Polymers and cyclic compounds based on a side‐opening type cage silsesquioxane,Journal of Polymer Science Part A: Polymer Chemistry

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Polymers and cyclic compounds based on a side‐opening type cage silsesquioxane
Journal of Polymer Science Part A: Polymer Chemistry Pub Date : 2019-10-12 , DOI: 10.1002/pola.29513
Hiroaki Imoto _{1,

2} , Yuri Sato ₁ , Kensuke Naka _{1,

2}

Affiliation

Polymers having polyhedral oligomeric silsesquioxane (POSS) in the main chains are an important class of organic–inorganic hybrid materials. Despite the increasing attention to the POSS polymers, variation of the monomers is still limited. Herein, we have proposed side‐opening POSS (SO‐POSS) monomers. Platinum‐catalyzed hydrosilylation polymerization proceeded to produce polysiloxanes having SO‐POSS in the main chains. The obtained polysiloxanes showed good solubility, high thermal stability, high transparency, and tunable reflective index. In addition, cyclic compounds were obtained during the investigation of the polymerization, and were synthesized with high selectivity under the slightly diluted conditions. The obtained cyclic compounds showed high thermal stability due to the silsesquioxane backbone, and the high dispersibility as a filler in poly(methyl methacrylate) was demonstrated. © 2019 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2019, 57, 2243–2250

中文翻译：

基于侧开式笼型倍半硅氧烷的聚合物和环状化合物

在主链中具有多面体低聚倍半硅氧烷（POSS）的聚合物是一类重要的有机-无机杂化材料。尽管越来越关注POSS聚合物，但是单体的变化仍然受到限制。在此，我们提出了侧开式POSS（SO-POSS）单体。铂催化的氢化硅烷化聚合反应开始生成在主链中具有SO-POSS的聚硅氧烷。所获得的聚硅氧烷显示出良好的溶解性，高的热稳定性，高的透明度和可调的反射指数。另外，在聚合反应的研究中获得了环状化合物，并且在稍微稀释的条件下以高选择性合成了环状化合物。由于倍半硅氧烷骨架，所得的环状化合物显示出高的热稳定性，并且证明了在聚甲基丙烯酸甲酯中作为填料的高分散性。分级为4 +©2019 Wiley Periodicals，Inc.J.Polym。科学，A部分：Polym。化学2019，57，2243年至2250年

更新日期：2019-10-12

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