Company Filing History:
Years Active: 1983
Title: The Innovative Contributions of Funio Tsutsumi
Introduction: Funio Tsutsumi, based in Yokkaichi, Japan, is a noted inventor associated with a significant advancement in the field of synthetic rubber. His work has contributed to the development of materials that possess enhanced properties and performance.
Latest Patents: Tsutsumi holds a patent for a styrene-butadiene random copolymer and the process for its production. This innovative copolymer boasts an impressive average vinyl content of at least 70%, a breadth of distribution of vinyl contents equal to or greater than 20%, and a Mooney viscosity ranging from 10 to 150. The styrene content of the copolymer is maintained between 3 to 30% by weight. The copolymer is synthesized by copolymerizing styrene and butadiene in a hydrocarbon solvent using an organolithium initiator and a Lewis base, potentially incorporating an anionic surfactant under temperature-raising conditions. These copolymers are recognized for their low rolling resistance and high wet skid resistance, making them valuable in various applications.
Career Highlights: Funio Tsutsumi is associated with Japan Synthetic Rubber Co., Ltd., where he further enhances the company's innovative capabilities. His dedication to research and development has resulted in noteworthy advancements that benefit the synthetic rubber industry.
Collaborations: Throughout his career, Tsutsumi has collaborated with esteemed colleagues such as Yasumasa Takeuchi and Noboru Ohshima. Their teamwork has been instrumental in driving forward innovative solutions and addressing challenges in the production of synthetic materials.
Conclusion: Funio Tsutsumi stands out as a distinguished inventor whose contributions through his patent on styrene-butadiene random copolymers have made a significant impact on the industry. His collaborative spirit and commitment to innovation continue to inspire advancements in synthetic rubber applications.