Tracking Water Transport with Short-Wave Infrared: Kinetic Phase Diagrams, Dissolution, and Drying.

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Tác giả: Marco Caggioni, Kendra A Erk, Parth Kelkar, Seth Lindberg

Ngôn ngữ: eng

Ký hiệu phân loại: 305.568 +Alienated and excluded classes

Thông tin xuất bản: United States : Langmuir : the ACS journal of surfaces and colloids , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 178378

Short-wave infrared (SWIR) imaging has been extensively used in defense applications but remains underutilized in the study of soft materials and the broader consumer product industry. Water molecules absorb around ∼1450 nm, making moisture-rich objects appear black, whereas surfactants and other common molecules in consumer products do not absorb and provide a good contrast. This experimental study showcases the varied capabilities of SWIR imaging in tracking water transport in soft material systems by analyzing dissolution dynamics, tracking phase transitions (when combined with cross-polarized optical imaging), and monitoring drying kinetics in the surfactant and polymer solutions. The dynamic phase evolution to equilibria of a binary aqueous solution of a nonionic surfactant hexaethylene glycol monododecyl ether (C
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