Kiyoto Doi

Title: Kiyoto Doi: Innovator in Isocyanate Resin Compositions

Introduction

Kiyoto Doi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of resin compositions, particularly focusing on isocyanate-based materials. With a total of 3 patents to his name, Doi's work has implications for various adhesive and coating applications.

Latest Patents

Doi's latest patents revolve around innovative isocyanate resin compositions. One of his key inventions is a resin composition that includes a graft copolymer with at least one isocyanate group and a number-average molecular weight ranging from 10,000 to 20,000. This composition also incorporates a high-molecular-weight polymer with similar isocyanate characteristics and a low-molecular-weight polymer, which may or may not contain an isocyanate group. The resulting resin exhibits tackiness at ordinary temperatures and boasts a long pot life. This technology is particularly useful for reactive hot melt type adhesives, which can eliminate the need for a hot press process, as well as for reactive hot melt type pressure-sensitive adhesives and coating materials.

Career Highlights

Kiyoto Doi is currently employed at Mitsui Toatsu Chemicals, Incorporated, where he continues to develop innovative materials. His work has positioned him as a key figure in the advancement of adhesive technologies.

Collaborations

Doi has collaborated with notable colleagues such as Eiichi Kawasaki and Tadashi Kitamura, contributing to the development of cutting-edge resin compositions.

Conclusion

Kiyoto Doi's contributions to isocyanate resin compositions highlight his innovative spirit and dedication to advancing adhesive technologies. His patents reflect a commitment to creating materials that enhance performance in various applications.