Location History:
- Ibaraki, JA (1977)
- Ibaraki, JP (1979)
Company Filing History:
Years Active: 1977-1979
Title: Shigetoshi Kai: Innovator in Pressure-Sensitive Adhesive Technology
Introduction
Shigetoshi Kai is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of adhesive technology, particularly in the development of pressure-sensitive adhesive compositions. With a total of 2 patents to his name, his work has had a considerable impact on various applications in the industry.
Latest Patents
Shigetoshi Kai's latest patents focus on innovative pressure-sensitive adhesive compositions. The first patent describes a composition that includes a liquid diene polymer with an average of about 2.0 to about 2.5 functional groups capable of reacting with isocyanate groups. This composition also incorporates an isocyanate compound with two or more isocyanate groups and a tackifier. An anionic surface active agent is added in a specific weight ratio to enhance the adhesive properties. This formulation is designed to be coated on a support and heated to create a pressure-sensitive adhesive layer, suitable for producing pressure-sensitive adhesive tapes.
The second patent also revolves around a pressure-sensitive adhesive composition, which includes a liquid diene polymer and an isocyanate compound. This formulation features a tackifier with at least one polar group, such as --COOH, --OH, or --CH.sub.2 OH. The isocyanate compound is present in a calculated amount to ensure optimal reactivity with the functional groups of the liquid diene polymer. Similar to the first patent, this composition is intended to be coated on a support and heated to form a pressure-sensitive adhesive layer.
Career Highlights
Shigetoshi Kai is currently associated with Nitto Electric Industrial Co., Ltd., a company known for its innovative adhesive solutions. His work at Nitto has allowed him to explore and develop advanced adhesive technologies that meet the evolving needs of various industries.
Collaborations
Throughout his career, Shigetoshi has collaborated with notable colleagues, including Ichiro Ijichi and Hikaru Teranishi. These collaborations have contributed to the advancement of adhesive technology and have fostered a creative environment for innovation.
Conclusion
Shigetoshi Kai's contributions to pressure-sensitive adhesive technology exemplify his dedication to innovation in the field. His patents reflect a deep understanding of material science and a commitment to developing effective adhesive solutions. His work continues to influence