基于生物聚合物的环保涂料,增强了素纳米颗粒,用于工程木制面板的表面涂层应用
Gulyaz Al1, Deniz Aydemir2, Nadir Ayrılmış3
1Çanakkale Onsekiz Mart University, Vocational School of Technical Sciences, Çanakkale, Turkiye.
International journal of biological macromolecules
|February 20, 2026
概括
将素添加到聚乳酸 (PLA) 涂层中,提高了热稳定性,并促进了生物废物材料的使用. 然而,它降低了密度,光泽和耐磨性,同时增加了粗性和吸水能力.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 可持续材料 可持续材料
背景情况:
- 聚乳酸 (PLA) 是一种可生物降解的聚合物,具有涂料的潜力.
- 生物基废物材料宁为聚合物改造提供了机会.
- 研究素对PLA性能的影响对于开发可持续涂料至关重要.
研究的目的:
- 评估不同度的红素对基于PLA的涂层性能的影响.
- 评估物理,形态,结构,热和磨损特征.
- 确定在PLA涂层中使用红素的可行性,以提高可持续性.
主要方法:
- 使用双螺丝挤出和压缩成型,制备了具有不同素负载的基于PLA的涂层.
- 测量了物理性质 (密度,光泽度,空气透度,粗度,吸水能力).
- 分析了热稳定性 (T10%,质量损失) 和耐磨性.
- 使用扫描电子显微镜 (SEM) 进行了形态分析.
主要成果:
- 添加素降低了密度,光泽和耐磨性,同时增加了空气透性,表面粗性和水的吸收.
- 热稳定性 (T10%和焦炭形成) 得到了改进,其素含量高达7 wt%.
- SEM揭示了聚和微孔度的增加,与较高的木质素比率相结合,对耐磨性产生负面影响.
结论:
- 将纳米线素纳入PLA-g-MA涂层提高了热稳定性,并促进了生物废物的使用.
- 添加素会对光学性能 (光泽) 和机械性能 (耐磨性) 产生负面影响.
- 优化素含量是必要的,以平衡PLA涂层的可持续性效益与性能权衡.
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