直接利用细菌发酵作为湿强剂和在草纤维复合材料上的浮剂
Rui Li1, Dezhi Kong2, Jinpeng Liu2
1College of Engineering, Northeast Agricultural University, Harbin, Heilongjiang 150030, PR China; Heilongjiang Province Technology Innovation Center of Mechanization and Materialization of Major Crops Production, Harbin, Heilongjiang 150030, PR China.
Journal of biotechnology
|February 11, 2026
概括
富含多糖的Bacillus velezensis RL7发酵,作为一种可持续的湿强剂和花剂. 这种环保的替代品增强了纸张的特性,并提供抗真菌活性.
科学领域:
- 生物技术是生物技术.
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 越来越多的环境问题需要在工业应用中为合成添加剂提供可持续的替代品.
- 传统的湿强剂和花剂往往会给环境带来风险.
- 在造纸和水处理方面需要生物基解决方案.
研究的目的:
- 评估Bacillus velezensis RL7发酵的直接应用,作为一个环保的湿强剂和花剂.
- 为了研究细胞外多糖在的功能中的作用.
- 评估泡对纸张性能及其抗真菌能力的影响.
主要方法:
- 发酵Bacillus velezensis RL7以制造汁. 这是一个很好的方法.
- 细胞外多糖的表征 (单糖组成,功能组).
- 应用和CaCl2作为凝固剂在纸制造中的辅助剂,然后进行性能测试 (填充剂保留,湿拉力指数,空气透性).
- 抗真菌活性评估.
主要成果:
- 发酵主要由细胞外多糖 (75.60wt%) 组成,表现出显著的花活动 (97.59%).
- 最佳的添加 (10wt%的,1wt%的CaCl2) 导致填充剂保留率增加 (34.45%),湿拉力指数增强 (260.48%),空气透率降低 (24.23%).
- 聚糖体上的基基很可能会与纤维基基团结,微生物细胞提供抗真菌性质.
结论:
- 百菌 velezensis RL7发酵是一种可行的,可持续的替代合成湿强剂和花剂.
- 这种提供了双重功能:改善纸张的特性,并提供抗真菌活性.
- 这种基于生物的方法符合绿色化学的原则,并减少了对环境的影响.
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