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Synthesis and characterization of novel pentaerythritol ester as PVC plasticizer

机译：新型季戊四醇酯作为PVC增塑剂的合成与表征

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摘要

A novel bio-based PVC plasticizer, levulinic acid pentaerythritol ketal ester (LAPKE), was synthesized and evaluated as renewable resource alternatives to traditional phthalate. The structure of LAPKE was characterized by FT-IR, H-1 NMR, and C-13 NMR. The LAPKE and dioctyl phthalate (DOP) at different mass ratio were added to the PVC to prepare PVC samples. The mechanical properties of PVC samples at mass ratio of 1:1 showed that its tensile strength, elongation at break was up to an optimum value. The thermal stability was measured by dynamic thermal stability and thermogravimetric analysis (TGA), and the results showed that the thermal ability of PVC was improved with the addition of LAPKE. The weight loss of migration property (volatility, leaching test and exudation) has also increased by increasing mass ratio of LAPKE. (c) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 44227.
机译：合成了一种新型的生物基PVC增塑剂，乙酰丙酸季戊四醇缩酮酯（LAPKE），并作为传统邻苯二甲酸酯的可再生资源替代品进行了评估。 LAPKE的结构通过FT-IR，H-1 NMR和C-13 NMR表征。将不同质量比的LAPKE和邻苯二甲酸二辛酯（DOP）添加到PVC中以制备PVC样品。质量比为1：1的PVC样品的力学性能表明其拉伸强度，断裂伸长率达到最佳值。通过动态热稳定性和热重分析（TGA）测量热稳定性，结果表明，通过添加LAPKE可以提高PVC的热性能。通过增加LAPKE的质量比，迁移特性（挥发性，浸出试验和渗出）的重量损失也有所增加。 （c）2016 Wiley Periodicals，Inc. J. Appl。 Polym。科学2016，133，44227。

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