AndTech to Host Zoom Webinar on May 29 (Fri): 'Development Trends and Corrosion Resistance Evaluation of Epoxy Resins (Epoxy Lining Materials) and Coating Materials with Corrosion-Proof Performance'

AndTech Co., Ltd. (Headquarters: Kawasaki, Kanagawa; President: Masao Suyama; hereinafter "AndTech"), as part of its R&D support Zoom seminar series, will hold a seminar titled "Epoxy Resin Corrosion Resistance and Anti-Corrosion (Epoxy Lining Materials)" featuring leading experts to address the growing need for solutions in this field.

This seminar will cover the basics of corrosion and evaluation methods, research and development examples of self-healing anti-corrosion coatings using nanofibers, and the penetration behavior of sulfuric acid and organic acids generated in sewage environments into epoxy resins—the representative material for linings—as well as methods for evaluating their corrosion resistance.

This seminar is scheduled for May 29, 2026. Details: https://andtech.co.jp/seminars/1f11de14-b517-6a2e-9dcb-064fb9a95405

Live Streaming/Web Seminar Overview ────────────────── Theme: Development Trends and Corrosion Resistance Evaluation of Epoxy Resins (Epoxy Lining Materials) and Coating Materials with Corrosion-Proof Performance Date and Time: Friday, May 29, 2026, 10:30-15:25 Participation Fee: 55,000 yen (tax included) *Materials will be distributed electronically URL: https://andtech.co.jp/seminars/1f11de14-b517-6a2e-9dcb-064fb9a95405 Web Streaming Format: Zoom (URL will be sent after registration)

Seminar Content Structure ──────────── - Program and Lecturers -

Part 1: Self-Healing Anti-Corrosion Coatings Using Epoxy Resins and Nanofibers Lecturer: Dr. Akihiro Yabuki, Graduate School of Advanced Science and Engineering, Hiroshima University

Part 2: Penetration Behavior of Sulfuric Acid and Organic Acids into Epoxy Linings and Evaluation Methods Lecturer: Dr. Masatoshi Kubouchi, Professor, Institute of Materials and Systems for Sustainability, Institute of Science Tokyo

Part 3: Electrochemical Considerations Regarding the Corrosion Resistance of Reinforcing Steel in Epoxy Resins with Salt-Fixing Capability Lecturer: Dr. Yoshikazu Akira, Associate Professor, Department of Ocean Civil Engineering, Graduate School of Science and Engineering, Kagoshima University

Knowledge and Technical Challenges Addressed in This Seminar ─────────────────────── - Basic mechanisms and occurrence conditions of metal corrosion - Roles and design philosophy of anti-corrosion coatings - Functions of anti-rust pigments and their behavior within polymers - Principles and classification of self-healing coatings - Processes of elution, migration, and film formation of repair components - Concepts of corrosion resistance evaluation methods (electrochemical measurements, accelerated testing, etc.) - R&D examples using nanofibers - Behavior and mechanisms of resin degradation - Behavior and evaluation methods for sulfuric acid degradation - Penetration behavior and evaluation methods for organic acids - Concepts regarding the service life of lining resin materials in sewage environments

Seminar Format ───────────── This is a live-streamed seminar using the web conferencing tool "Zoom." Details will be provided after registration.

About AndTech Co., Ltd. ──────────── We provide R&D support services to clients in a wide range of fields, including chemicals, materials, electronics, automotive, energy, medical devices, food packaging, and construction materials. We offer various services starting with "Technical Seminars," as well as "Lecturer Dispatch," "Publishing," "Consultant Dispatch," "Market Trend Research," "Business Matching," and "Business Development Consulting" by assembling a team of top-tier lecturers. We listen to our clients' voices and provide effective support to help them enter their desired new business areas and markets. https://andtech.co.jp/

AndTech Co., Ltd. Technical Seminar List ───────────────── We hold numerous web seminars by top-tier lecturers every month. https://andtech.co.jp/seminars/search

AndTech Co., Ltd. Book List ────────────── We publish books on high-demand topics selected from a wide range of themes. https://andtech.co.jp/books

AndTech Co., Ltd. Consulting Services ───────────────────── We dispatch highly specialized technical consultants with extensive experience. https://andtech.co.jp/business-consulting

Inquiries Regarding This Matter ───────────── AndTech Co., Ltd. Public Relations: Aoki Email: pr●andtech.co.jp (Please change ● to @)

Full Program Details (Please see below if you are interested in the details) ──────────────────────────────────────────────

Part 1: Self-Healing Anti-Corrosion Coatings Using Epoxy Resins and Nanofibers [Lecture Summary] One of the purposes of coating is to prevent metal corrosion. Anti-corrosion coatings improve corrosion resistance by mixing anti-rust pigments into polymers and prevent scratches caused by mechanical action through hard coatings. However, when defects reach the metal material under the coating, the metal is directly exposed to the environment, leading to corrosion. In this case, self-healing is a powerful means of improving corrosion resistance, where repair components elute from inside the coating, reach the defect, and form an anti-corrosion film, naturally stopping the progression of corrosion. This lecture will introduce the basics of corrosion, evaluation methods, development philosophy, and R&D examples using nanofibers.

[Program] 1. Introduction 1.1 Self-healing materials 1.2 Material degradation prevention technology 2. Corrosion phenomena of metal materials 2.1 Basics of corrosion, anodic reaction, cathodic reaction 2.2 Electrochemical evaluation methods for corrosion 3. What are self-healing anti-corrosion coatings? 3.1 Development philosophy of self-healing anti-corrosion coatings 3.2 Repair agents 3.3 Structure of coatings 3.4 Driving force for repair 4. R&D examples 4.1 Self-healing anti-corrosion coatings using cellulose nanofibers 4.2 Influence of pH within coatings in self-healing anti-corrosion coatings 4.3 Coatings using cellulose nanofibers and superabsorbent polymers 4.4 Molecular simulation 5. Conclusion [Q&A] [Keywords] Corrosion, anti-corrosion, self-healing, coating, nanomaterials, nanofibers [Lecture Highlights] The greatest appeal is that it provides a bird's-eye view from the basics of corrosion to evaluation methods and design philosophy, and specifically demonstrates the cutting-edge research results of "self-healing anti-corrosion coatings" using nanofibers from the perspective of material development and implementation.

Part 2: Penetration Behavior of Sulfuric Acid and Organic Acids into Epoxy Linings and Evaluation Methods [Lecture Summary] In sewage-related facilities, acid-induced degradation of concrete structures is a problem. Linings are used to protect concrete structures from acid, but these materials also require long-term durability. Therefore, this lecture will explain the penetration behavior of sulfuric acid and organic acids generated in sewage environments into epoxy resins, which are representative lining materials, and methods for evaluating their corrosion resistance. While knowledge regarding sulfuric acid degradation has been established, only the fact that degradation phenomena occur is known for organic acid degradation. Here, we will systematically show the phenomenon of organic acid penetrating into the resin based on the results of sulfuric acid, and show the results of evaluating this using two different methods.

[Program] 1. Sulfuric acid degradation of epoxy resins in sewage environments 1.1 Corrosion of concrete in sewage systems 1.2 Evaluation of sulfuric acid penetration rate 1.3 Sulfuric acid-resistant epoxy resins 1.4 Construction of sulfuric acid penetration rate and master curves 2. Organic acid degradation of epoxy resins in sewage environments 2.1 Degradation of lining resins by organic acids 2.2 Evaluation methods for organic acid penetration behavior 2.3 Evaluation of organic acid penetration behavior by alkali marking method 2.4 Evaluation of organic acid penetration behavior by infrared spectroscopy [Q&A] [Keywords] Epoxy resin, corrosion resistance, sulfuric acid degradation, organic acid degradation, sewage environment, corrosion-resistant lining, penetration behavior evaluation [Lecture Highlights] In research on degradation evaluation of organic materials for chemical equipment in chemical environments, we have systematically organized degradation mechanisms based on degradation forms. Here, we will show the results of applying these findings to the degradation of sewage resin linings.

Part 3: Electrochemical Considerations Regarding the Corrosion Resistance of Reinforcing Steel in Epoxy Resins with Salt-Fixing Capability

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