基于Diels-Alder反应的可逆交联芳香族聚酰胺及其碳纳米复合材料的制备、表征及性质研究

项目名称： 基于Diels-Alder反应的可逆交联芳香族聚酰胺及其碳纳米复合材料的制备、表征及性质研究

项目编号： No.51473031

项目类型： 面上项目

立项/批准年度： 2015

项目学科： 一般工业技术

项目作者： 胡祖明

作者单位： 东华大学

项目金额： 78万元

中文摘要： 芳香族聚酰胺是一类性能优异的高性能聚合物，且被广泛用于航天、建筑、交通及体育用品等各个领域。本项目拟合成一类新型含呋喃基团芳香族聚酰胺，芳杂环呋喃基团的引入不仅可以改善芳香族聚酰胺难溶的缺点，同时可以做为反应活性点进行后续Diels-Alder反应制备交联聚酰胺以及共价交联的碳纳米粒子/聚酰胺复合材料。交联聚酰胺及其复合材料体系中Diels-Alder反应的运用不仅可以增强聚合物分子链之间或分子链与碳纳米粒子之间的作用力，大大提高其物理性能，该反应的可逆性更是赋予这类新型高性能聚合物或复合材料可循环加工性，使交联聚合物或复合材料在被破坏之后可以方便的解除交联，并重新加工成型。本项目的提出将为可循环加工型高性能聚合物及复合材料的制备提供新的思路和方法，同时也为经济型高性能聚合物及复合材料的工业化生产提供了新的方向。

中文关键词： 芳香族聚酰胺；Diels-Alder反应；可逆交联；碳纳米材料；复合材料

英文摘要： Aromatic Polyamide is a kind of high-performance polymer with excellent pysical properties, and has been widely used in applications of aerospace,construction, transportation,and sports products, etc. This project proposes a new kind of furan-containing aromatic polyamide. The introduction of heteroaromatic furan groups in the backbone of polyamide could not only improve the processibility of polyamide in organic solvent, but also act as reaction points for the subsequent Diels-Alder reaction to prepare cross-linked polyamide or covalently cross-linked carbon nanoparticles/polyamide nanocomposites. The use of reversible Diels-Alder reaction in the cross-linked polyamide or polyamide nanocomposite systems was expected to not only strengthen the interactions among polymer chains or between polymer chains and nanoparticles,thus greatly improve their physical properties, but also to endow these new kinds of high-performance polymer or nanocomposite with recyclability, so that when the cross-linked polyamide or nanocomposite were destroied, they could be recycled and re-produced by facile decrosslinking and redissolution in organic solvents.This research was expected to provide a new methodology and conception for the fabrication of recyclable high-performance polymers or polymer nanocomposites. Meanwhile, this project might also provide a new direction for the development of economical high-performance materials in industry.

英文关键词： Aromatic polyamide;Diels-Alder reaction;reversible cross-linking;carbon nanomaterials;composites