微纳米纤维三维抗菌海绵具有湿/孔径双梯度,用于快速透液体和在尿布中保持均的液体
Diedie Wei1, Baokang Yu1, Dandan Chen1
1International Joint Laboratory of New Textile Materials and Textiles of Henan Province, Zhongyuan University of Technology, Zhengzhou 450007, People's Republic of China.
ACS applied materials & interfaces
|November 29, 2024
概括
使用超吸收纤维 (SAF) 和水解聚烯 (HPAN) 纳米纤维的新型尿布芯提供快速的液体吸收和保留. 这种先进的结构通过尽量减少诸如反透等问题来提高舒适度和皮肤健康.
科学领域:
- 材料科学 材料科学 材料科学
- 织工程 织工程 织工程
- 生物医学工程 生物医学工程
背景情况:
- 使用超吸收聚合物 (SAP) 和纸的传统一次性尿布芯表现出缓慢的吸收,层分离和潜在的皮肤刺激.
- 需要改进的尿布核心材料,增强液体管理和抗菌特性,以提高佩戴者的舒适性.
研究的目的:
- 开发一种新的三维多孔芯结构,用于一次性尿布使用溶液吹 (SBS).
- 设计具有快速液体吸收,均保留和固有的抗菌特性的核心,以解决当前设计的局限性.
主要方法:
- 使用超吸收纤维 (SAF) 和通过溶液吹 (SBS) 的水解聚烯 (HPAN) 制造双渐变微纤维结构.
- 逐渐增加SAF含量和控制的纤维直径,以创建渐变孔结构 (30μm-16μm-7μm).
- 将e-poly-l-lysine化物 (e-PLH) 作为天然抗菌剂的加入.
主要成果:
- 与商业芯相比,开发的梯度孔结构显示液体透速度明显更快 (减少13秒),反透减少 (1.4g减少).
- 液体吸收和保留率分别是47.7和46.1倍,比商业尿布提高了1.6倍.
- 核心在没有直接与皮肤接触的情况下使用e-PLH实现了超过99.99%的抗菌有效性,确保更快,更均的吸收并防止断层形成.
结论:
- 用SBS制造的SAF/HPAN微纤维芯具有双梯度孔结构,为一次性尿布提供卓越的液体处理能力.
- -PLH的整合提供了有效的非接触抗菌特性,提高了安全性和性能.
- 这种创新的尿布核心设计显著提高了佩戴者的舒适性,并解决了现有产品的关键性能限制.
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