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利用湿度工程开发三层DIY面罩,使用低成本材料.

Sourav Sarkar1,2, Achintya Mukhopadhyay1,2, Swarnendu Sen1,2

  • 1Center for Development of Appropriate Social Technologies (CAST), Jadavpur University, Kolkata, India.

Transactions of the Indian National Academy of Engineering : an international journal of engineering and technology
|April 16, 2024
PubMed
概括

自制面罩可以有效防止COVID-19滴滴传播. 使用聚烯和纤维素布的一种简单的三层DIY口罩设计,与手术口罩相比,显示出更高的性能.

关键词:
在 COVID-19 疫情中,滴滴运输的运输方式脸部面具是面具,面具是面具.无布是一种无布.湿度工程 湿度工程 湿度工程

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科学领域:

  • 材料科学 材料科学 材料科学
  • 公共卫生 公共卫生
  • 织工程 织工程 织工程

背景情况:

  • 全球COVID-19病例的激增造成了医疗级面罩的严重短缺.
  • 迫切需要为一般人群提供可访问,有效的自制口罩替代品.
  • 自制口罩必须平衡液滴过与用户舒适性和透气性.

研究的目的:

  • 开发和评估一个简单的,DIY的三层面罩.
  • 评估拟议的自制面具设计的滴滴捕获能力.
  • 为了比较DIY面具与商业上可用的外科面具的性能.

主要方法:

  • 使用易于获得的材料制造了一个三层面罩:两个疏水性聚烯无布层和一个疏水性纤维素布层.
  • 内部疏水层是为用户的舒适性而设计的,允许中间层吸收滴水.
  • 外部的疏水层作为屏障,防止外部水滴和液体透.

主要成果:

  • 这种DIY三层面罩有效地阻止了空气中的液滴传播.
  • 面具的设计通过保持干燥的皮肤接触层来确保用户的舒适性.
  • 初步测试表明,与标准手术口罩相比,水滴传输停止优异.

结论:

  • 一个简单的DIY三层面罩为公众使用的商业面罩提供了可行的和有效的替代方案.
  • 拟议的口罩设计在减轻空气中滴滴的传播方面表现出有希望的性能.
  • 这种方法可以帮助减轻大流行期间对基本医疗保健用品的压力.