Takenori Shige

Title: Innovations of Takenori Shige in Polyvinyl Alcohol-Based Resins

Introduction

Takenori Shige is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of polyvinyl alcohol-based resins. His innovative work has led to advancements that enhance the properties and applications of these materials.

Latest Patents

Takenori Shige holds a patent for a polyvinyl alcohol-based resin, which includes a method for producing this resin, as well as a dispersant for suspension polymerization. The objective of his invention is to provide a PVA-based resin with a degree of saponification obtained in the middle stage of the reaction. This resin has an average degree of saponification ranging from 68 mol % to 85 mol %, a narrow degree of saponification distribution, and excellent dispersion stability. The invention is characterized by a ¼ value width of 7.0 minutes or less in the degree of saponification distribution, measured under specific conditions using high-performance liquid chromatography.

Career Highlights

Takenori Shige is associated with Mitsubishi Chemical Corporation, where he has been able to apply his expertise in polymer science. His work has not only contributed to the company's portfolio but has also advanced the understanding of polyvinyl alcohol-based materials in various applications.

Collaborations

One of his notable collaborators is Tadashi Murakami, with whom he has worked on various projects related to polymer chemistry and resin development.

Conclusion

Takenori Shige's contributions to the field of polyvinyl alcohol-based resins exemplify the importance of innovation in material science. His patent reflects a significant advancement in the properties of these resins, showcasing his expertise and commitment to enhancing polymer applications.