Naonori Higashimoto

Title: **Naonori Higashimoto: Innovator in Water-Absorbent Polymers**

Introduction

Naonori Higashimoto is a notable inventor based in Tokyo, Japan, recognized for his contributions to the field of polymer science. With a focus on water-absorbent polymers, Higashimoto has developed an innovative approach to enhancing the properties of these materials, making significant strides in both functionality and manufacturing processes.

Latest Patents

Higashimoto holds a patent for a water-absorbent polymer and the process for producing the same. His patented invention outlines a water-absorbing resin that features a polymer molecular chain consisting of at least 50 mol % of repeating units that contain carboxy groups. The central part of the resin achieves a carboxy group neutralization ratio of 60 mol % or more, while the external surface maintains a ratio of 50 mol % or less. The production method involves polymerizing a monomer solution, which includes an alkali metal salt of an unsaturated carboxylic acid and an ammonium salt, where the ammonium salt constitutes more than 50 mol % of the mixture. Additionally, a condensation crosslinking agent is incorporated, followed by drying and heat-treating the resulting polymer.

Career Highlights

Higashimoto is affiliated with Asahi Kasei Chemicals Corporation, a prominent company known for its advanced chemical products and innovative approaches in materials science. His work has focused on enhancing the performance of water-absorbing materials, which have a variety of applications, including in agriculture, hygiene products, and environmental technologies.

Collaborations

Throughout his career, Higashimoto has collaborated with fellow researchers and inventors, including Tsutomu Nakagawa, to further advance the development of conductive polymers and related materials. Their joint efforts have contributed to a deeper understanding of polymer chemistry and its practical applications.

Conclusion

Naonori Higashimoto’s innovative work in the field of water-absorbent polymers highlights the significance of scientific research and innovation in addressing real-world challenges. His dedication to enhancing polymer properties continues to open new avenues for applications, making a lasting impact on the industry and contributing to advancements in material sciences.