Location History:
- Changzhou, CN (2015 - 2023)
- Zhangzhou, CN (2023)
- Jiangsu, CN (2020 - 2024)
Company Filing History:
Years Active: 2015-2024
Title: Innovations of Hongjun Yang
Introduction
Hongjun Yang is a prominent inventor based in Changzhou, China. He has made significant contributions to the field of polymer chemistry, holding a total of 8 patents. His work focuses on developing environmentally friendly materials and processes that enhance the efficiency of polymer production.
Latest Patents
One of his latest patents is for an itaconic acid-based multifunctional surfactant and its preparation method. This invention relates to a polymerizable surfactant with reducibility, which is synthesized through a reaction between an acid anhydride and a long-chain fatty alcohol. The resulting surfactant serves as a reactive emulsifier, enabling the creation of soap-free emulsions and facilitating redox emulsion polymerization at room temperature. This innovation significantly reduces energy consumption during production and results in environmentally friendly emulsions with excellent properties.
Another notable patent involves a process for preparing ultra-high molecular weight polymers via emulsion polymerization at room temperature. This method utilizes persulfate as an initiator and anionic surfactants as emulsifiers, allowing for the production of polymers with weight average molecular weights exceeding 1,000,000 g/mol. The process is efficient, achieving high monomer conversion rates without the need for additional initiators or controlled reaction conditions.
Career Highlights
Hongjun Yang is affiliated with Changzhou University, where he continues to advance research in polymer science. His innovative approaches have garnered attention in the academic and industrial sectors, contributing to the development of sustainable materials.
Collaborations
He collaborates with notable colleagues, including Bibiao Jiang and Wenyan Huang, to further enhance research outcomes and explore new avenues in polymer technology.
Conclusion
Hongjun Yang's contributions to polymer chemistry through his patents and research at Changzhou University highlight his commitment to innovation and sustainability. His work not only advances scientific knowledge but also promotes environmentally friendly practices in the industry.