Location History:
- Hangzhou, CN (2018 - 2023)
- Zhejiang, CN (2015 - 2024)
Company Filing History:
4 out of 1,089 
3 out of 3 
3 out of 118 
Years Active: 2015-2025
Title: Innovations and Contributions of Inventor Hua Lei
Introduction
Hua Lei is a prominent inventor based in Hangzhou, China, known for his significant contributions to the field of materials science. With a total of nine patents to his name, he has made remarkable advancements in the development of flame retardant materials.
Latest Patents
Hua Lei's latest patents include an aluminum phosphite-based complex with dual-peak thermal gravity decomposition characteristics. This complex is characterized by a structural formula of ((HPO)Al)·((HPO)Al), where x represents a molar ratio of (HPO)Al to (HPO)Al ranging from 0.01 to 0.5. The dual-peak thermal gravity decomposition characteristics feature a first gravity peak temperature of 460-490° C. and a second gravity peak temperature of 550-580° C. The preparation method involves uniformly mixing aluminum phosphite and aluminum hydrogen phosphite, followed by stepwise heating to obtain the desired complex. This innovation serves as a flame retardant or a flame-retardant synergist. Another notable patent is the crystalline aluminum phosphite, which has a high thermal decomposition temperature and excellent flame retardant properties. The preparation method includes dissolving phosphorous acid and hydrogen phosphite in water, followed by a reaction with concentrated phosphoric acid at elevated temperatures.
Career Highlights
Hua Lei has worked with esteemed institutions such as Zhejiang University and Jiangsu Liside New Material Co., Ltd. His work has significantly impacted the development of advanced materials with enhanced safety features.
Collaborations
Hua Lei has collaborated with notable colleagues, including Jin Wang and Jinzhong Li, contributing to various research projects and innovations in the field.
Conclusion
Hua Lei's innovative work in the development of flame retardant materials showcases his expertise and dedication to advancing materials science. His contributions continue to influence the industry and promote safety in various applications.