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一种坚固,稳定和可扩展的多功能复合泡,利用枝修剪废弃物中的红素和纤维素的全部成分
Xiuru Su1, Chuan Xu2, Jianming Liao3
1State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China.
International journal of biological macromolecules
|March 12, 2025
概括
一种新型的复合泡 (FPLs) 来自基于素的水性聚氨和纤维素纤维,为塑料泡提供了一个可持续的替代品. 这种环保材料具有高强度,耐热性和水稳定性,解决了环境问题.
科学领域:
- 材料科学 材料科学 材料科学
- 绿色化学 绿色化学
- 可持续的高分子.
背景情况:
- 基于石油的泡由于不可生物降解性和不良的热稳定性而带来环境和安全风险.
- 建筑和包装领域急需可持续,环保的泡替代品.
- 用废物生物质来生产材料符合循环经济原则.
研究的目的:
- 从可持续资源开发一种高强度,耐热,耐水复合泡 (FPLs).
- 为复合泡引入一个环保和可扩展的制造方法.
- 评估新型FPLs材料的性能和环境效益.
主要方法:
- 复合泡的制造使用基于的水性聚氨 (LWPUs) 与来自李子修剪废物的纤维素纤维交叉连接.
- 机械性质的表征,包括压缩模量和屈服强度.
- 评估耐水性,光热转换,热稳定性和绝缘性能.
主要成果:
- 这种复合泡具有很高的压力模量 (455.8 kPa) 和度强度 (191.2 kPa).
- 证明了出色的耐水性 (接触角度为122°),光热转换 (高峰温度). 199.7 °C),以及热稳定性 (高达250 °C).
- 实现了卓越的绝缘性能 (导热率为0.038W/mK),具有固有的可降解性和可回收性.
结论:
- 开发的基于LWPU的复合泡 (FPL) 为传统塑料泡提供了高性能,可持续的替代品.
- 制造方法是环保的,简单的,可扩展的,避免了专门的干燥技术.
- 这些发现提供了一种可行的解决方案,以减轻塑料废物和促进农业废物的利用.
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