从粉丰富的食品废弃物中获得具有增强机械性能的水凝:通过响应表面方法的优化
Yalin Li1,2, Xing Zhang2, Yu Wang1
1School of College of Environmental and Biological Engineering, Henan University of Engineering, Zhengzhou 451191, P. R. China.
ACS omega
|November 24, 2025
概括
食品废弃物粉被化学修饰成一种强大而又灵活的水凝. 这种环保材料显示出高价值应用的前景,利用丰富的可生物降解资源.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 可持续化学 可持续化学
背景情况:
- 食品废粉 (FWS) 是一种易于获得,廉价和可生物降解的资源.
- 将食物废弃物转化为功能材料的价值化解决了环境问题,并促进了循环经济.
研究的目的:
- 从食物垃圾粉制造一个环保的粉基水凝.
- 为了优化水凝的性能,专注于压力强度,使用响应表面方法.
- 评估合成的水凝的机械性能和结构稳定性.
主要方法:
- 自由基移植和FWS与烯胺 (AM) 单体的交联聚合.
- 使用单因素实验和响应表面方法 (RSM) 的优化.
- 通过机械测试进行表征,富里埃变换红外光谱学 (FTIR),X射线衍射 (XRD) 和扫描电子显微镜 (SEM).
主要成果:
- 在特定条件下,优化的水凝在特定条件下达到5.15MPa的压力强度 (原料与液体的比率为5:5,69.395°C,5.6g AM,0.014g MBA,0.561g SPS).
- 机械测试显示压缩模量为3.12 MPa,拉伸强度为0.03 MPa,破裂时的延长率为1005.30%.
- 低频循环压缩测试显示出出色的结构稳定性和形状恢复. FTIR,XRD和SEM证实了成功的接种和网络形成.
结论:
- 食品废弃物粉可以通过化学方法转化为具有理想强度和可塑性的功能性水凝.
- 开发的水凝具有良好的机械性能和稳定性,适合各种应用.
- 这项研究为高价值利用富含粉的食物废弃物提供了一条可行的途径.
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