Masaharu Nagahama

Title: Masaharu Nagahama: Innovator in Polymer Chemistry

Introduction

Masaharu Nagahama is a distinguished inventor based in Kanagawa, Japan. He has made significant contributions to the field of polymer chemistry, holding a total of three patents. His innovative work focuses on processes that enhance the production and quality of various polymer emulsions.

Latest Patents

Nagahama's latest patents include a process for preparing a water-in-oil emulsion. This process involves polymerizing at least one water-soluble vinyl monomer in a water-in-oil emulsion, ensuring that the dissolved oxygen concentration remains at about 100 ppb or less during polymerization. This method allows for the desired emulsion to be obtained without the formation of agglomerates. Another notable patent is for producing an acrylamide polymer. This process entails polymerizing acrylamide monomer or a mixture containing at least 50 mole % of acrylamide in the presence of an azo series polymerization initiator and a specific amount of 2-mercaptobenzothiazole in an aqueous medium with a pH of 6 or higher, at temperatures ranging from 5 to 100 degrees Celsius.

Career Highlights

Throughout his career, Nagahama has worked with prominent companies such as Nitto Chemical Industry Co., Ltd. and Mitsubishi Rayon Company, Limited. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and contribute to various innovative projects.

Collaborations

Nagahama has collaborated with notable colleagues, including Shoichi Kanda and Takeshi Narita. These partnerships have further enriched his research and development efforts in the field of polymer science.

Conclusion

Masaharu Nagahama's contributions to polymer chemistry through his patents and collaborations highlight his role as an influential inventor. His innovative processes continue to advance the field and demonstrate the importance of research in developing new materials.