基基纸:结构与属性关系和环境可持续性
Luiz G Greca1, Ainara Azpiazu2, Guillermo Reyes3
1Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, FI-00076 Aalto, Finland; Swiss Federal Laboratories for Materials Science and Technology (EMPA), Cellulose & Wood Materials Laboratory, Dübendorf, 8600, Switzerland.
Carbohydrate polymers
|November 26, 2023
概括
这项研究引入了一种轻微的纤维化方法,用甲动物的贝制成基质纸,为石油产品提供一种可持续的替代品. 这种新的基材料具有可调节的特性,对环境的影响明显低于纳米基.
科学领域:
- 生物材料科学 生物材料科学
- 可持续化学 可持续化学
- 材料工程 材料工程 材料工程
背景情况:
- 从甲生物生物质中提取基的价值,为以石油为基础的材料提供了可持续的替代方案.
- 目前用于隔离基纳米晶和纳米纤维的方法涉及广泛的加工,影响环境和成本的可持续性.
- 开发更温和,可扩展的基加工途径对于可持续的生物产品开发至关重要.
研究的目的:
- 引入一种轻微的纤维化路径,从甲生物生物质中产生"质纸".
- 通过控制基纸的组成来证明定制材料特性的能力.
- 与现有的基纳米材料相比,评估开发的基纸质的环境可持续性.
主要方法:
- 用一种新的,轻微的纤维化工艺来制造素纸.
- 控制了花粉的组成 (宏观和微纤维化花,蛋白质,矿物质).
- 电影是从富含蛋白质的素纸制成的,用于属性表征.
- 进行了生命周期评估,以评估全球变暖潜力.
主要成果:
- 由蛋白质丰富的丁纸制成的薄膜表现出高达93 ± 7 MPa的最终强度.
- 表面能量和湿行为是可调节的,根据纸的成分,从水性到近乎水性.
- 生命周期评估显示,与基纳米晶相比,基纸的全球变暖潜力减少了2至3倍.
结论:
- 已经建立了一个新的,潜在的可扩展的途径,通过基纸质产生基基材料.
- 与纳米基和基托相比,这种方法可以减少环境足迹.
- 这些发现为开发超越纳米应用的环境和经济可持续的氨酸价值化开辟了道路.
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