Tiny polymer particles keep water jets stable for longer

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Published: 2026-09-07T16:05:27.181Z • Permanent link

TU Darmstadt researchers have made a groundbreaking discovery that could revolutionize the field of liquid jet technology. Led by Dr. Daniel Braun, a renowned expert in soft matter physics, the study published in Nature Communications has shed light on the stability of extremely thin liquid jets. The researchers found that tiny, soft polymer particles, known as microgels, can effectively stabilize these jets, allowing for longer durations of stable operation.

The study's findings are the result of a collaborative effort between researchers from TU Darmstadt and the University of California, Los Angeles (UCLA). The team utilized advanced experimental techniques, including confocal microscopy and atomic force microscopy, to investigate the interactions between microgels and liquid jets. The results demonstrate that microgels can significantly improve the stability of liquid jets, reducing the risk of droplet breakup and increasing the overall efficiency of the system.

The implications of this research are far-reaching, with potential applications in various industries, including aerospace, biomedical engineering, and materials science. For instance, the development of more stable liquid jets could lead to improved performance in fuel injection systems, which are critical components in aircraft engines. Moreover, the use of microgels in biomedical applications could enable the creation of more precise and controlled drug delivery systems.

The discovery of microgels' ability to stabilize liquid jets has significant implications for companies involved in the development of advanced materials and technologies. Companies like 3M, Boeing, and Lockheed Martin, which are already pioneers in the field of advanced materials, may see opportunities to integrate microgels into their products and services. The research community, particularly those working on soft matter physics and nanotechnology, will also be keenly interested in the potential applications of microgels.

The potential impact on the market is substantial, with the global aerospace industry alone projected to reach $1.5 trillion by 2025. The development of more stable liquid jets could lead to significant cost savings and improved performance in aircraft engines, which are critical components in this industry. Furthermore, the use of microgels in biomedical applications could enable the creation of more precise and controlled drug delivery systems, leading to improved patient outcomes and reduced healthcare costs.

The discovery of microgels' ability to stabilize liquid jets is part of a larger trend in the field of soft matter physics. Recent advances in the understanding of complex systems and the development of new experimental techniques have led to a surge in research on the properties and behavior of soft materials. This research has far-reaching implications for various industries, including materials science, biomedicine, and energy.