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Solventless, radiation-cured acrylate formulations for magnetic tape manufacturer.

机译：磁带制造商的无溶剂辐射固化丙烯酸酯配方。

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摘要

Significant progress was made toward identifying a binder materials package that would enable a solventless magnetic tape manufacturing process that would eliminate the possibility of air pollution. Mixtures of commercial acrylate monomers and acrylate-terminated urethane oligomers gave electron beam cured films with good tensile properties. The binder polymers suffered no significant decrease in tensile strength after accelerated aging at 60°C and 90% relative humidity. Commercial magnetic particles were treated with silane coupling agents, which enabled the preparation of dispersions with rheological properties that approach those of conventional solvent-based formulations. A methacylate functionalized silane coupling agent provided the best rheological properties. Branched silane coupling agents provided steric barriers against magnetic attraction forces between particles. Magnetic particles acted as reinforcing fillers in a magnetic tape. Silane treated particles provided 20–30% increase in tensile strength and Young's modulus over untreated particles. UV could cure the magnetic tape containing 70 wt% particles. This was done with the help of silane coupling agents which acted as dispersion stabilizing agents.
机译：在确定粘合剂材料包装方面取得了重大进展，该包装将使无溶剂磁带制造工艺能够消除空气污染的可能性。商业丙烯酸酯单体和丙烯酸酯封端的氨基甲酸酯低聚物的混合物使电子束固化膜具有良好的拉伸性能。在60℃和90％相对湿度下加速老化后，粘合剂聚合物的拉伸强度没有显着降低。商业磁性颗粒用硅烷偶联剂处理，从而能够制备出流变性质接近传统溶剂型配方的分散体。甲基丙烯酸酯官能化的硅烷偶联剂可提供最佳的流变性。支链硅烷偶联剂提供了空间屏障，可防止颗粒之间的磁引力。磁性颗粒充当磁带中的增强填料。硅烷处理过的颗粒比未处理过的颗粒提高了20-30％的拉伸强度和杨氏模量。 UV可以固化包含70 wt％颗粒的磁带。这是借助于硅烷偶联剂完成的，该硅烷偶联剂起着分散稳定剂的作用。

著录项

  • 作者

    Huh, Jin Young.;

  • 作者单位

    The University of Alabama.;

  • 授予单位 The University of Alabama.;
  • 学科 Engineering Materials Science.; Chemistry Polymer.
  • 学位 Ph.D.
  • 年度 2001
  • 页码 90 p.
  • 总页数 90
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料学;高分子化学（高聚物）;
  • 关键词

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