基于苯多酸酯的环保增塑剂的合成与应用

IF 3.8 4区 工程技术 Q2 CHEMISTRY, APPLIED
Xiaoyuan Zhu, Pingping Jiang, Yan Leng, Minjia Lu, Zhihao Lv, Yuchao Li, Zhenhua Li
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引用次数: 0

摘要

以苯-1,3,5-三羧酸、偏苯三酸酐、2-丙基庚醇和 2-乙基己醇为原料,制备了四种环保增塑剂,用作聚氯乙烯(PVC)制品的添加剂。与市售的邻苯二甲酸二(2-乙基己酯)(DOP)、对苯二甲酸二(2-乙基己酯)(DOTP)和柠檬酸三丁酯(TBC)进行了应用性能和增塑性能比较。通过傅里叶变换红外光谱和核磁共振光谱分析了目标产品的结构,验证了产品分子结构的指纹区。通过热失重分析、烘箱热老化试验、耐迁移性和耐挥发性试验、DMA 分析和扫描电子显微镜测试了增塑聚氯乙烯薄膜的性能。通过量子化学计算确认了塑化机理,计算结果与迁移结果一致。结果表明,与市售增塑剂相比,苯聚酸酯增塑剂具有更好的热稳定性,在极性环境下具有更好的耐寒性,适用于高温和水性环境。将本研究制备的四种增塑剂与参考增塑剂进行比较,并通过量子化学计算验证了增塑机理。本研究制备的苯聚酸酯增塑 PVC 薄膜具有出色的热稳定性,超过了目前文献报道的某些增塑剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Synthesis and application of environmental plasticizers based on benzene polyacid ester

Synthesis and application of environmental plasticizers based on benzene polyacid ester

Using benzene-1,3,5-tricarboxylic acid, trimellitic anhydride, 2-propylheptanol and 2-ethylhexanol as raw materials, four kinds of environmental plasticizers were prepared, which were used as additives for polyvinyl chloride (PVC) products. Compared with commercially available di (2-ethylhexyl) phthalate (DOP), di (2-ethylhexyl) terephthalate (DOTP), and tributyl citrate (TBC), the application performance and plasticizing performance were compared. The structure of the target product was analyzed by fourier transform infrared spectroscopy and nuclear magnetic resonance spectroscopy to verify the fingerprint region of the molecular structure of the product. The properties of plasticized PVC films were tested by thermal weight loss analysis, oven thermal aging test, migration and volatility resistance test, DMA analysis, and scanning electron microscopy. The plasticizing mechanism was confirmed through quantum chemical calculations, and the results of the calculations were in line with the migration outcomes. The results showed that compared with commercially available plasticizers, benzene polyacid ester plasticizers had better thermal stability, and better cold resistance in the polar environments, suitable for high-temperature and water-based environments.

Highlights

  • The four plasticizers prepared in this study were compared with reference plasticizers, and the plasticizing mechanism was validated through quantum chemical calculations.
  • The PVC film plasticized with benzene polyacid ester prepared in this study demonstrates outstanding thermal stability, surpassing certain plasticizers reported in current literature.
  • Benzene polyacid esters plasticized PVC film has migration stability under various conditions, it has great potential in packaging and other applications.
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来源期刊
Journal of Vinyl & Additive Technology
Journal of Vinyl & Additive Technology 工程技术-材料科学:纺织
CiteScore
5.40
自引率
14.80%
发文量
73
审稿时长
>12 weeks
期刊介绍: Journal of Vinyl and Additive Technology is a peer-reviewed technical publication for new work in the fields of polymer modifiers and additives, vinyl polymers and selected review papers. Over half of all papers in JVAT are based on technology of additives and modifiers for all classes of polymers: thermoset polymers and both condensation and addition thermoplastics. Papers on vinyl technology include PVC additives.
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