生物质化学工程2025，Vol.59Issue(2)：9-14,6.DOI:10.3969/j.issn.1673-5854.2025.02.002
巯基点击自增塑型PVC的制备及增塑性能研究
Preparation and Plasticizing Performance Study of Thiol Click Self-plasticized PVC
摘要
Abstract
Hyperbranched cardanol polyglycerol with a hyperbranched structure was synthesized by the reaction of epichlorohydrin and cardanol.Then,thiol groups were introduced to the terminal groups through esterification reaction,and three itaconic acid esters were introduced through thiol-click reaction to synthesize hyperbranched cardanol thiol-terminated plasticizer(HCM-X).Finally,HCM-X was grafted onto PVC to prepare thiol-click self-plasticized PVC.The plasticizing effect of self-plasticized PVC was qualitatively analyzed by DMA,TGA and other tests.Through TGA analysis,it was found that the grafting of HCM-X significantly improved the thermal stability of PVC.The thermal decomposition temperature of PVC increased from 264.5℃ to 265.1-269.9 ℃,and the temperature where PVC began to lose mass also increased.Through DMA and tensile performance tests,the effect of HCM-X grafting on the flexibility of PVC was tested.The glass transition temperatures of the internally plasticized PVC decreased from 83.10 ℃ to 68.34-69.59℃ respectively,and the tensile elongation at break increased from 33.38％to 225.24％-272.74％.关键词
自增塑/超支化/腰果酚/巯基Key words
self-plasticization/hyperbranched/cardanol/thiol分类
化学工程引用本文复制引用
游泽宇,余敏,傅仁利,聂小安,常仟永,陈洁..巯基点击自增塑型PVC的制备及增塑性能研究[J].生物质化学工程,2025,59(2):9-14,6.基金项目
国家青年自然科学基金资助项目(32101471) （32101471）
