Engineering better sprays for leaf coating: from drop impact to retention

设计更好的叶面涂层喷雾：从跌落冲击到保留

• 批准号: DP190102614
• 负责人: A/Prof Patrick Spicer
• 金额: $ 32.62万
• 依托单位: The University of New South Wales
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2019
• 资助国家: 澳大利亚
• 起止时间: 2019-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP190102614
• 关键词: Engineering; better; sprays; leaf; coating

This proposal aims to understand the performance of a unique rheological modifier that can enable an order of magnitude increase in coating efficiency for aerosol sprays while not affecting the quality of droplet formation during spraying. The effect occurs via a dispersed network of fibrous particles in water, providing a weak but useful ability to coat surfaces by responsively adjusting its structure. The material is expected to enable a broad array of applications, from agricultural treatments to nasal sprays, by exhibiting responsive behaviour at concentrations much lower than conventional modifiers require. The project will study the responsiveness of the system in single droplet, spray, and coating form as well as an active delivery system.

本提案旨在了解一种独特的流变改性剂的性能，该改性剂可以在不影响喷涂过程中液滴形成质量的情况下，将气溶胶喷雾的涂层效率提高一个数量级。这种效果是通过水中分散的纤维颗粒网络发生的，通过响应性地调整其结构，提供了一种微弱但有用的涂覆表面的能力。该材料有望实现广泛的应用，从农业处理到鼻腔喷雾剂，通过在远低于传统调节剂要求的浓度下表现出反应性行为。该项目将研究该系统在单滴、喷雾和涂层形式以及主动输送系统中的响应性。