Mechanisms of bubble generation, stability, and collapse, and the optimal formulation of defoamers.

The "forces" of liquids: Various interfacial phenomena such as cleaning, wetting, penetration, foaming, and defoaming are due to the effects of the surface and interfacial tension of liquids.

Liquids are in a state where molecules can move relatively freely. Focusing on the molecules present at the surface (more precisely, the "interface" between the liquid and the atmosphere), intermolecular forces act not only between the molecules on the bulk side but also between the molecules in the atmosphere. However, due to the overwhelmingly high density of the molecules on the bulk side, the molecules present at the surface are constantly being pulled inward (toward the bulk side). As a result, it appears that a tension is acting to contract the surface. This is known as "surface tension" (more precisely, interfacial tension). Our company offers contract measurements for contact angle, surface and interfacial tension, friction and wear analysis, adhesion and film peeling analysis, zeta potential, anti-fogging evaluation, and more. Please feel free to contact us when you need our services. *For more details, please refer to the PDF document or feel free to reach out to us.

• Contract manufacturing
• Other physicochemical equipment
• Contract measurement

A surface tensiometer with significantly improved user interface through computer control.

The DyneMaster series is a surface tension meter that consolidates all the technology, know-how, and applications cultivated over nearly half a century by Kyowa Interface Science Co., Ltd., a specialized manufacturer. With computer control, it significantly enhances the user interface. Packed with a variety of features, it achieves high operability that does not discriminate against the user. 【Product Lineup】 ○ High-Precision Surface Tension Meter DY-700 → An fully automatic surface tension meter that pursues high precision at a practical level to solve various interfacial phenomenon problems. ○ High-Function Surface Tension Meter DY-500 → A reasonably priced fully automatic surface tension meter that also boasts a variety of extensibility beyond just surface tension measurement. ○ Automatic Surface Tension Meter DY-300 → Automatically analyzes surface tension reliably. → A basic automatic surface tension meter. For more details, please contact us or refer to the catalog.

• Other measurement, recording and measuring instruments

An automatic dynamic surface tension meter equipped with a built-in thermostat and thermometer, designed for ease of use.

The automatic dynamic tensiometer BP-D5 is a system that continuously measures dynamic surface tension from the moment the interface is formed by adopting the maximum bubble pressure method. Various controls and measurements are performed using the FAMAS software, which is also well-regarded for contact angle measurements in cooperative interfacial science. 【Features】 ○ Continuous measurement while varying the lifetime (20 to 5,000 ms) → Measurement up to 15,000 ms is possible as an option ○ Dynamic surface tension measurement at a constant lifetime is possible ○ Real-time display function of bubble pressure waveforms and LED strobe lighting function allow for monitoring the state of the bubbles ○ A series of operations from adjusting the probe depth to starting the measurement can be performed with the push of a button ○ During surface tension measurement, the temperature (°C) of the liquid sample can be recorded, allowing for temperature correction of surface tension for liquid samples with known temperature coefficients For more details, please contact us or refer to the catalog.

• Other measurement, recording and measuring instruments

A New Evaluation Method for the Persistence of Liquid Films (Foam Films) Using a Surface Tension Meter: Possibilities for Application in Coating Film Quality Assessment.

A new evaluation method for liquid membranes as an alternative to lamella length measurement has been devised! - Available as an option for the DyneMaster series of surface tension meters. - This evaluation method serves as an effective means for cases where clear differences exist in sensory evaluations, but differences are not easily visible in surface tension or lamella length measurements, making quantitative assessment difficult. - For other features and details, please download the catalog or contact us. *For more information, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing
• Other physicochemical equipment
• Contract measurement

We would like to extend our heartfelt congratulations on the continued prosperity of your esteemed company. Our company will be exhibiting at the following trade show, where we will showcase a variety of products, including new ones. We sincerely invite you to visit us during this busy time. 【 Exhibition Name 】 Automotive Technology Exhibition 2025 YOKOHAMA https://aee.expo-info.jsae.or.jp/ja/yokohama/ (An "online exhibition" will also be held during and around the event period) 【 Dates 】 May 21 (Wednesday) - 23 (Friday), 2024 10:00 AM - 6:00 PM *On the final day, 9:00 AM - 4:00 PM (Online exhibition: May 14 (Wednesday) - June 4 (Wednesday)) 【 Venue 】 Pacifico Yokohama (1-1-1 Minatomirai, Nishi-ku, Yokohama, Kanagawa Prefecture) Our booth number: "Concourse 505"

We would like to extend our heartfelt congratulations on the continued prosperity of your esteemed company. Our company will be exhibiting at the following trade show, where we will showcase a variety of products, including new ones. We sincerely apologize for the inconvenience during your busy schedule, but we would like to invite you to attend this event. 【 Exhibition Name 】 27th INTERPHEX Week Tokyo https://www.interphex.jp/tokyo/ja-jp.html 【 Dates 】 July 9 (Wednesday) - 11 (Friday), 2025 10:00 AM - 5:00 PM 【 Venue 】 Tokyo Big Sight (3-11-1 Ariake, Koto-ku, Tokyo 135-0063)

Nakakin will be exhibiting at 'FOOMA JAPAN 2026 (International Food Industry Exhibition)' held at Tokyo Big Sight. This exhibition proposes "A rich future opened by food technology" through cutting-edge technology, products, and services in food machinery, amidst growing interest in "food safety and security." We aim to facilitate the exchange and dissemination of technology and information related to food machinery, equipment, and associated devices, contributing to the further development of the food industry. We sincerely look forward to your visit.

[Speaker] Academic Visitor, University of Strathclyde, UK Visiting Professor, Offshore Wind Research and Education Center, Kyushu University Senior Researcher, Institute for Sustainable Energy Policies (ISEP) Mr. Yo Yasuda [Lecture Topics] 1. International Trends in Decarbonization and Japan's Position (1) Risks of Fossil Fuel Dependence and Decarbonization as Risk Management (2) Discussions on Decarbonization and Renewable Energy in International Organizations (3) Discussions on Decarbonization and Renewable Energy in Japan (4) Discrepancies Between International and Domestic Discussions (The U.S. is not the world) 2. International Discussions on Large-Scale Introduction of Renewable Energy (1) Electrification and Sector Coupling (Why are EVs and Heat Pumps Advancing?) (2) Externalities and Benefits (Long-Term Perspective and Risk Management) (3) Flexibility (The notion that "renewable energy is unstable" is outdated) 3. Challenges and Solutions for Japan, Methodology for Information Gathering (1) Fake News and Scientific Methodology (2) Non-Scientific Narratives and Evidence-Based Policy Making (EBMP) (3) AI and Specialized Information Retrieval 4. Q&A / Business Card Exchange *Reference: "The Future of 90% Renewable Energy by 2050 - Scenarios and Scientific Basis for Achieving Decarbonization" by Yo Yasuda, Yamato Keikokusha (December 2024)

[Speaker] Akira Yamauchi, President and CEO of Intellectual Property Landscape Co., Ltd. Patent Attorney, AIPE Certified Senior Intellectual Property Analyst [Lecture Topics] 1. What is Physical AI? [1] Industrial Robots [2] Humanoids [3] Autonomous Vehicles as the main fields Overview of the population setting for the three fields and the key players in each field 2. [1] Industrial Robot Analysis 3. [2] Humanoid Analysis 4. [3] Autonomous Vehicle Analysis 5. Summary and Discussion of the Analysis Results for the Three Fields 6. Q&A Session