一个可食用的湿度指标,机械地响应湿度的变化
Mengmeng Zhang1, Abinaya Arunachalam1,2, Hugo Perrin1
1Process & Energy Department, Delft University of Technology, Leeghwaterstraat 39, 2628 CB Delft, The Netherlands.
ACS applied polymer materials
|July 20, 2023
概括
这项研究引入了一种新的食品级湿度指标,当暴露在高湿度下,不可逆转地曲和滚动. 这种创新的传感器提供了一种安全,直接的方法来监测敏感产品中的水分.
科学领域:
- 材料科学 材料科学 材料科学
- 食品科学 食品科学 食品科学
- 聚合物科学 聚合物科学
背景情况:
- 高湿度对医疗,食品和制药产品产生负面影响,导致保质期缩短和变质.
- 目前的湿度监测解决方案往往是不可食用的,或者可能会造成污染风险.
研究的目的:
- 开发一种新的食品级湿度指标.
- 研究湿度引起的机械变形背后的机制.
- 为了展示可调节的性能,用于实际应用.
主要方法:
- 使用素和甘油聚合物薄膜制造双层指示器.
- 热重力测量分析和微观结构的表征.
- 机械测试和几何维度分析.
主要成果:
- 指示器在暴露在高湿度下不可逆转地曲和滚动.
- 该机制涉及湿透膨胀和水和甘油的反扩散.
- 指示器的响应时间和曲率可以通过几何设计进行调整.
结论:
- 开发了一种新的,食品级的,自动滚动的湿度指标.
- 该指示器对于与食品和药品直接接触是安全的.
- 这项技术为目前用于水分监测的不可食用传感器提供了一个有希望的替代方案.
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