一种基于levulinic酸的新型环境辅助可塑化剂的合成和特性,用于聚乙烯化物
Zeyu You1,2, Min Yu2, Renli Fu2
1Key Laboratory of Biomass Energy and Material, Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China.
Polymers
|February 10, 2024
概括
一种新的生物基塑化剂,化油丁酸 (KTBL),增强了聚乙烯 (PVC) 塑化. 将KTBL与二甲基甲酸盐 (DOP) 混合,可以提高机械性能和耐用性,减少对传统增塑剂的依赖.
科学领域:
- 聚合物科学 聚合物科学
- 材料化学 材料化学
- 可持续的塑料 可持续的塑料
背景情况:
- 传统的塑化剂,如二甲甲酸 (DOP),面临着严格的环境审查.
- 在聚合物加工中,越来越需要可持续的,基于生物的替代品.
- 油衍生物为开发新型塑化剂提供了潜力.
研究的目的:
- 开发和评估一种新的生物基塑化剂,即化油丁乙酸盐 (KTBL).
- 研究KTBL作为聚乙烯 (PVC) 的辅助增塑剂的有效性.
- 评估KTBL与DOP混合时的兼容性和塑化作用.
主要方法:
- 合成KTBL从甲基酸和丁酸.
- 制备具有不同比例KTBL和DOP的PVC混合物.
- 使用动态机械热分析 (DMA) 进行表征.
- 评估机械性能 (例如,破裂时的延长).
- 热重力测量分析 (TGA) 测量热稳定性.
主要成果:
- 在与DOP混合时,KTBL与PVC表现出良好的兼容性.
- KTBL与DOP的1:1比率显著提高了机械性能.
- 休息时的延长率从377.47%增加到410.92%,加上KTBL.
- 增加KTBL含量导致材料耐用性提高.
- 随着KTBL的加入,观察到更好的热稳定性.
结论:
- KTBL是一种有效的PVC辅助增塑剂.
- KTBL可以部分取代DOP等传统塑化剂,提供更可持续的解决方案.
- 开发的生物基塑化剂增强了PVC配方的机械性能和耐用性.
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