Hirofumi Bandoh

Title: Hirofumi Bandoh: Innovator in Cement Dispersants

Introduction

Hirofumi Bandoh is a notable inventor based in Chigasaki, Japan. He has made significant contributions to the field of construction materials, particularly through his innovative work on cement dispersants.

Latest Patents

Hirofumi Bandoh holds a patent for a superior cement dispersant and a concrete composition containing this dispersant. The patent describes a water-soluble amphoteric copolymer that includes an alkylene oxide adduct of a polyamide polyamine with an unsaturated group, along with at least two types of polyalkylene glycol ester. This unique formulation enhances the dispersion performance of cement over time and effectively reduces the viscosity of concrete. The essential component of the cement dispersant composition is a water-soluble amphoteric copolymer or its neutralized salt, which is produced by copolymerizing various chemical compounds.

Career Highlights

Throughout his career, Hirofumi Bandoh has worked with prominent companies in the industry, including Sika Corporation and Toho Chemical Industry Co., Ltd. His expertise in cement dispersants has positioned him as a valuable asset in the field of construction materials.

Collaborations

Hirofumi has collaborated with notable professionals such as Wernher M Danzinger and Jun Imamura, further enhancing his contributions to the industry.

Conclusion

Hirofumi Bandoh's innovative work in cement dispersants has made a significant impact on the construction materials sector. His patent reflects a commitment to improving concrete performance, showcasing his expertise and dedication to innovation.