Caiyun Li

Title: Innovations of Inventor Caiyun Li

Introduction

Caiyun Li is a prominent inventor based in Shanghai, China. She has made significant contributions to the field of materials science, particularly in the development of eco-friendly leather treatments. With a total of 3 patents, her work focuses on innovative methods that enhance the properties of leather while minimizing environmental impact.

Latest Patents

One of her latest patents is titled "Chrome-free leather retanning." This invention outlines a method for forming chrome-free retanned leather. The process involves contacting wet white (chrome-free tanned hide) with a retanning mixture that includes an amphoteric polymer composition. This composition comprises amine functional units and acid functional units, with a concentration ranging from 2% to 15% by solids weight based on the wet weight of the wet white. Additionally, the method includes applying a polymeric overcoat containing an acrylic copolymer with one or more metal transition elements, ensuring a thickness of no greater than 100 microns. The invention also provides a chrome-free retanned leather formed by this method.

Another notable patent is for an "Aqueous coating composition and method of preparing the same." This invention presents an aqueous coating composition that results in coatings with balanced flexibility and anti-tacky properties. The method of preparing this aqueous coating composition is also detailed, showcasing her innovative approach to material development.

Career Highlights

Caiyun Li has worked with several reputable companies throughout her career. Notably, she has been associated with Rohm and Haas Company and Dow Global Technologies LLC. Her experience in these organizations has allowed her to refine her skills and contribute to significant advancements in her field.

Collaborations

Throughout her career, Caiyun has collaborated with talented individuals, including Fu Chun Zhan and Yaobang Li. These collaborations have fostered a creative environment that has led to the development of her innovative patents.

Conclusion

Caiyun Li's contributions to the field of materials science, particularly in eco-friendly leather treatments, highlight her innovative spirit and dedication to sustainability. Her patents reflect a commitment to advancing technology while considering environmental impacts.