Masashi Kurokawa

Title: Masashi Kurokawa: Innovator in Polyamide Resin Technology

Introduction

Masashi Kurokawa is an esteemed inventor based in Kanagawa, Japan, recognized for his significant contributions to polyamide resin technology. With a remarkable 13 patents to his name, Kurokawa has played a pivotal role in advancing materials engineered for enhanced mechanical strength and functionality.

Latest Patents

Kurokawa’s latest patents reflect his innovative spirit and commitment to overcoming material limitations. One of his notable inventions is a xylylenesebacamide resin molding that excels in mechanical strength, including elastic modulus, while addressing the challenge of mechanical strength loss during prolonged use. This new molding composition comprises a polyamide resin or a polyamide resin composition, where at least 70 mol % of the diamine structural unit is derived from xylylenediamine and at least 50 mol % from sebacic acid. Its crystallinity index ranges between 0 to 50%, with moisture content ideal at 0.1 to 2% by mass.

Another key patent by Kurokawa is a polyamide resin boasting superior color tone and elastic modulus. This invention also demonstrates excellent gas barrier properties and low water absorption. The unique formulation includes a diamine structural unit and a dicarboxylic acid structural unit, notably comprising 70 mol % or more from xylylenediamine and/or bis(aminomethyl)cyclohexane, along with 50 mol % or more derived from sebacic acid. A defining characteristic of this resin is its sulfur atom concentration, measured between 1 to 200 ppm by mass.

Career Highlights

Kurokawa’s career features notable tenures at leading companies such as Mitsubishi Gas Chemical Company, Inc. and Renesas Electronics Corporation. His work at these institutions has allowed him to spearhead innovative projects that emphasize the importance of material science in industrial applications.

Collaborations

Throughout his career, Kurokawa has collaborated with esteemed colleagues, including Jun Mitadera and Kazunobu Maruo. These partnerships have fostered an environment of innovation and creativity, enabling the development of advanced resin technologies that meet the evolving demands of various industries.

Conclusion

In conclusion, Masashi Kurokawa stands out as a pivotal figure in the realm of polyamide resin innovations. His 13 patents attest to his expertise and dedication to creating materials that enhance mechanical properties and performance. As industries continue to seek better solutions for engineering challenges, Kurokawa’s contributions are sure to resonate within the scientific community and beyond.