Abstract Nowadays, the most commonly cold-resistant plasticizer, bis(2-ethylhexyl)adipate (DOA), not only has the poor migration resistance so that it can only be used as auxiliary plasticizer, but also causes huge pollution to the environment, especially water. Here, using renewable and green oleic acid as raw materials, we had synthesized a series of oleate plasticizers. By means of capability tests, we detected that the Ti (initial degradation temperature) of PVC films plasticized with oleate plasticizers were 40 °C higher than DOA/PVC and 20 °C higher than DOTP/PVC. More importantly, in addition to illustrious migration resistance, they could maintain remarkable flexibility in cold environments as well. The low-temperature efficiency value of these oleate plasticizers exceeded 70 °C, which were much higher than DOTP and DOA. These results demonstrated that they possessed the potential to replace toxic DOP and poorly stable DOA, which provided an effective and green approach to solve the harm of plastic products to human health and the threat to the environment. In addition, these plasticizers broadened the application of PVC in cold environments, which was a boon for the application of PVC industry in the cold-resistant field, and contributed to sustainability of the hackneyed and oft-maligned PVC industry.

中文翻译：

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一种高效的耐寒策略：绿色耐寒生物基聚氯乙烯增塑剂的合成与应用

摘要 目前最常用的耐寒增塑剂己二酸双（2-乙基己基）酯（DOA）不仅耐迁移性差，只能作为辅助增塑剂使用，而且对环境造成巨大污染，尤其是水。在这里，我们以可再生的绿色油酸为原料，合成了一系列油酸增塑剂。通过性能测试，我们检测到油酸增塑剂增塑的PVC薄膜的Ti（初始降解温度）比DOA/PVC高40°C，比DOTP/PVC高20°C。更重要的是，除了出色的抗迁移能力外，它们还可以在寒冷的环境中保持出色的柔韧性。这些油酸增塑剂的低温效率值超过70℃，远高于DOTP和DOA。这些结果表明，它们具有替代有毒 DOP 和稳定性差的 DOA 的潜力，为解决塑料制品对人类健康的危害和对环境的威胁提供了一种有效且绿色的方法。此外，这些增塑剂拓宽了PVC在寒冷环境中的应用，为PVC行业在耐寒领域的应用带来了福音，也为老套的、常被诟病的PVC行业的可持续发展做出了贡献。