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首页> 外文期刊>Journal of Applied Polymer Science >Synthesis and application of an environmental epoxy plasticizer with phthalate-like structure based on tung oil and cardanol for poly(vinyl chloride)
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Synthesis and application of an environmental epoxy plasticizer with phthalate-like structure based on tung oil and cardanol for poly(vinyl chloride)

机译：基于桐油和氯氰酸碳醇的邻苯二甲酸酯样结构的整体环氧增塑剂的合成与应用

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摘要

An epoxidized cardanol tungoleate (ECT) based on tung oil and cardanol was synthesized through esterification and epoxidation. The chemical structure of the compound was verified by Fourier transform infrared spectroscopy (FTIR) and proton nuclear magnetic resonance (H-1-NMR). The plasticizing effects of ECT as the main plasticizer in poly(vinyl chloride) (PVC) was studied and compared with the commercial plasticizer dioctyl phthalate (DOP). The thermal migration stabilities, the thermal degradation process and the mechanical properties of PVC samples and the plasticization mechanism of ECT for PVC were investigated through the use of volatility, extraction, discoloration, and tensile tests as well as thermal gravity analysis (TGA), TGA-FTIR analysis, electronic universal testing machine and dynamic mechanical analysis (DMA). Compared with DOP, the ECT plasticized PVC can exhibits better thermal stability, more excellent tensile strength (17.28 MPa) and higher stretchability (629.41%), which is 1161% higher than DOP (1.37 MPa) plasticized PVC film. In addition, the migration resistance and volatility stability of ECT are much better than DOP. Therefore, this fully bio-based plasticizer based on tung oil and cardanol is a promising alternative plasticizer for PVC and may be an excellent phthalate substitute from the perspective of human health and sustainable development.
机译：以桐油和腰果酚为原料，通过酯化和环氧化反应合成了环氧化腰果酚钨酸酯（ECT）。通过傅里叶变换红外光谱（FTIR）和质子核磁共振（H-1-NMR）对化合物的化学结构进行了验证。研究了作为聚氯乙烯（PVC）主要增塑剂的ECT的增塑效果，并与市售增塑剂邻苯二甲酸二辛酯（DOP）进行了比较。通过挥发性、萃取、变色和拉伸试验，以及热重分析（TGA）、TGA-FTIR分析、电子万能试验机和动态力学分析（DMA），研究了PVC样品的热迁移稳定性、热降解过程和力学性能，以及ECT对PVC的增塑机理。与DOP相比，ECT增塑PVC具有更好的热稳定性、更优异的拉伸强度（17.28MPa）和更高的拉伸性能（629.41%），比DOP（1.37MPa）增塑PVC薄膜高1161%。此外，ECT的抗迁移性和挥发性稳定性也比DOP好得多。因此，这种基于桐油和腰果酚的完全生物基增塑剂是一种很有前途的PVC替代增塑剂，从人类健康和可持续发展的角度来看，它可能是一种优秀的邻苯二甲酸盐替代品。

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