Probe into the mystery of the interface between liquid and solid by contact angle measuring instrument

In the broad field of scientific research and industrial production, the interaction between liquid and solid always occupies a decisive position. This interaction not only affects the key characteristics of materials such as wettability, adhesion, coating effect and biocompatibility, but also is one of the core considerations in the design and performance optimization of many high-tech products. In this context, the contact angle measuring instrument, as a high-precision and high-reliability analysis tool, plays a vital role. With its measuring ability, it reveals the subtle and complex interaction mechanism between liquid and solid interface, and provides strong technical support for the development of materials science, biomedicine, chemical industry, semiconductor manufacturing and other fields.

1. Scope of application

Contact angle, in short, is the included angle formed between the edge of the liquid drop and the solid surface when the liquid drops on the solid surface. This seemingly simple geometric parameter actually contains rich physical and chemical information, which is a direct index to evaluate the wettability of liquid on solid surface. It is by measuring this angle that the contact angle measuring instrument helps researchers to deeply understand the surface properties of different materials, and then guides the selection and modification of materials and the development of new products.

1. Material Science: It is used to evaluate the wettability and surface energy of new materials in the process of material research and development, which is very important for optimizing the hydrophilicity and hydrophobicity of the material surface and improving the durability and functionality of the material.

2. Biomedicine: The design of biomedical implants, drug delivery systems and biocompatible materials should consider the interaction between materials and biological fluids (such as blood and interstitial fluid). It provides key data for evaluating the biocompatibility and blood compatibility of these materials.

3. Chemical Industry and Energy: In the research and development of coatings, inks, adhesives and new energy materials (such as solar panels), contact angle measurement is helpful to optimize the wetting, spreading and adhesion properties of products and improve production efficiency and product quality.

4. Semiconductor manufacturing: In the processes of semiconductor cleaning and photoresist coating, it is very important to control the contact angle between liquid and chip surface to ensure manufacturing accuracy and product yield.

2. Technological innovation

With the progress of science and technology, the contact angle measuring instrument has undergone a transition from traditional manual measurement to high automation and intelligence, and its measurement accuracy, operation convenience and data analysis ability have been significantly improved.

1. High-precision imaging technology: adopting high-resolution camera and image processing algorithm, it can capture the subtle changes of droplet morphology in real time and ensure the accuracy of measurement results.

2. Dynamic contact angle analysis: In addition to the measurement of static contact angle, modern equipment can also conduct dynamic contact angle analysis, such as the measurement of advancing angle, retreating angle and contact angle hysteresis, to reflect the dynamic behavior between liquid and solid interface more comprehensively.

3. Environmental control function: In order to simulate the real application environment, some instruments are equipped with temperature, humidity and gas atmosphere control systems to ensure the reliability of measurement results.

4. Automation and intelligence: The automation of the measurement process is realized through integrated software control, and the measurement results are automatically interpreted by using big data analysis and machine learning technology to improve work efficiency and accuracy.Second, technological innovation

With the progress of science and technology, the contact angle measuring instrument has undergone a transition from traditional manual measurement to high automation and intelligence, and its measurement accuracy, operation convenience and data analysis ability have been significantly improved.

1. High-precision imaging technology: adopting high-resolution camera and image processing algorithm, it can capture the subtle changes of droplet morphology in real time and ensure the accuracy of measurement results.

2. Dynamic contact angle analysis: In addition to the measurement of static contact angle, modern equipment can also conduct dynamic contact angle analysis, such as the measurement of advancing angle, retreating angle and contact angle hysteresis, to reflect the dynamic behavior between liquid and solid interface more comprehensively.

3. Environmental control function: In order to simulate the real application environment, some instruments are equipped with temperature, humidity and gas atmosphere control systems to ensure the reliability of measurement results.

4. Automation and intelligence: The automation of the measurement process is realized through integrated software control, and the measurement results are automatically interpreted by using big data analysis and machine learning technology to improve work efficiency and accuracy.

3. Future prospect

With the rapid development of nanotechnology and biotechnology, the demand for research on the surface properties of materials is increasing, and the application prospect will be broader. In the future, contact angle measurement technology will pay more attention to the integration with other analytical technologies, such as atomic force microscope and spectral analysis, so as to realize multi-dimensional and deep-seated material characterization. At the same time, with the integration of Internet of Things, cloud computing and other technologies, it will move towards remote monitoring and real-time data analysis, providing more convenient and efficient solutions for scientific research and industrial production.

In a word, the contact angle measuring instrument, as an important tool to explore the mystery of the interface between liquid and solid, is leading the material science and related fields to a new development stage with its continuous technological innovation and application expansion, laying a solid foundation for achieving a higher level of scientific and technological innovation and industrial upgrading.