Li Chung Chang

Title: Innovations of Li Chung Chang in Radiation Curable Polyurethane

Introduction

Li Chung Chang is an accomplished inventor based in Taoyuan, Taiwan. He has made significant contributions to the field of radiation curable materials, particularly in the development of polyurethane compositions. His innovative work has led to the creation of a unique polyurethane that has various applications in the industry.

Latest Patents

Li Chung Chang holds a patent for a "Radiation curable and developable polyurethane and radiation curable and developable photo resist composition containing the same." This invention is characterized by a polyurethane that includes a carboxy group in its main chain and an acryloyl group in its side chain. The polyurethane comprises specific repeat units arranged randomly, with a molecular weight ranging from 3,000 to 400,000 and an acid value between 5 to 120 mgKOH/g. This innovative composition has potential applications in various fields, showcasing the versatility of radiation curable materials.

Career Highlights

Li Chung Chang is associated with Agi Corporation, where he continues to push the boundaries of innovation in material science. His work has not only contributed to the advancement of polyurethane technology but has also positioned him as a key figure in the industry.

Collaborations

Li Chung Chang collaborates with talented individuals such as Wei Hsiang Huang and Ying Jen Chen, who contribute to the innovative environment at Agi Corporation. Their combined expertise fosters a culture of creativity and advancement in their projects.

Conclusion

Li Chung Chang's contributions to the field of radiation curable polyurethane highlight his innovative spirit and dedication to advancing material science. His patent and collaborative efforts reflect the importance of teamwork in achieving groundbreaking results.