Zefeng Song

Title: Zefeng Song: Innovator in Polyurethane Technology

Introduction

Zefeng Song is a notable inventor based in Shandong, China. He has made significant contributions to the field of polyurethane technology, particularly through his innovative patent. His work focuses on creating aqueous dispersions that enhance adhesive properties while maintaining stability over time.

Latest Patents

Zefeng Song holds a patent titled "Aqueous dispersion comprising polyurethane or polyurethane-urea, preparation method therefor and use thereof." This invention involves a unique preparation method for polyurethane or polyurethane-urea by reacting various raw materials. The components include a compound with a tertiary amine group, a polyester polyol, an organic compound with isocyanate groups, and hydrophilic compounds. The resulting aqueous dispersion is designed to be stably stored for extended periods and provides improved hydrolysis resistance, bonding strength, and heat resistance in adhesives.

Career Highlights

Throughout his career, Zefeng Song has worked with prominent companies in the chemical industry. He has been associated with Wanhua Chemical Group Co., Ltd. and Wanhua Chemical (Ningbo) Co., Ltd. His experience in these organizations has contributed to his expertise in polyurethane technology and innovation.

Collaborations

Zefeng Song has collaborated with notable professionals in his field, including Yongjian Sun and Xueshun Ji. These collaborations have likely enriched his research and development efforts, leading to advancements in adhesive technologies.

Conclusion

Zefeng Song is a distinguished inventor whose work in polyurethane technology has led to significant advancements in adhesive formulations. His innovative patent demonstrates his commitment to improving product performance and stability.