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相关概念视频

Cellulose and Pectic Polysaccharides01:15

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 Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth.  Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
As a cell matures, its cell wall specializes according to its type. For example, the...
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Towards Biomimicking Wood: Fabricated Free-standing Films of Nanocellulose, Lignin, and a Synthetic Polycation
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吸附剂半透明的基于纤维素的独立的薄膜.

Andrea Brattelli1, Luigi Gentile2

  • 1Aerospace Sciences and Engineering (Inter-University Ph.D.) Polytechnic of Bari, University of Bari Aldo Moro, Via Orabona 4, 70126 Bari, Italy.

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概括

研究人员使用微晶纤维素 (MCC) 和四甲氧化 (TBAH) 开发了可持续的纤维素膜. 这些耐用,独立的薄膜显示了废水处理和抗菌剂应用的潜力.

关键词:
吸附剂是一种吸附剂.纤维素纤维素是一种纤维素.在DMA中,DMA是DMA.甲基烯蓝色是什么颜色超出平衡的情况.薄膜是一种薄膜.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 聚合物化学 聚合物化学
  • 可持续材料 可持续材料

背景情况:

  • 基于纤维素的材料正在成为功能应用的可持续替代品.
  • 开发基于纤维素的材料的高效制造方法对于其广泛采用至关重要.

研究的目的:

  • 介绍一种简单的方法来制造独立的纤维素薄膜.
  • 研究这些新型纤维素薄膜的特性和潜在应用.

主要方法:

  • 使用12%重量微晶纤维素 (MCC) 在40%重量四甲氧化 (TBAH) 水溶液中制造纤维素薄膜.
  • 由纤维素I-纤维素II沉引起的凝.
  • 机械性能和吸附能力的表征.

主要成果:

  • 成功制造了独立的纤维素薄膜.
  • 薄膜具有中等的机械性能 (Young 的模量为 ~460 MPa,拉伸强度为 1-4 MPa,破裂时的延长率为 ~2%).
  • 薄膜显示强烈吸附甲基蓝和稳定性由于TBAH和盐.

结论:

  • 开发的纤维素薄膜对废水处理和染料检测具有前景.
  • 它们的特性表明它们适合用于抗微生物包装,水净化和生物医学技术.
  • 这项研究强调了基于纤维素的材料在应对全球挑战方面的潜力.