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

这项建议旨在了解一种独特的流变性改进剂的性能，该改性剂可以在不影响喷雾过程中液滴形成质量的情况下，将气雾剂的涂层效率提高数量级。这种效果是通过分散在水中的纤维颗粒网络产生的，通过响应性地调整其结构，提供了一种微弱但有用的表面涂层能力。这种材料有望在远低于传统改良剂要求的浓度下表现出响应行为，从而实现从农业治疗到鼻腔喷雾的广泛应用。该项目将研究该系统在单滴、喷雾和涂层形式以及主动递送系统中的响应性。

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.