Masao Onozuka

Title: **Innovative Contributions of Masao Onozuka in Adhesive Technologies**

Introduction

Masao Onozuka, an accomplished inventor based in Itoigawa, Japan, has made notable advancements in the field of adhesive technologies. With a focus on the development of chloroprene rubber latex adhesive compositions, his work has led to improved bonding materials valuable for various industrial applications.

Latest Patents

Onozuka holds two patents, showcasing his innovative prowess. His latest creations include:

1. **Chloroprene Rubber Latex Adhesive Composition**: This composition is superior in initial adhesive strength and normal adhesive strength, alongside thermal creep resistance with adherents. It consists of a carboxy-modified chloroprene-based copolymer latex combined with a chloroprene-based polymer latex and a chlorinated polyolefin resin emulsion, with a solid content ratio between the copolymers maintained at 80:20 to 20:80.

2. **Latex Composition and One-Pack Type Aqueous Adhesive**: This invention showcases exceptional storage stability and spray coating characteristics, resulting in a soft adhesive layer post-drying. It consists of a chloroprene-based polymer latex and an acrylic polymer latex formulated with specific components to maintain performance. Additionally, a pH regulator is included to enhance stability and functionality.

Career Highlights

Masao Onozuka is currently associated with Denka Company Limited, where he continues to push the boundaries of adhesive technology. His inventions, particularly centered around latex compositions, have had a significant impact on the adhesive industry, contributing to enhanced product performance and application versatility.

Collaborations

Throughout his career, Onozuka has collaborated with prominent colleagues, including Gaito Kiyofuji and Shogo Hagiwara. These collaborations have fostered innovative solutions and contributed to the advancement of adhesive technologies within the company.

Conclusion

Masao Onozuka’s contributions to the field of adhesive compositions highlight his inventive spirit and commitment to innovation. His patents signify a remarkable journey in sustainable and efficient adhesive solutions, positioning him as a key figure in this technological domain. His work not only exemplifies individual creativity but also strengthens the foundation for future advancements in adhesive materials.