Toshie Okubo

Title: Innovations of Toshie Okubo in Polymer Chemistry

Introduction

Toshie Okubo is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of polymer chemistry, particularly in the development of advanced materials for inkjet printing applications. With a total of 2 patents, her work focuses on creating environmentally friendly and high-performance polymer emulsions.

Latest Patents

Toshie Okubo's latest patents include the development of an A-B block copolymer and a polymer emulsion designed for water-based inkjet inks. The A-B block copolymer enables the preparation of a polymer emulsion that serves as a binder component for aqueous inkjet inks. This innovation enhances inkjet printability and results in a printed film with excellent durability, including adhesiveness and rub resistance on substrates like polyolefin-based plastic films. The copolymer meets specific requirements, including a high mass percentage of methacrylate-based monomers and distinct constituent units derived from various methacrylate compounds.

Another notable patent involves an aqueous pigment dispersion liquid aimed at producing environmentally conscious aqueous inkjet inks. This dispersion ensures that pigments are finely and stably dispersed, leading to images with outstanding durability, glossiness, color developability, and adhesiveness to various printing substrates. The formulation includes a polymeric dispersant that contains units derived from acrylic acid and biological materials, ensuring a sustainable approach to ink production.

Career Highlights

Toshie Okubo is currently employed at Dainichiseika Color & Chemicals Mfg. Co., Ltd. Her work at this company has allowed her to focus on innovative solutions in the field of color and chemical manufacturing. Her expertise in polymer chemistry has positioned her as a key player in developing new materials that meet the demands of modern printing technologies.

Collaborations

Throughout her career, Toshie has collaborated with notable colleagues, including Hiroyuki Shimanaka and Jun Kamabayashi. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies in polymer applications.

Conclusion

Toshie Okubo's contributions to polymer chemistry and inkjet technology highlight her innovative spirit and commitment to sustainability. Her patents reflect a deep understanding of material science and a dedication to advancing the field. Through her work, she continues to influence the future of environmentally friendly printing solutions.