What is the difference between droplet angle and dyne value?

There are many measuring instruments on the market that monitor the effects of surface cleaning, activation, and modification on products before and after cleaning? Next, let me share with you the difference between the waterdrop angle measuring instrument and the dyne value:

Firstly, the precision automatic droplet angle tester is an instrument used to accurately measure the contact angle of liquids on solid surfaces. It is mainly used to analyze the hydrophilicity or hydrophobicity of solid surfaces. The following provides a detailed introduction from several aspects, including working principle, structural composition, performance characteristics, and application fields:

1. Working principle: Based on optical imaging technology, a small droplet of liquid is accurately dropped onto a solid sample through a micro injector. A high-precision camera captures the image formed by the droplet on the surface of the solid, and then image processing software is used to analyze the shape and size of the droplet. The angle between the tangent line of the contact edge between the liquid and the solid and the horizontal line of the solid surface, that is, the contact angle, is automatically calculated.

2. Optical system: including high-resolution cameras and zoom microscopes, used to capture clear images of droplets. For example, some instruments use 3 million pixels and a frame rate of 36fps. Industrial cameras paired with 0.7-4.5 continuous zoom industrial lenses can ensure the acquisition of high-quality droplet images.

3. Light source system: usually an LED cold light source with continuously adjustable brightness, which can provide stable and uniform illumination for shooting, avoiding additional heat that may cause small droplets to evaporate and affect measurement results. For example, an industrial grade dense adjustable LED cold light source system can have a lifespan of over 25000 hours.

4. Sample stage: Generally a three-dimensional sample stage that can move up and down, left and right, front and back directions. Some also have a telescopic rod structure designed to adapt to situations with different material thicknesses, making it easy to adjust the position of the sample and keep the droplets in the optimal observation position.

5. Liquid addition system: equipped with high-precision microsamplers and advanced droplet distribution devices, it can achieve micro upgrades or even higher precision droplets, ensuring accurate and consistent droplet volume for each addition.

6. Control system: composed of computers and professional software, the software has functions such as image acquisition, analysis, processing, and instrument control, which can achieve automatic measurement, data recording, report generation and other operations. It can analyze and process the collected images, calculate parameters such as contact angle and surface tension.

7. High measurement accuracy: The contact angle measurement accuracy can usually reach ± 0.1 ° or even higher, and the measurement resolution can reach 0.001 °, which can accurately distinguish the wetting characteristics of different surfaces.

8. High degree of automation: From droplet addition to image acquisition, analysis, and data processing, the entire process can be automated, reducing human interference and improving measurement accuracy and repeatability.

9. Versatile functions: It can not only measure static contact angle, but also dynamic contact angle, such as forward angle, backward angle, rolling angle, etc. Some can also analyze the spreading, penetration, absorption and other behaviors of liquids on solid surfaces, calculate parameters such as solid surface free energy and adhesion work.

10. Wide applicability: It can be applied to various types of solid materials, including flat, curved, powder, etc., and can also meet the measurement needs of different industries, such as materials science, chemical engineering, electronics, biomedical and other fields.

At present, the following industries will use water droplet angle testers after plasma cleaning, spraying, and coating

Materials research: used to study the wettability, surface energy and other properties of material surfaces, guide the research and development of new materials and surface modification 

treatments, such as studying the surface properties of new coatings, films, fibers and other materials.

Electronics industry: Evaluate the cleanliness and solderability of surfaces such as electronic components and circuit boards to ensure the quality of soldering during electronic assembly, 

such as detecting the impact of contaminants on the surface of semiconductor chips on soldering.

Biomedical: Analyze the interactions between biomaterials and biological fluids, such as the biocompatibility of artificial organ surfaces and the release performance of drug carriers, to 

provide a basis for biomedical research and clinical applications.

In the field of chemical engineering: In the research and production of coatings, inks, adhesives and other products, measuring the contact angle of liquids on solid surfaces, optimizing product formulas and processes, improving product performance and quality, such as adjusting the formula of coatings to better adhere to objects. 

The above are the product characteristics and scope of application of water droplet angle measuring instruments. If you want to learn more about this information, you can privately chat with the editor!