DOPO功能化的新型疏水聚磷酸铵的制备及在PP中的应用中期报告

精品文档---下载后可任意编辑DOPO 功能化的新型疏水聚磷酸铵的制备及在 PP 中的应用中期报告摘要：本文报道了一种通过化学反应功能化的新型疏水聚磷酸铵（DOPO-PN）的制备方法，并探究了其在聚丙烯（PP）中的应用。首先，DOPO和三乙醇胺（TEA）通过酰胺反应合成了 DOPO-TEA 中间体，然后将DOPO-TEA 中间体通过化学键接到聚磷酸铵（PN）的链端上，制备出DOPO-PN。利用 FTIR、1H NMR 和 TGA 表征，证明了 DOPO-PN 的成功合成。进一步讨论了 DOPO-PN 在 PP 中的应用，结果表明，DOPO-PN 的加入可以显著提高 PP 的疏水性和热稳定性。同时，DOPO-PN 的加入对 PP 的力学性能和透明性几乎没有影响。关键词：DOPO-PN；疏水性；热稳定性；聚丙烯Abstract:This paper reports a preparation method of a new functionalized hydrophobic poly(phosphonium) with DOPO group (DOPO-PN) through chemical reaction, and explores its application in polypropylene (PP). Firstly, DOPO and triethanolamine (TEA) were synthesized into DOPO-TEA intermediate through amide reaction, and then DOPO-TEA intermediate was chemically bonded to the end of poly(phosphonium) (PN) chain to prepare DOPO-PN. FTIR, 1H NMR and TGA were used to characterize the successful synthesis of DOPO-PN. Further studies on the application of DOPO-PN in PP showed that the addition of DOPO-PN could significantly improve the hydrophobicity and thermal stability of PP. At the same time, the addition of DOPO-PN had almost no effect on the mechanical properties and transparency of PP.Keywords: DOPO-PN; hydrophobicity; thermal stability; polypropylene1.引言聚磷酸铵（PN）是一种新型的阳离子聚合物，具有良好的热稳定性、阻燃性、抗氧化性和生物相容性等特点[1-3]。近年来，通过引入不同的官能团，可以改变 PN 的水相性质[4-6]，例如引入苯基、脂肪酸基等疏水基，可以使 PN 在水中形成胶束，从而提高其药物传递、基因递送和生精品文档---下载后可任意编辑物成像等应用领域[7,8]。此外，在塑料工业中，PN 也被广泛地用于改善材料的热稳定性和机械性能[9-11]。2.实验DOPO-TEA 中...