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Synthesis and Properties of a Novel Environmental Epoxidized Glycidyl Ester of Ricinoleic Acetic Ester Plasticizer for Poly(vinyl chloride)

机译：新型环境动力学的环己酰乙酸酯类增塑剂用于聚氯乙烯的环氧化缩水甘油酯的合成

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摘要

A novel renewable plasticizer based on castor oil, epoxidized glycidyl ester of ricinoleic acetic ester (EGERAE), was synthesized and applied into Poly(vinyl chloride) (PVC) for the first time. Its molecular structure was characterized by FT-IR and 1H NMR. The effects of replacement of petroleum-based commercial plasticizer dioctyl phthalate (DOP) with EGERAE in poly(vinyl chloride) (PVC) films were researched. Thermal stability, dynamic mechanical property and mechanical properties of PVC films were investigated with thermogravimetric analysis (TGA), dynamic mechanical analysis (DMA) and tensile tests. The results indicated that this castor oil-based plasticizer was able to improve the thermal stability of PVC blends when partially of completely substituting for DOP. Furthermore, EGERAE endowed PVC resin with enhanced flexibility. In addition, the exudation, volatility and extraction resistance characteristics of plasticizers were researched. The degradation mechanism and possible interaction between EGERAE and PVC molecules in the plasticized system were also investigated.
机译：合成了一种基于蓖麻油的新型可再生增塑剂，即蓖麻油基乙酸酯的环氧化缩水甘油酯（EGERAE），并将其首次应用于聚氯乙烯（PVC）中。其分子结构通过FT-IR和 1 H NMR表征。研究了在聚氯乙烯（PVC）薄膜中用EGERAE代替石油基商业增塑剂邻苯二甲酸二辛酯（DOP）的效果。通过热重分析（TGA），动态力学分析（DMA）和拉伸试验研究了PVC薄膜的热稳定性，动态力学性能和力学性能。结果表明，当部分完全替代DOP时，该蓖麻油基增塑剂能够改善PVC共混物的热稳定性。此外，EGERAE还赋予PVC树脂更大的柔韧性。此外，还研究了增塑剂的渗出性，挥发性和耐萃取性。还研究了增塑体系中EGERAE和PVC分子之间的降解机理以及可能的相互作用。

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