Creation of Controllable Refractive Index Polymers Using Nano-pore of Macrocyclic Hyperbranched Polymers

利用大环超支化聚合物的纳米孔制备可控折射率聚合物

• 批准号: 21750223
• 负责人: MIYASAKA Makoto
• 金额: $ 2.91万
• 依托单位: Kanagawa University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2009
• 资助国家: 日本
• 起止时间: 2009 至 2010
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21750223/
• 关键词: ハイパーブランチポリマー; 低屈折; 低屈折率

Designing a novel low refractive index material based on a new concept is an important and a challenging research topic. This work aimed to design novel low-refractive index materials using hyperbranched polymers (HBP_s). The fluorine content of the HBPs could be controlled by changing the feed ratio and the refractive index values of the HBPs, and it tended to decrease with increasing fluorine content. The values of the refractive index of HBPs based on double-decker-shaped silsesquioxane tended to decrease with increasing structure size of co-monomers. Furthermore, HBP based on calix[8]arene showed a higher T_g and a lower n_D due to the combination of large rigid cavity structure of monomer and branched structure of polymer. Their three-dimensional rigid cavity structures with highly branched architecture prevent the increasing density of polymers due to the presence of microgels, and lead to a relatively lower n_D

基于新概念设计新型低折射率材料是一个重要且具有挑战性的研究课题。本工作旨在利用超支化聚合物（HBP_s）设计新型低折射率材料。氟含量可以通过改变进料比和折射率值来控制，且氟含量随氟含量的增加而降低。随着共聚单体结构尺寸的增大，基于双层倍半硅氧烷的HBP的折射率有减小的趋势。杯[8]芳烃基HBP具有较高的Tg和较低的n D，这是由于单体的大刚性空腔结构和聚合物的支化结构的结合。它们具有高度支化的三维刚性空腔结构，阻止了由于微凝胶的存在而导致的聚合物密度的增加，并导致相对较低的n D

项目成果

Synthesis of Polycarbosilanes by A_2+B_n(n=2,3, and 4) Type Hydrosilylation Reaction and Evaluation of Their Refractive Index Properties

A_2 B_n(n=2,3,4)型硅氢加成反应合成聚碳硅烷及其折射率性能评价

• 发表时间: 2010
• 期刊: J. Polym. Sci., Part A : Polym. Chem. 48
• 作者: H.Kudo;Y.Fujiwara;M.Miyasaka;T.Nishikubo
• 通讯作者: T.Nishikubo

Synthesis of Hyperbranched Polycarbonate by Novel Polymerization of Di-tert-butyl Tricarbonate (DTBC) with 1,1,1-Tris(4-hydroxyphenyl)ethane (THPE)

三碳酸二叔丁酯 (DTBC) 与 1,1,1-三(4-羟基苯基)乙烷 (THPE) 新型聚合合成超支化聚碳酸酯

• 发表时间: 2010
• 期刊: Polym. J. 42
• 作者: M.Miyasaka;T.Takazoe;H.Kudo;T.Nishikubo
• 通讯作者: T.Nishikubo

Synthesis and Characterization of Hyperbranched Polymer Consist of Silsesquioxane Derivatives

倍半硅氧烷衍生物超支化聚合物的合成与表征

• 发表时间: 2010
• 期刊: Polym.J.
• 作者: M.Miyasaka;Y.Fujiwara;H.Kudo;T.Nishikubo
• 通讯作者: T.Nishikubo

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Synthesis of hyperbranched fluorinated polymers with controllable refractive indices

• DOI: 10.1038/pj.2010.134
• 发表时间: 2011-03
• 期刊: Polymer Journal
• 影响因子: 2.8
• 作者: M. Miyasaka;N. Koike;Yusuke Fujiwara;Hiroto Kudo;T. Nishikubo