Company Filing History:
Years Active: 1982-1990
Title: Innovative Contributions of Shiro Yasukawa in Polymer Technology
Introduction: Shiro Yasukawa, an accomplished inventor based in Yokkaichi, Japan, has made significant strides in the field of polymer technology. With a total of two patents to his name, Yasukawa's work focuses on creating highly functional polymer particles that can be effectively utilized across various applications.
Latest Patents: Yasukawa's latest patents include groundbreaking innovations in the production of highly crosslinked polymer particles. His first patent details a method for producing these particles, which may be porous and consist primarily of a non-hydrophilic polymer. The process involves adding a polymerizable monomer mixture, containing at least 20% by weight of a specific non-hydrophilic, crosslinking polyvinyl monomer, to an aqueous dispersion of non-crosslinked, low molecular weight polymer particles. This mixture undergoes radical emulsion polymerization with stirring, resulting in a high-performance material.
In his second patent, Yasukawa describes polymer particles comprising ethylenically unsaturated monomers. This innovative composition consists of polymer particles made up of 96 to 100% by weight of at least one ethylenically unsaturated monomer, while incorporating an additional co-polymer that features a conjugated diolefin. The localized polymer part of these particles is highly reactive, allowing for easy modification with various monomers and functional groups. As a result, these particles serve as elemental materials with high functionality for a range of applications.
Career Highlights: Shiro Yasukawa's career at Japan Synthetic Rubber Co., Ltd. has been marked by his dedication to advancing polymer science. His expertise in polymer chemistry has not only led to innovative products but has also fostered a collaborative environment that encourages creative solutions within the field.
Collaborations: Throughout his career, Yasukawa has worked alongside notable colleagues, including Yoshiyuki Ishibashi and Eijiro Tagami. Their collective expertise and teamwork have played a crucial role in the development of cutting-edge polymer technologies, enhancing the capabilities and applications of synthetic rubber.
Conclusion: Shiro Yasukawa's contributions to polymer technology exemplify the spirit of innovation. His patents reflect a commitment to advancing material science, with promising implications for various industries. As a member of Japan Synthetic Rubber Co., Ltd., his work continues to inspire future advancements in the field.