Chengkou Liu

Title: **Innovations in Polyurethane Foam by Inventor Chengkou Liu**

Introduction

Chengkou Liu, an accomplished inventor based in Nanjing, China, has made significant contributions to the field of polyurethane foam technology. With a total of three patents to his name, Liu's expertise lies in the preparation methods of both rigid and flexible polyurethane foams. His innovative approaches utilize environmentally friendly materials, making strides in sustainable development within the industry.

Latest Patents

One of Chengkou Liu's notable patents is the **Preparation Method of Rigid Polyurethane Foam**. This method involves several steps, starting with the simultaneous pumping of a mixed solution containing hydrogen peroxide, an organic acid, a catalyst, and a stabilizer into a first microstructured reactor. The resulting reaction produces a solution containing epoxidized vegetable oil. The process continues with additional reactions to yield a vegetable oil polyol, which is then combined with various agents to create rigid polyurethane foam.

Another impressive patent is the **Preparation Method of Flexible Polyurethane Foam**. This method includes a ring-opening reaction of epoxidized vegetable oil, benzoylformic acid, a basic catalyst, and an inert solvent in a microchannel reactor. The resulting vegetable oil polyol is then subjected to an addition polymerization reaction, resulting in a unique polyol used to produce flexible polyurethane foam through a foaming reaction with isocyanate polyol.

Career Highlights

Chengkou Liu currently works at Nanjing Tech University, where he actively contributes to the advancement of polymer science and engineering. His research focuses on developing sustainable materials and methodologies that benefit both the environment and industry applications. Liu's innovative patents highlight his dedication to addressing global challenges through scientific research and invention.

Collaborations

Throughout his career, Liu has collaborated with esteemed colleagues, including Kai Guo and Zheng Fang. Working together, they have propelled research initiatives that focus on innovative applications of polyurethane materials in various industries. Their teamwork underscores the importance of collaboration in advancing scientific discoveries.

Conclusion

Chengkou Liu's work in the realm of polyurethane foams exemplifies the critical role inventors play in driving innovation. With his recent patents and ongoing research, Liu continues to pave the way for sustainable solutions that leverage vegetable oils, promoting environmentally friendly practices in manufacturing. His commitment to innovation and collaboration makes him a notable figure in the field of material science.