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用3D打印方法制备的压力驱动分离膜:在缩子皮提取物中的性能

Priscila Pini Pereira¹, Isabela Pacola Gonçalves¹, Luiza C A Molina¹

¹Department of Chemical Engineering, State University of Maringá, 5790 Colombo Ave., Maringá 87020-900, PR, Brazil.

|April 25, 2025

概括

融合沉积建模 (FDM) 3D打印创建了一个稳定的多层聚乳酸 (PLA) 膜. 这种新型膜有效地缩多,展示了它在分离过程中的潜力.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
聚合物科学聚合物科学

背景情况:

3D打印提供了对膜制造的精确控制.
传统的膜往往缺乏针对特定应用的定制结构.

研究的目的:

开发使用化沉积建模 (FDM) 的单步3D打印膜.
为了描述制造的聚乳酸 (PLA) 膜的结构和性能.
为了评估膜在多醇度中的有效性.

主要方法:

化沉积建模 (FDM) 用PLA和糖糖进行3D打印.
通过水洗去除糖以产生多孔性.
扫描电子显微镜 (SEM) 和原子力显微镜 (AFM) 用于材料表征.
测量吸附-脱附和接触角度.
对水的透性和分子量切割极限 (MWCO) 的性能测试.

主要成果:

一个机械稳定的,三层的PLA膜被成功制造出来.
鉴定发现了明显的密集和松散的区域,在密集层的槽中有毛孔.
实现了64 L m−2h−1bar−1的水透性和69 kDa的MWCO.
证明有效的聚烯度,具有78-98%的选择性和2-3.4 L m−2h−1bar−1的透性.

结论:

FDM 3D打印是一种可行的方法,可以创建具有可控结构的功能膜.
开发的PLA膜显示了聚烯分离和度的巨大潜力.
类似三明治的结构增强了机械稳定性,这对于压力驱动的工艺至关重要.

关键词:

通过3D打印打印的膜.化沉积物的建模.子皮的提取物子皮的提取物多乳酸多乳酸是什么意思聚醇是一种多醇.糖糖是什么糖糖是什么糖糖是什么超过是一种超过.

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