical Technology Tokyo Institute of Technology;

    Department of Chemical and Environmental Engineering Yale University New Haven;

    Department of Materials Science and Engineering and Department of Chemical and Biological Engineering University of Wisconsin—Madison Madison;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 高分子化学(高聚物);
  • 关键词

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