Company Filing History:
Years Active: 2019-2022
Title: **Innovative Contributions of Nobutaka Hiraoka**
Introduction
Nobutaka Hiraoka, an inventive mind hailing from Tainai, Japan, has made significant strides in the field of materials science. With a total of two patents to his name, Hiraoka is recognized for his work in developing advanced methacrylic resin compositions and copolymers that exhibit remarkable properties for practical applications.
Latest Patents
Hiraoka's latest inventions include a methacrylic resin composition and a break-resistant copolymer. The methacrylic resin composition comprises 100 parts by mass of a specific methacrylic resin with a terminal double bond amounting to less than 0.012% by mole and a bonded sulfur atom content of preferably less than 0.25% by mole. This composition incorporates a metal element, notably lithium or aluminum, and a hindered phenol antioxidant which enhances its thermostability. When subjected to a nitrogen gas atmosphere at 290°C for 15 minutes, this innovative material achieves a thermogravimetric retention of not less than 98% by mass.
Additionally, Hiraoka has developed a copolymer that boasts high transparency, exceptional heat resistance, and significant tensile strength. This copolymer is formed with 80% to 98% by mass of structural units derived from a methacrylic ester monomer alongside 2% to 10% by mass of units from a cyclic ketene acetal monomer. With a weight average molecular weight of 80,000 or more and a molecular weight distribution ranging from 1.75 to 3.80, this material stands out in the realm of molded articles.
Career Highlights
Nobutaka Hiraoka has dedicated his career to research and development in the innovative fields of polymer chemistry and material sciences, primarily working with Kuraray Co., Ltd. His focus on creating resilient and thermally efficient materials has cemented his reputation as a notable inventor in his field.
Collaborations
Hiraoka has collaborated with esteemed colleagues, including Atsuhiro Nakahara and Toru Abe, to advance the frontiers of polymer materials. Their combined efforts have led to the development of cutting-edge solutions that address various industrial needs.
Conclusion
In summary, Nobutaka Hiraoka's contributions to the field of materials science through his patents highlight his commitment to innovation and excellence. His groundbreaking work with methacrylic resin compositions and copolymers represents a significant advancement in the industry, showcasing the potential of new materials to meet modern technological demands.