Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry (CAF), Jiangsu Province, No. 16 Suojin North Road, Nanjing, 210042, P.R. China.
National Engineering Lab for Biomass Chemical Utilization, Jiangsu Province, No. 16 Suojin North Road, Nanjing, 210042, P.R. China.
Sci Rep. 2018 Jan 25;8(1):1589. doi: 10.1038/s41598-018-19958-y.
The waste cooking oil (WCO) production from the catering industry and food processing industry causes serious environmental, economic and social problems. However, WCO can be used for the preparation of fine chemicals such as internal plasticizer. With this aim, this work is focused on preparing internal plasticizer by using WCO and determining technical viability of non-migration poly (vinyl chloride) (PVC) materials. The mannich base of waste cooking oil methyl ester (WCOME) was synthesized from WCO via esterification, interesterification and mannich reaction, which was used to produce self-plasticization PVC materials as an internal plasticizer. The results showed that the PVC was plasticized effectively. Self-plasticization PVC films showed no migration in n-hexane, but 15.7% of dioctyl phthalate (DOP) leached from DOP/PVC(50/50) system into n-hexane. These findings transformed the traditional plastic processing technology and obtained cleaner production of no migration plasticizer from WCO.
废弃食用油（WCO）来自餐饮业和食品加工业，会造成严重的环境、经济和社会问题。然而，WCO 可以用于精细化学品的制备，例如内增塑剂。为此，本工作专注于使用 WCO 制备内增塑剂，并确定非迁移聚氯乙烯（PVC）材料的技术可行性。通过酯化、酯交换和曼尼希反应，从 WCO 合成了废弃食用油甲酯（WCOME）的曼尼希碱，将其用作内部增塑剂生产自增塑 PVC 材料。结果表明，PVC 被有效增塑。自增塑 PVC 薄膜在正己烷中没有迁移，但邻苯二甲酸二辛酯（DOP）从 DOP/PVC（50/50）体系中迁移到正己烷的量为 15.7%。这些发现改变了传统的塑料加工技术，从 WCO 获得了更清洁的无迁移增塑剂生产。
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