Company Filing History:
2 out of 2 
1 out of 1 Years Active: 2018
Title: Yongjun Jiao: Innovator in Membrane Technology
Introduction
Yongjun Jiao is a prominent inventor based in Tianjin, China, known for his contributions to membrane technology. He holds three patents that showcase his innovative approach to materials science, particularly in the development of advanced membranes for various applications.
Latest Patents
One of his latest patents is for a microporous membrane of polyethylene-based composite material. This invention includes high-density and high-crystallinity polyethylene as a base material, modified by a modifying agent that accounts for 10-25 wt. % of the membrane. The modifying agent consists of a moderate molecular weight rubber selected from polyisobutylene (PIB), ethylene-propylene methylene copolymer (EPM), or a mixture thereof. The rubber has a dynamic viscosity of between 50 and 2000 Pa·S at 100°C and a weight average molecular weight of between 90,000 and 250,000. The modified polyethylene is dissolved in a solvent along with a pore-forming agent to facilitate pore formation.
Another significant patent involves a coated separator with compressible elasticity, thermal shutdown, and high-temperature resistance. This lithium-ion battery separator consists of a polyethylene micro-porous substrate and a micro-porous coating formed from a mixture of pre-crosslinked rubber particles and ceramic fine powder composite materials. The separator exhibits excellent compressible elasticity, thermal shutdown capabilities, low heat shrinkage, and high-temperature membrane rupture resistance.
Career Highlights
Yongjun Jiao has worked with notable companies such as Tianjin DG Membrane Co., Ltd. and Tianjin DG Membrane Technology Co., Ltd. His work in these organizations has significantly advanced the field of membrane technology, contributing to the development of innovative solutions for various industrial applications.
Collaborations
Throughout his career, Yongjun has collaborated with talented individuals, including Xin Li and Jianhua Li. These collaborations have fostered a creative environment that has led to the successful development of his patented technologies.
Conclusion
Yongjun Jiao's innovative work in membrane technology has made a significant impact in the field. His patents reflect a deep understanding of materials science and a commitment to advancing technology for practical applications. His contributions continue to influence the industry and inspire future innovations.