Preparation method and application of nucleating agent for recycling PET (Polyethylene Terephthalate)

The invention discloses a preparation method and application of a nucleating agent for recycling PET, and relates to the technical field of modification of recycled PET. According to the invention, p-aminobenzene sulfonic acid, terephthaloyl chloride and sodium hydroxide are taken as raw materials, and the nucleating agent for recycling PET is synthesized through chemical reaction, so that the problems of low crystallization temperature and poor rigidity of the recycled PET are solved, and the industrial development process of recycling of the recycled PET is promoted. 本发明公开了一种回收PET用成核剂的制备方法与应用，涉及回收PET改性技术领域。以对氨基苯磺酸、对苯二甲酰氯与氢氧化钠为原料，通过化学反应合成所述回收PET用成核剂，解决了回收PET结晶温度低、刚性差的问题，从而推动回收PET再利用的工业化发展进程。